diff --git a/apct-tests/perftests/core/src/android/libcore/regression/IdnPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/IdnPerfTest.java
new file mode 100644
index 0000000000000..c60930f99682b
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/IdnPerfTest.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.net.IDN;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class IdnPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Test
+    public void timeToUnicode() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            IDN.toASCII("fass.de");
+            IDN.toASCII("faß.de");
+            IDN.toASCII("fäß.de");
+            IDN.toASCII("a\u200Cb");
+            IDN.toASCII("öbb.at");
+            IDN.toASCII("abc・日本.co.jp");
+            IDN.toASCII("日本.co.jp");
+            IDN.toASCII("x\u0327\u0301.de");
+            IDN.toASCII("σόλοσ.gr");
+        }
+    }
+
+    @Test
+    public void timeToAscii() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            IDN.toUnicode("xn--fss-qla.de");
+            IDN.toUnicode("xn--n00d.com");
+            IDN.toUnicode("xn--bb-eka.at");
+            IDN.toUnicode("xn--og-09a.de");
+            IDN.toUnicode("xn--53h.de");
+            IDN.toUnicode("xn--iny-zx5a.de");
+            IDN.toUnicode("xn--abc-rs4b422ycvb.co.jp");
+            IDN.toUnicode("xn--wgv71a.co.jp");
+            IDN.toUnicode("xn--x-xbb7i.de");
+            IDN.toUnicode("xn--wxaikc6b.gr");
+            IDN.toUnicode("xn--wxaikc6b.xn--gr-gtd9a1b0g.de");
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/IntConstantDivisionPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/IntConstantDivisionPerfTest.java
new file mode 100644
index 0000000000000..abcc972b0ac36
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/IntConstantDivisionPerfTest.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class IntConstantDivisionPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Test
+    public void timeDivideIntByConstant2() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result /= 2;
+        }
+    }
+
+    @Test
+    public void timeDivideIntByConstant8() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result /= 8;
+        }
+    }
+
+    @Test
+    public void timeDivideIntByConstant10() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result /= 10;
+        }
+    }
+
+    @Test
+    public void timeDivideIntByConstant100() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result /= 100;
+        }
+    }
+
+    @Test
+    public void timeDivideIntByConstant100_HandOptimized() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = (int) ((0x51eb851fL * result) >>> 37);
+        }
+    }
+
+    @Test
+    public void timeDivideIntByConstant2048() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result /= 2048;
+        }
+    }
+
+    @Test
+    public void timeDivideIntByVariable2() {
+        int result = 1;
+        int factor = 2;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result /= factor;
+        }
+    }
+
+    @Test
+    public void timeDivideIntByVariable10() {
+        int result = 1;
+        int factor = 10;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result /= factor;
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/IntConstantMultiplicationPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/IntConstantMultiplicationPerfTest.java
new file mode 100644
index 0000000000000..c9f06166e33b7
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/IntConstantMultiplicationPerfTest.java
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class IntConstantMultiplicationPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Test
+    public void timeMultiplyIntByConstant6() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result *= 6;
+        }
+    }
+
+    @Test
+    public void timeMultiplyIntByConstant7() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result *= 7;
+        }
+    }
+
+    @Test
+    public void timeMultiplyIntByConstant8() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result *= 8;
+        }
+    }
+
+    @Test
+    public void timeMultiplyIntByConstant8_Shift() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result <<= 3;
+        }
+    }
+
+    @Test
+    public void timeMultiplyIntByConstant10() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result *= 10;
+        }
+    }
+
+    @Test
+    public void timeMultiplyIntByConstant10_Shift() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = (result + (result << 2)) << 1;
+        }
+    }
+
+    @Test
+    public void timeMultiplyIntByConstant2047() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result *= 2047;
+        }
+    }
+
+    @Test
+    public void timeMultiplyIntByConstant2048() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result *= 2048;
+        }
+    }
+
+    @Test
+    public void timeMultiplyIntByConstant2049() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result *= 2049;
+        }
+    }
+
+    @Test
+    public void timeMultiplyIntByVariable10() {
+        int result = 1;
+        int factor = 10;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result *= factor;
+        }
+    }
+
+    @Test
+    public void timeMultiplyIntByVariable8() {
+        int result = 1;
+        int factor = 8;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result *= factor;
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/IntConstantRemainderPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/IntConstantRemainderPerfTest.java
new file mode 100644
index 0000000000000..78f744c1b938b
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/IntConstantRemainderPerfTest.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class IntConstantRemainderPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Test
+    public void timeRemainderIntByConstant2() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result %= 2;
+        }
+    }
+
+    @Test
+    public void timeRemainderIntByConstant8() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result %= 8;
+        }
+    }
+
+    @Test
+    public void timeRemainderIntByConstant10() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result %= 10;
+        }
+    }
+
+    @Test
+    public void timeRemainderIntByConstant100() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result %= 100;
+        }
+    }
+
+    @Test
+    public void timeRemainderIntByConstant2048() {
+        int result = 1;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result %= 2048;
+        }
+    }
+
