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8299671: speed up compiler/intrinsics/string/TestStringLatin1IndexOfChar.java

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Reviewed-by: thartmann, kvn
This commit is contained in:
Emanuel Peter 2023-01-09 08:34:24 +00:00
parent 05a0a71031
commit d2827ec8f7
1 changed files with 41 additions and 8 deletions
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49
test/hotspot/jtreg/compiler/intrinsics/string/TestStringLatin1IndexOfChar.java
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@ -32,24 +32,57 @@
*
* Run with varing levels of AVX and SSE support, also without the intrinsic at all
*
* @library /compiler/patches /test/lib
* @run main/othervm -Xbatch -XX:Tier4InvocationThreshold=200 -XX:CompileThreshold=100 compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @run main/othervm -Xbatch -XX:Tier4InvocationThreshold=200 -XX:CompileThreshold=100 -XX:+UnlockDiagnosticVMOptions -XX:DisableIntrinsic=_indexOfL_char compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @run main/othervm -Xbatch -XX:Tier4InvocationThreshold=200 -XX:CompileThreshold=100 -XX:+IgnoreUnrecognizedVMOptions -XX:UseSSE=0 compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @run main/othervm -Xbatch -XX:Tier4InvocationThreshold=200 -XX:CompileThreshold=100 -XX:+IgnoreUnrecognizedVMOptions -XX:UseAVX=1 compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @run main/othervm -Xbatch -XX:Tier4InvocationThreshold=200 -XX:CompileThreshold=100 -XX:+IgnoreUnrecognizedVMOptions -XX:UseAVX=2 compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @run main/othervm -Xbatch -XX:Tier4InvocationThreshold=200 -XX:CompileThreshold=100 -XX:+IgnoreUnrecognizedVMOptions -XX:UseAVX=3 compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @requires vm.compiler2.enabled
* @library /compiler/patches /test/lib /
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -Xbatch compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -Xbatch -XX:+UnlockDiagnosticVMOptions -XX:DisableIntrinsic=_indexOfL_char compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:UseAVX=0 compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:UseAVX=1 compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:UseAVX=2 compiler.intrinsics.string.TestStringLatin1IndexOfChar
* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -Xbatch -XX:+IgnoreUnrecognizedVMOptions -XX:UseAVX=3 compiler.intrinsics.string.TestStringLatin1IndexOfChar
*/
package compiler.intrinsics.string;
import jdk.test.lib.Asserts;
import jdk.test.whitebox.WhiteBox;
import java.lang.reflect.Method;
import compiler.whitebox.CompilerWhiteBoxTest;
public class TestStringLatin1IndexOfChar{
private static final WhiteBox WHITE_BOX = WhiteBox.getWhiteBox();
private final static int MAX_LENGTH = 2048;//future proof for AVX-512 instructions
public static void main(String[] args) throws Exception {
for (int i = 0; i < 1_000; ++i) {//repeat such that we enter into C2 code...
Method methodFindOneItem = TestStringLatin1IndexOfChar.class.getDeclaredMethod("findOneItem");
Method methodWithOffsetTest = TestStringLatin1IndexOfChar.class.getDeclaredMethod("withOffsetTest");
Method methodTestEmpty = TestStringLatin1IndexOfChar.class.getDeclaredMethod("testEmpty");
Asserts.assertNotNull(methodFindOneItem);
Asserts.assertNotNull(methodWithOffsetTest);
Asserts.assertNotNull(methodTestEmpty);
// Warmup - profiling must inline the methods
for (int i = 0; i < 10; ++i) {
findOneItem();
withOffsetTest();
testEmpty();
}
// Compile
WHITE_BOX.enqueueMethodForCompilation(methodFindOneItem, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);
WHITE_BOX.enqueueMethodForCompilation(methodWithOffsetTest, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);
WHITE_BOX.enqueueMethodForCompilation(methodTestEmpty, CompilerWhiteBoxTest.COMP_LEVEL_FULL_OPTIMIZATION);
// Run compiled method
for (int i = 0; i < 10; ++i) {
findOneItem();
withOffsetTest();
testEmpty();