+    @Test
+    public void timeRemainderIntByVariable2() {
+        int result = 1;
+        int factor = 2;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result %= factor;
+        }
+    }
+
+    @Test
+    public void timeRemainderIntByVariable10() {
+        int result = 1;
+        int factor = 10;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result %= factor;
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/IntegerPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/IntegerPerfTest.java
new file mode 100644
index 0000000000000..170bb58c46ed1
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/IntegerPerfTest.java
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+
+import org.junit.Rule;
+import org.junit.Test;
+
+public class IntegerPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Test
+    public void timeLongSignumBranch() {
+        int t = 0;
+        int i = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            t += signum1(-(++i));
+            t += signum1(0);
+            t += signum1(i);
+        }
+    }
+
+    @Test
+    public void timeLongSignumBranchFree() {
+        int t = 0;
+        int i = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            t += signum2(-(++i));
+            t += signum2(0);
+            t += signum2(i);
+        }
+    }
+
+    private static int signum1(long v) {
+        return v < 0 ? -1 : (v == 0 ? 0 : 1);
+    }
+
+    private static int signum2(long v) {
+        return ((int) (v >> 63)) | (int) (-v >>> 63); // Hacker's delight 2-7
+    }
+
+    @Test
+    public void timeLongBitCount_BitSet() {
+        int t = 0;
+        int i = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            t += pop((long) ++i);
+        }
+    }
+
+    private static int pop(long l) {
+        int count = popX(l & 0xffffffffL);
+        count += popX(l >>> 32);
+        return count;
+    }
+
+    private static int popX(long x) {
+        // BEGIN android-note
+        // delegate to Integer.bitCount(i); consider using native code
+        // END android-note
+        x = x - ((x >>> 1) & 0x55555555);
+        x = (x & 0x33333333) + ((x >>> 2) & 0x33333333);
+        x = (x + (x >>> 4)) & 0x0f0f0f0f;
+        x = x + (x >>> 8);
+        x = x + (x >>> 16);
+        return (int) x & 0x0000003f;
+    }
+
+    @Test
+    public void timeLongBitCount_2Int() {
+        int t = 0;
+        int i = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            t += pop2((long) ++i);
+        }
+    }
+
+    private static int pop2(long l) {
+        int count = Integer.bitCount((int) (l & 0xffffffffL));
+        count += Integer.bitCount((int) (l >>> 32));
+        return count;
+    }
+
+    @Test
+    public void timeLongBitCount_Long() {
+        int t = 0;
+        int i = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            t += Long.bitCount((long) ++i);
+        }
+    }
+
+    /**
+     * Table for Seal's algorithm for Number of Trailing Zeros. Hacker's Delight online, Figure 5-18
+     * (http://www.hackersdelight.org/revisions.pdf) The entries whose value is -1 are never
+     * referenced.
+     */
+    private static final byte[] NTZ_TABLE = {
+        32, 0, 1, 12, 2, 6, -1, 13, 3, -1, 7, -1, -1, -1, -1, 14,
+        10, 4, -1, -1, 8, -1, -1, 25, -1, -1, -1, -1, -1, 21, 27, 15,
+        31, 11, 5, -1, -1, -1, -1, -1, 9, -1, -1, 24, -1, -1, 20, 26,
+        30, -1, -1, -1, -1, 23, -1, 19, 29, -1, 22, 18, 28, 17, 16, -1
+    };
+
+    private static int numberOfTrailingZerosHD(int i) {
+        // Seal's algorithm - Hacker's Delight 5-18
+        i &= -i;
+        i = (i << 4) + i; // x *= 17
+        i = (i << 6) + i; // x *= 65
+        i = (i << 16) - i; // x *= 65535
+        return NTZ_TABLE[i >>> 26];
+    }
+
+    private static int numberOfTrailingZerosOL(int i) {
+        return NTZ_TABLE[((i & -i) * 0x0450FBAF) >>> 26];
+    }
+
+    @Test
+    public void timeNumberOfTrailingZerosHD() {
+        int t = 0;
+        int i = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            t += numberOfTrailingZerosHD(++i);
+        }
+    }
+
+    @Test
+    public void timeNumberOfTrailingZerosOL() {
+        int t = 0;
+        int i = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            t += numberOfTrailingZerosOL(++i);
+        }
+    }
+
+    @Test
+    public void timeIntegerValueOf() throws Exception {
+        String[] intStrings =
+                new String[] {
+                    "0", "1", "12", "123", "1234", "12345", "123456", "1234567", "12345678"
+                };
+        int t = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            for (int j = 0; j < intStrings.length; ++j) {
+                t += Integer.valueOf(intStrings[j]);
+            }
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/IntegralToStringPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/IntegralToStringPerfTest.java
new file mode 100644
index 0000000000000..5129fcbfb2472
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/IntegralToStringPerfTest.java
@@ -0,0 +1,229 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class IntegralToStringPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    private static final int SMALL = 12;
+    private static final int MEDIUM = 12345;
+    private static final int LARGE = 12345678;
+
+    @Test
+    public void time_IntegerToString_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(SMALL);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(MEDIUM);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(LARGE);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString2_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(SMALL, 2);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString2_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(MEDIUM, 2);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString2_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(LARGE, 2);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString10_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(SMALL, 10);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString10_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(MEDIUM, 10);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString10_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(LARGE, 10);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString16_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(SMALL, 16);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString16_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(MEDIUM, 16);
+        }
+    }
+
+    @Test
+    public void time_IntegerToString16_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toString(LARGE, 16);
+        }
+    }
+
+    @Test
+    public void time_IntegerToBinaryString_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toBinaryString(SMALL);
+        }
+    }
+
+    @Test
+    public void time_IntegerToBinaryString_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toBinaryString(MEDIUM);
+        }
+    }
+
+    @Test
+    public void time_IntegerToBinaryString_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toBinaryString(LARGE);
+        }
+    }
+
+    @Test
+    public void time_IntegerToHexString_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toHexString(SMALL);
+        }
+    }
+
+    @Test
+    public void time_IntegerToHexString_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toHexString(MEDIUM);
+        }
+    }
+
+    @Test
+    public void time_IntegerToHexString_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Integer.toHexString(LARGE);
+        }
+    }
+
+    @Test
+    public void time_StringBuilder_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            new StringBuilder().append(SMALL);
+        }
+    }
+
+    @Test
+    public void time_StringBuilder_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            new StringBuilder().append(MEDIUM);
+        }
+    }
+
+    @Test
+    public void time_StringBuilder_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            new StringBuilder().append(LARGE);
+        }
+    }
+
+    @Test
+    public void time_Formatter_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            String.format("%d", SMALL);
+        }
+    }
+
+    @Test
+    public void time_Formatter_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            String.format("%d", MEDIUM);
+        }
+    }
+
+    @Test
+    public void time_Formatter_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            String.format("%d", LARGE);
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/KeyPairGeneratorPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/KeyPairGeneratorPerfTest.java
new file mode 100644
index 0000000000000..6fe9059cb3de5
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/KeyPairGeneratorPerfTest.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import java.security.KeyPair;
+import java.security.KeyPairGenerator;
+import java.security.SecureRandom;
+import java.util.Arrays;
+import java.util.Collection;
+
+@RunWith(Parameterized.class)
+@LargeTest
+public class KeyPairGeneratorPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Parameters(name = "mAlgorithm={0}, mImplementation={1}")
+    public static Collection<Object[]> data() {
+        return Arrays.asList(
+                new Object[][] {
+                    {Algorithm.RSA, Implementation.BouncyCastle},
+                    {Algorithm.DSA, Implementation.BouncyCastle},
+                    {Algorithm.RSA, Implementation.OpenSSL}
+                });
+    }
+
+    @Parameterized.Parameter(0)
+    public Algorithm mAlgorithm;
+
+    @Parameterized.Parameter(1)
+    public Implementation mImplementation;
+
+    public enum Algorithm {
+        RSA,
+        DSA,
+    };
+
+    public enum Implementation {
+        OpenSSL,
+        BouncyCastle
+    };
+
+    private String mGeneratorAlgorithm;
+    private KeyPairGenerator mGenerator;
+    private SecureRandom mRandom;
+
+    @Before
+    public void setUp() throws Exception {
+        this.mGeneratorAlgorithm = mAlgorithm.toString();
+
+        final String provider;
+        if (mImplementation == Implementation.BouncyCastle) {
+            provider = "BC";
+        } else {
+            provider = "AndroidOpenSSL";
+        }
+
+        this.mGenerator = KeyPairGenerator.getInstance(mGeneratorAlgorithm, provider);
+        this.mRandom = SecureRandom.getInstance("SHA1PRNG");
+        this.mGenerator.initialize(1024);
+    }
+
+    @Test
+    public void time() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            KeyPair keyPair = mGenerator.generateKeyPair();
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/LoopingBackwardsPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/LoopingBackwardsPerfTest.java
new file mode 100644
index 0000000000000..414764d292b8a
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/LoopingBackwardsPerfTest.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import java.util.Arrays;
+import java.util.Collection;
+
+/**
+ * Testing the old canard that looping backwards is faster.
+ *
+ * @author Kevin Bourrillion
+ */
+@RunWith(Parameterized.class)
+@LargeTest
+public class LoopingBackwardsPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Parameters(name = "mMax={0}")
+    public static Collection<Object[]> data() {
+        return Arrays.asList(new Object[][] {{2}, {20}, {2000}, {20000000}});
+    }
+
+    @Parameterized.Parameter(0)
+    public int mMax;
+
+    @Test
+    public void timeForwards() {
+        int fake = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            for (int j = 0; j < mMax; j++) {
+                fake += j;
+            }
+        }
+    }
+
+    @Test
+    public void timeBackwards() {
+        int fake = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            for (int j = mMax - 1; j >= 0; j--) {
+                fake += j;
+            }
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/MathPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/MathPerfTest.java
new file mode 100644
index 0000000000000..4c2d7fb7e6631
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/MathPerfTest.java
@@ -0,0 +1,551 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * Many of these tests are bogus in that the cost will vary wildly depending on inputs. For _my_
+ * current purposes, that's okay. But beware!
+ */
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class MathPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    private final double mDouble = 1.2;
+    private final float mFloat = 1.2f;
+    private final int mInt = 1;
+    private final long mLong = 1L;
+
+    // NOTE: To avoid the benchmarked function from being optimized away, we store the result
+    // and use it as the benchmark's return value. This is good enough for now but may not be in
+    // the future, a smart compiler could determine that the result value will depend on whether
+    // we get into the loop or not and turn the whole loop into an if statement.
+
+    @Test
+    public void timeAbsD() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.abs(mDouble);
+        }
+    }
+
+    @Test
+    public void timeAbsF() {
+        float result = mFloat;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.abs(mFloat);
+        }
+    }
+
+    @Test
+    public void timeAbsI() {
+        int result = mInt;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.abs(mInt);
+        }
+    }
+
+    @Test
+    public void timeAbsL() {
+        long result = mLong;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.abs(mLong);
+        }
+    }
+
+    @Test
+    public void timeAcos() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.acos(mDouble);
+        }
+    }
+
+    @Test
+    public void timeAsin() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.asin(mDouble);
+        }
+    }
+
+    @Test
+    public void timeAtan() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.atan(mDouble);
+        }
+    }
+
+    @Test
+    public void timeAtan2() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.atan2(3, 4);
+        }
+    }
+
+    @Test
+    public void timeCbrt() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.cbrt(mDouble);
+        }
+    }
+
+    @Test
+    public void timeCeil() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.ceil(mDouble);
+        }
+    }
+
+    @Test
+    public void timeCopySignD() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.copySign(mDouble, mDouble);
+        }
+    }
+
+    @Test
+    public void timeCopySignF() {
+        float result = mFloat;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.copySign(mFloat, mFloat);
+        }
+    }
+
+    @Test
+    public void timeCopySignD_strict() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = StrictMath.copySign(mDouble, mDouble);
+        }
+    }
+
+    @Test
+    public void timeCopySignF_strict() {
+        float result = mFloat;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = StrictMath.copySign(mFloat, mFloat);
+        }
+    }
+
+    @Test
+    public void timeCos() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.cos(mDouble);
+        }
+    }
+
+    @Test
+    public void timeCosh() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.cosh(mDouble);
+        }
+    }
+
+    @Test
+    public void timeExp() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.exp(mDouble);
+        }
+    }
+
+    @Test
+    public void timeExpm1() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.expm1(mDouble);
+        }
+    }
+
+    @Test
+    public void timeFloor() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.floor(mDouble);
+        }
+    }
+
+    @Test
+    public void timeGetExponentD() {
+        int result = mInt;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.getExponent(mDouble);
+        }
+    }
+
+    @Test
+    public void timeGetExponentF() {
+        int result = mInt;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.getExponent(mFloat);
+        }
+    }
+
+    @Test
+    public void timeHypot() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.hypot(mDouble, mDouble);
+        }
+    }
+
+    @Test
+    public void timeIEEEremainder() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.IEEEremainder(mDouble, mDouble);
+        }
+    }
+
+    @Test
+    public void timeLog() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.log(mDouble);
+        }
+    }
+
+    @Test
+    public void timeLog10() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.log10(mDouble);
+        }
+    }
+
+    @Test
+    public void timeLog1p() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.log1p(mDouble);
+        }
+    }
+
+    @Test
+    public void timeMaxD() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.max(mDouble, mDouble);
+        }
+    }
+
+    @Test
+    public void timeMaxF() {
+        float result = mFloat;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.max(mFloat, mFloat);
+        }
+    }
+
+    @Test
+    public void timeMaxI() {
+        int result = mInt;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.max(mInt, mInt);
+        }
+    }
+
+    @Test
+    public void timeMaxL() {
+        long result = mLong;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.max(mLong, mLong);
+        }
+    }
+
+    @Test
+    public void timeMinD() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.min(mDouble, mDouble);
+        }
+    }
+
+    @Test
+    public void timeMinF() {
+        float result = mFloat;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.min(mFloat, mFloat);
+        }
+    }
+
+    @Test
+    public void timeMinI() {
+        int result = mInt;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.min(mInt, mInt);
+        }
+    }
+
+    @Test
+    public void timeMinL() {
+        long result = mLong;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.min(mLong, mLong);
+        }
+    }
+
+    @Test
+    public void timeNextAfterD() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.nextAfter(mDouble, mDouble);
+        }
+    }
+
+    @Test
+    public void timeNextAfterF() {
+        float result = mFloat;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.nextAfter(mFloat, mFloat);
+        }
+    }
+
+    @Test
+    public void timeNextUpD() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.nextUp(mDouble);
+        }
+    }
+
+    @Test
+    public void timeNextUpF() {
+        float result = mFloat;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.nextUp(mFloat);
+        }
+    }
+
+    @Test
+    public void timePow() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.pow(mDouble, mDouble);
+        }
+    }
+
+    @Test
+    public void timeRandom() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.random();
+        }
+    }
+
+    @Test
+    public void timeRint() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.rint(mDouble);
+        }
+    }
+
+    @Test
+    public void timeRoundD() {
+        long result = mLong;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.round(mDouble);
+        }
+    }
+
+    @Test
+    public void timeRoundF() {
+        int result = mInt;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.round(mFloat);
+        }
+    }
+
+    @Test
+    public void timeScalbD() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.scalb(mDouble, 5);
+        }
+    }
+
+    @Test
+    public void timeScalbF() {
+        float result = mFloat;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.scalb(mFloat, 5);
+        }
+    }
+
+    @Test
+    public void timeSignumD() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.signum(mDouble);
+        }
+    }
+
+    @Test
+    public void timeSignumF() {
+        float result = mFloat;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.signum(mFloat);
+        }
+    }
+
+    @Test
+    public void timeSin() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.sin(mDouble);
+        }
+    }
+
+    @Test
+    public void timeSinh() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.sinh(mDouble);
+        }
+    }
+
+    @Test
+    public void timeSqrt() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.sqrt(mDouble);
+        }
+    }
+
+    @Test
+    public void timeTan() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.tan(mDouble);
+        }
+    }
+
+    @Test
+    public void timeTanh() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.tanh(mDouble);
+        }
+    }
+
+    @Test
+    public void timeToDegrees() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.toDegrees(mDouble);
+        }
+    }
+
+    @Test
+    public void timeToRadians() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.toRadians(mDouble);
+        }
+    }
+
+    @Test
+    public void timeUlpD() {
+        double result = mDouble;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.ulp(mDouble);
+        }
+    }
+
+    @Test
+    public void timeUlpF() {
+        float result = mFloat;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            result = Math.ulp(mFloat);
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/MessageDigestPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/MessageDigestPerfTest.java
new file mode 100644
index 0000000000000..a27e16a46a045
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/MessageDigestPerfTest.java
@@ -0,0 +1,209 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import java.nio.ByteBuffer;
+import java.security.MessageDigest;
+import java.util.Arrays;
+import java.util.Collection;
+
+@RunWith(Parameterized.class)
+@LargeTest
+public class MessageDigestPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Parameters(name = "mAlgorithm={0}")
+    public static Collection<Object[]> data() {
+        return Arrays.asList(
+                new Object[][] {
+                    {Algorithm.MD5},
+                    {Algorithm.SHA1},
+                    {Algorithm.SHA256},
+                    {Algorithm.SHA384},
+                    {Algorithm.SHA512}
+                });
+    }
+
+    @Parameterized.Parameter(0)
+    public Algorithm mAlgorithm;
+
+    public String mProvider = "AndroidSSL";
+
+    private static final int DATA_SIZE = 8192;
+    private static final byte[] DATA = new byte[DATA_SIZE];
+
+    static {
+        for (int i = 0; i < DATA_SIZE; i++) {
+            DATA[i] = (byte) i;
+        }
+    }
+
+    private static final int LARGE_DATA_SIZE = 256 * 1024;
+    private static final byte[] LARGE_DATA = new byte[LARGE_DATA_SIZE];
+
+    static {
+        for (int i = 0; i < LARGE_DATA_SIZE; i++) {
+            LARGE_DATA[i] = (byte) i;
+        }
+    }
+
+    private static final ByteBuffer SMALL_BUFFER = ByteBuffer.wrap(DATA);
+    private static final ByteBuffer SMALL_DIRECT_BUFFER = ByteBuffer.allocateDirect(DATA_SIZE);
+
+    static {
+        SMALL_DIRECT_BUFFER.put(DATA);
+        SMALL_DIRECT_BUFFER.flip();
+    }
+
+    private static final ByteBuffer LARGE_BUFFER = ByteBuffer.wrap(LARGE_DATA);
+    private static final ByteBuffer LARGE_DIRECT_BUFFER =
+            ByteBuffer.allocateDirect(LARGE_DATA_SIZE);
+
+    static {
+        LARGE_DIRECT_BUFFER.put(LARGE_DATA);
+        LARGE_DIRECT_BUFFER.flip();
+    }
+
+    public enum Algorithm {
+        MD5,
+        SHA1,
+        SHA256,
+        SHA384,
+        SHA512
+    };
+
+    @Test
+    public void time() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            MessageDigest digest =
+                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            digest.update(DATA, 0, DATA_SIZE);
+            digest.digest();
+        }
+    }
+
+    @Test
+    public void timeLargeArray() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            MessageDigest digest =
+                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            digest.update(LARGE_DATA, 0, LARGE_DATA_SIZE);
+            digest.digest();
+        }
+    }
+
+    @Test
+    public void timeSmallChunkOfLargeArray() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            MessageDigest digest =
+                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            digest.update(LARGE_DATA, LARGE_DATA_SIZE / 2, DATA_SIZE);
+            digest.digest();
+        }
+    }
+
+    @Test
+    public void timeSmallByteBuffer() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            MessageDigest digest =
+                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            SMALL_BUFFER.position(0);
+            SMALL_BUFFER.limit(SMALL_BUFFER.capacity());
+            digest.update(SMALL_BUFFER);
+            digest.digest();
+        }
+    }
+
+    @Test
+    public void timeSmallDirectByteBuffer() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            MessageDigest digest =
+                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            SMALL_DIRECT_BUFFER.position(0);
+            SMALL_DIRECT_BUFFER.limit(SMALL_DIRECT_BUFFER.capacity());
+            digest.update(SMALL_DIRECT_BUFFER);
+            digest.digest();
+        }
+    }
+
+    @Test
+    public void timeLargeByteBuffer() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            MessageDigest digest =
+                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            LARGE_BUFFER.position(0);
+            LARGE_BUFFER.limit(LARGE_BUFFER.capacity());
+            digest.update(LARGE_BUFFER);
+            digest.digest();
+        }
+    }
+
+    @Test
+    public void timeLargeDirectByteBuffer() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            MessageDigest digest =
+                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            LARGE_DIRECT_BUFFER.position(0);
+            LARGE_DIRECT_BUFFER.limit(LARGE_DIRECT_BUFFER.capacity());
+            digest.update(LARGE_DIRECT_BUFFER);
+            digest.digest();
+        }
+    }
+
+    @Test
+    public void timeSmallChunkOfLargeByteBuffer() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            MessageDigest digest =
+                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            LARGE_BUFFER.position(LARGE_BUFFER.capacity() / 2);
+            LARGE_BUFFER.limit(LARGE_BUFFER.position() + DATA_SIZE);
+            digest.update(LARGE_BUFFER);
+            digest.digest();
+        }
+    }
+
+    @Test
+    public void timeSmallChunkOfLargeDirectByteBuffer() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            MessageDigest digest =
+                    MessageDigest.getInstance(mAlgorithm.toString(), mProvider);
+            LARGE_DIRECT_BUFFER.position(LARGE_DIRECT_BUFFER.capacity() / 2);
+            LARGE_DIRECT_BUFFER.limit(LARGE_DIRECT_BUFFER.position() + DATA_SIZE);
+            digest.update(LARGE_DIRECT_BUFFER);
+            digest.digest();
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/MutableIntPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/MutableIntPerfTest.java
new file mode 100644
index 0000000000000..37bd73c8731a2
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/MutableIntPerfTest.java
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.concurrent.atomic.AtomicInteger;
+
+@RunWith(Parameterized.class)
+@LargeTest
+public final class MutableIntPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    enum Kind {
+        ARRAY() {
+            int[] mValue = new int[1];
+
+            @Override
+            void timeCreate(BenchmarkState state) {
+                while (state.keepRunning()) {
+                    mValue = new int[] {5};
+                }
+            }
+
+            @Override
+            void timeIncrement(BenchmarkState state) {
+                while (state.keepRunning()) {
+                    mValue[0]++;
+                }
+            }
+
+            @Override
+            int timeGet(BenchmarkState state) {
+                int sum = 0;
+                while (state.keepRunning()) {
+                    sum += mValue[0];
+                }
+                return sum;
+            }
+        },
+        ATOMIC() {
+            AtomicInteger mValue = new AtomicInteger();
+
+            @Override
+            void timeCreate(BenchmarkState state) {
+                while (state.keepRunning()) {
+                    mValue = new AtomicInteger(5);
+                }
+            }
+
+            @Override
+            void timeIncrement(BenchmarkState state) {
+                while (state.keepRunning()) {
+                    mValue.incrementAndGet();
+                }
+            }
+
+            @Override
+            int timeGet(BenchmarkState state) {
+                int sum = 0;
+                while (state.keepRunning()) {
+                    sum += mValue.intValue();
+                }
+                return sum;
+            }
+        };
+
+        abstract void timeCreate(BenchmarkState state);
+
+        abstract void timeIncrement(BenchmarkState state);
+
+        abstract int timeGet(BenchmarkState state);
+    }
+
+    @Parameters(name = "mKind={0}")
+    public static Collection<Object[]> data() {
+        return Arrays.asList(new Object[][] {{Kind.ARRAY}, {Kind.ATOMIC}});
+    }
+
+    @Parameterized.Parameter(0)
+    public Kind mKind;
+
+    @Test
+    public void timeCreate() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        mKind.timeCreate(state);
+    }
+
+    @Test
+    public void timeIncrement() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        mKind.timeIncrement(state);
+    }
+
+    @Test
+    public void timeGet() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        mKind.timeGet(state);
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/NumberFormatPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/NumberFormatPerfTest.java
new file mode 100644
index 0000000000000..dae185e1209c4
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/NumberFormatPerfTest.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.text.NumberFormat;
+import java.util.Locale;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class NumberFormatPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    private static Locale sLocale = Locale.getDefault(Locale.Category.FORMAT);
+
+    @Test
+    public void time_instantiation() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            NumberFormat.getInstance(sLocale);
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/PriorityQueuePerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/PriorityQueuePerfTest.java
new file mode 100644
index 0000000000000..8801a5690cb2d
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/PriorityQueuePerfTest.java
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.PriorityQueue;
+import java.util.Random;
+
+@RunWith(Parameterized.class)
+@LargeTest
+public class PriorityQueuePerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Parameters(name = "mQueueSize={0}, mHitRate={1}")
+    public static Collection<Object[]> data() {
+        return Arrays.asList(
+                new Object[][] {
+                    {100, 0},
+                    {1000, 0},
+                    {10000, 0},
+                    {100, 25},
+                    {1000, 25},
+                    {10000, 25},
+                    {100, 50},
+                    {1000, 50},
+                    {10000, 50},
+                    {100, 75},
+                    {1000, 75},
+                    {10000, 75},
+                    {100, 100},
+                    {1000, 100},
+                    {10000, 100}
+                });
+    }
+
+    @Parameterized.Parameter(0)
+    public int mQueueSize;
+
+    @Parameterized.Parameter(1)
+    public int mHitRate;
+
+    private PriorityQueue<Integer> mPq;
+    private PriorityQueue<Integer> mUsepq;
+    private List<Integer> mSeekElements;
+    private Random mRandom = new Random(189279387L);
+
+    @Before
+    public void setUp() throws Exception {
+        mPq = new PriorityQueue<Integer>();
+        mUsepq = new PriorityQueue<Integer>();
+        mSeekElements = new ArrayList<Integer>();
+        List<Integer> allElements = new ArrayList<Integer>();
+        int numShared = (int) (mQueueSize * ((double) mHitRate / 100));
+        // the total number of elements we require to engineer a hit rate of mHitRate%
+        int totalElements = 2 * mQueueSize - numShared;
+        for (int i = 0; i < totalElements; i++) {
+            allElements.add(i);
+        }
+        // shuffle these elements so that we get a reasonable distribution of missed elements
+        Collections.shuffle(allElements, mRandom);
+        // add shared elements
+        for (int i = 0; i < numShared; i++) {
+            mPq.add(allElements.get(i));
+            mSeekElements.add(allElements.get(i));
+        }
+        // add priority queue only elements (these won't be touched)
+        for (int i = numShared; i < mQueueSize; i++) {
+            mPq.add(allElements.get(i));
+        }
+        // add non-priority queue elements (these will be misses)
+        for (int i = mQueueSize; i < totalElements; i++) {
+            mSeekElements.add(allElements.get(i));
+        }
+        mUsepq = new PriorityQueue<Integer>(mPq);
+        // shuffle again so that elements are accessed in a different pattern than they were
+        // inserted
+        Collections.shuffle(mSeekElements, mRandom);
+    }
+
+    @Test
+    public void timeRemove() {
+        boolean fake = false;
+        int elementsSize = mSeekElements.size();
+        // At most allow the queue to empty 10%.
+        int resizingThreshold = mQueueSize / 10;
+        int i = 0;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            // Reset queue every so often. This will be called more often for smaller
+            // mQueueSizes, but since a copy is linear, it will also cost proportionally
+            // less, and hopefully it will approximately balance out.
+            if (++i % resizingThreshold == 0) {
+                mUsepq = new PriorityQueue<Integer>(mPq);
+            }
+            fake = mUsepq.remove(mSeekElements.get(i % elementsSize));
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/PropertyAccessPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/PropertyAccessPerfTest.java
new file mode 100644
index 0000000000000..21ccba5cc2e75
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/PropertyAccessPerfTest.java
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public final class PropertyAccessPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    private View mView = new View();
+    private Method mSetX;
+    private GeneratedProperty mGeneratedSetter = new GeneratedSetter();
+    private GeneratedProperty mGeneratedField = new GeneratedField();
+    private Field mX;
+    private Object[] mArgsBomX = new Object[1];
+
+    @Before
+    public void setUp() throws Exception {
+        mSetX = View.class.getDeclaredMethod("mSetX", float.class);
+        mX = View.class.getDeclaredField("mX");
+    }
+
+    @Test
+    public void timeDirectSetter() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            mView.mSetX(0.1f);
+        }
+    }
+
+    @Test
+    public void timeDirectFieldSet() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            mView.mX = 0.1f;
+        }
+    }
+
+    @Test
+    public void timeDirectSetterAndBomXing() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Float value = 0.1f;
+            mView.mSetX(value);
+        }
+    }
+
+    @Test
+    public void timeDirectFieldSetAndBomXing() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Float value = 0.1f;
+            mView.mX = value;
+        }
+    }
+
+    @Test
+    public void timeReflectionSetterAndTwoBomXes() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            mSetX.invoke(mView, 0.1f);
+        }
+    }
+
+    @Test
+    public void timeReflectionSetterAndOneBomX() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            mArgsBomX[0] = 0.1f;
+            mSetX.invoke(mView, mArgsBomX);
+        }
+    }
+
+    @Test
+    public void timeReflectionFieldSet() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            mX.setFloat(mView, 0.1f);
+        }
+    }
+
+    @Test
+    public void timeGeneratedSetter() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            mGeneratedSetter.setFloat(mView, 0.1f);
+        }
+    }
+
+    @Test
+    public void timeGeneratedFieldSet() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            mGeneratedField.setFloat(mView, 0.1f);
+        }
+    }
+
+    static class View {
+        float mX;
+
+        public void mSetX(float mX) {
+            this.mX = mX;
+        }
+    }
+
+    interface GeneratedProperty {
+        void setFloat(View v, float f);
+    }
+
+    static class GeneratedSetter implements GeneratedProperty {
+        public void setFloat(View v, float f) {
+            v.mSetX(f);
+        }
+    }
+
+    static class GeneratedField implements GeneratedProperty {
+        public void setFloat(View v, float f) {
+            v.mX = f;
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/ProviderPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/ProviderPerfTest.java
new file mode 100644
index 0000000000000..f7bcf12c858eb
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/ProviderPerfTest.java
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.security.Provider;
+import java.security.Security;
+
+import javax.crypto.Cipher;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class ProviderPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Test
+    public void timeStableProviders() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Cipher c = Cipher.getInstance("RSA");
+        }
+    }
+
+    @Test
+    public void timeWithNewProvider() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Security.addProvider(new MockProvider());
+            try {
+                Cipher c = Cipher.getInstance("RSA");
+            } finally {
+                Security.removeProvider("Mock");
+            }
+        }
+    }
+
+    private static class MockProvider extends Provider {
+        MockProvider() {
+            super("Mock", 1.0, "Mock me!");
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/R.java b/apct-tests/perftests/core/src/android/libcore/regression/R.java
new file mode 100644
index 0000000000000..d1641b32d06ec
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/R.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+/**
+ * This file is a subset of the frameworks' R.java (resource definition) file
+ * with references to android specific annotations stripped out.
+ */
+public final class R {
+    private R() {}
+
+    public final int mTextAppearanceLargePopupMenu = 0;
+    public static final int WEEK_NUMBER_COLOR = 0;
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/RandomPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/RandomPerfTest.java
new file mode 100644
index 0000000000000..d8bff4cc20d13
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/RandomPerfTest.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.security.SecureRandom;
+import java.util.Random;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class RandomPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Test
+    public void timeNewRandom() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Random rng = new Random();
+            rng.nextInt();
+        }
+    }
+
+    @Test
+    public void timeReusedRandom() throws Exception {
+        Random rng = new Random();
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            rng.nextInt();
+        }
+    }
+
+    @Test
+    public void timeReusedSecureRandom() throws Exception {
+        SecureRandom rng = new SecureRandom();
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            rng.nextInt();
+        }
+    }
+
+    @Test
+    public void timeNewSecureRandom() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            SecureRandom rng = new SecureRandom();
+            rng.nextInt();
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/RealToStringPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/RealToStringPerfTest.java
new file mode 100644
index 0000000000000..2542df90896ff
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/RealToStringPerfTest.java
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class RealToStringPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    private static final float SMALL = -123.45f;
+    private static final float MEDIUM = -123.45e8f;
+    private static final float LARGE = -123.45e36f;
+
+    @Test
+    public void timeFloat_toString_NaN() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Float.toString(Float.NaN);
+        }
+    }
+
+    @Test
+    public void timeFloat_toString_NEGATIVE_INFINITY() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Float.toString(Float.NEGATIVE_INFINITY);
+        }
+    }
+
+    @Test
+    public void timeFloat_toString_POSITIVE_INFINITY() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Float.toString(Float.POSITIVE_INFINITY);
+        }
+    }
+
+    @Test
+    public void timeFloat_toString_zero() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Float.toString(0.0f);
+        }
+    }
+
+    @Test
+    public void timeFloat_toString_minusZero() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Float.toString(-0.0f);
+        }
+    }
+
+    @Test
+    public void timeFloat_toString_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Float.toString(SMALL);
+        }
+    }
+
+    @Test
+    public void timeFloat_toString_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Float.toString(MEDIUM);
+        }
+    }
+
+    @Test
+    public void timeFloat_toString_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            Float.toString(LARGE);
+        }
+    }
+
+    @Test
+    public void timeStringBuilder_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            new StringBuilder().append(SMALL);
+        }
+    }
+
+    @Test
+    public void timeStringBuilder_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            new StringBuilder().append(MEDIUM);
+        }
+    }
+
+    @Test
+    public void timeStringBuilder_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            new StringBuilder().append(LARGE);
+        }
+    }
+
+    @Test
+    public void timeFormatter_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            String.format("%f", SMALL);
+        }
+    }
+
+    @Test
+    public void timeFormatter_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            String.format("%f", MEDIUM);
+        }
+    }
+
+    @Test
+    public void timeFormatter_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            String.format("%f", LARGE);
+        }
+    }
+
+    @Test
+    public void timeFormatter_dot2f_small() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            String.format("%.2f", SMALL);
+        }
+    }
+
+    @Test
+    public void timeFormatter_dot2f_medium() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            String.format("%.2f", MEDIUM);
+        }
+    }
+
+    @Test
+    public void timeFormatter_dot2f_large() {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            String.format("%.2f", LARGE);
+        }
+    }
+}
diff --git a/apct-tests/perftests/core/src/android/libcore/regression/ReflectionPerfTest.java b/apct-tests/perftests/core/src/android/libcore/regression/ReflectionPerfTest.java
new file mode 100644
index 0000000000000..b06662ccd9b5b
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/libcore/regression/ReflectionPerfTest.java
@@ -0,0 +1,296 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.libcore.regression;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.PerfStatusReporter;
+import android.test.suitebuilder.annotation.LargeTest;
+
+import androidx.test.runner.AndroidJUnit4;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+@RunWith(AndroidJUnit4.class)
+@LargeTest
+public class ReflectionPerfTest {
+    @Rule public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+    @Test
+    public void timeObject_getClass() throws Exception {
+        C c = new C();
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            c.getClass();
+        }
+    }
+
+    @Test
+    public void timeClass_getField() throws Exception {
+        Class<?> klass = C.class;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            klass.getField("f");
+        }
+    }
+
+    @Test
+    public void timeClass_getDeclaredField() throws Exception {
+        Class<?> klass = C.class;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            klass.getDeclaredField("f");
+        }
+    }
+
+    @Test
+    public void timeClass_getConstructor() throws Exception {
+        Class<?> klass = C.class;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            klass.getConstructor();
+        }
+    }
+
+    @Test
+    public void timeClass_newInstance() throws Exception {
+        Class<?> klass = C.class;
+        Constructor constructor = klass.getConstructor();
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            constructor.newInstance();
+        }
+    }
+
+    @Test
+    public void timeClass_getMethod() throws Exception {
+        Class<?> klass = C.class;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            klass.getMethod("m");
+        }
+    }
+
+    @Test
+    public void timeClass_getDeclaredMethod() throws Exception {
+        Class<?> klass = C.class;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            klass.getDeclaredMethod("m");
+        }
+    }
+
+    @Test
+    public void timeField_setInt() throws Exception {
+        Class<?> klass = C.class;
+        Field f = klass.getDeclaredField("f");
+        C instance = new C();
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            f.setInt(instance, 1);
+        }
+    }
+
+    @Test
+    public void timeField_getInt() throws Exception {
+        Class<?> klass = C.class;
+        Field f = klass.getDeclaredField("f");
+        C instance = new C();
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            f.getInt(instance);
+        }
+    }
+
+    @Test
+    public void timeMethod_invokeV() throws Exception {
+        Class<?> klass = C.class;
+        Method m = klass.getDeclaredMethod("m");
+        C instance = new C();
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            m.invoke(instance);
+        }
+    }
+
+    @Test
+    public void timeMethod_invokeStaticV() throws Exception {
+        Class<?> klass = C.class;
+        Method m = klass.getDeclaredMethod("sm");
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            m.invoke(null);
+        }
+    }
+
+    @Test
+    public void timeMethod_invokeI() throws Exception {
+        Class<?> klass = C.class;
+        Method m = klass.getDeclaredMethod("setField", int.class);
+        C instance = new C();
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            m.invoke(instance, 1);
+        }
+    }
+
+    @Test
+    public void timeMethod_invokePreBoxedI() throws Exception {
+        Class<?> klass = C.class;
+        Method m = klass.getDeclaredMethod("setField", int.class);
+        C instance = new C();
+        Integer one = Integer.valueOf(1);
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            m.invoke(instance, one);
+        }
+    }
+
+    @Test
+    public void timeMethod_invokeStaticI() throws Exception {
+        Class<?> klass = C.class;
+        Method m = klass.getDeclaredMethod("setStaticField", int.class);
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            m.invoke(null, 1);
+        }
+    }
+
+    @Test
+    public void timeMethod_invokeStaticPreBoxedI() throws Exception {
+        Class<?> klass = C.class;
+        Method m = klass.getDeclaredMethod("setStaticField", int.class);
+        Integer one = Integer.valueOf(1);
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            m.invoke(null, one);
+        }
+    }
+
+    @Test
+    public void timeRegularMethodInvocation() throws Exception {
+        C instance = new C();
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            instance.setField(1);
+        }
+    }
+
+    @Test
+    public void timeRegularConstructor() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            new C();
+        }
+    }
+
+    @Test
+    public void timeClass_classNewInstance() throws Exception {
+        Class<?> klass = C.class;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            klass.newInstance();
+        }
+    }
+
+    @Test
+    public void timeClass_isInstance() throws Exception {
+        D d = new D();
+        Class<?> klass = IC.class;
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            klass.isInstance(d);
+        }
+    }
+
+    @Test
+    public void timeGetInstanceField() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            // TODO: Write a test script that generates both the classes we're
+            // reflecting on and the test case for each of its fields.
+            R.class.getField("mTextAppearanceLargePopupMenu");
+        }
+    }
+
+    @Test
+    public void timeGetStaticField() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            R.class.getField("WEEK_NUMBER_COLOR");
+        }
+    }
+
+    @Test
+    public void timeGetInterfaceStaticField() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            F.class.getField("SF");
+        }
+    }
+
+    @Test
+    public void timeGetSuperClassField() throws Exception {
+        BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+        while (state.keepRunning()) {
+            G.class.getField("f");
+        }
+    }
+
+    public static class C {
+        public static int sf = 0;
+        public int f = 0;
+
+        public C() {
+            // A non-empty constructor so we don't get optimized away.
+            f = 1;
+        }
+
+        public void m() {}
+
+        public static void sm() {}
+
+        public void setField(int value) {
+            f = value;
+        }
+
+        public static void setStaticField(int value) {
+            sf = value;
+        }
+    }
+
+    interface IA {}
+
+    interface IB extends IA {}
+
+    interface IC extends IB {
+        int SF = 0;
+    }
+
+    class D implements IC {}
+
+    class E extends D {}
+
+    class F extends E implements IB {}
+
+    class G extends C {}
+}