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8341859: Optimize ClassFile Benchmark Write

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Reviewed-by: liach
This commit is contained in:
Shaojin Wen 2024-10-10 00:03:08 +00:00
parent c850ecb20a
commit 475f8f94e0
1 changed files with 13 additions and 4 deletions
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17
test/micro/org/openjdk/bench/jdk/classfile/Write.java
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@ -62,6 +62,15 @@ import static org.openjdk.bench.jdk.classfile.TestConstants.*;
"--enable-preview",
"--add-exports", "java.base/jdk.internal.classfile.impl=ALL-UNNAMED"})
public class Write {
static final int REPEATS = 40;
static final String[] METHOD_NAMES;
static {
var names = new String[REPEATS];
for (int xi = 0; xi < REPEATS; ++xi) {
names[xi] = "main" + ((xi == 0) ? "" : "" + xi);
}
METHOD_NAMES = names;
}
static String checkFileAsm = "/tmp/asw/MyClass.class";
static String checkFileBc = "/tmp/byw/MyClass.class";
static boolean writeClassAsm = Files.exists(Paths.get(checkFileAsm).getParent());
@ -90,8 +99,8 @@ public class Write {
mv.visitEnd();
}
for (int xi = 0; xi < 40; ++xi) {
MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC+Opcodes.ACC_STATIC, "main"+ ((xi==0)? "" : ""+xi), "([Ljava/lang/String;)V", null, null);
for (int xi = 0; xi < REPEATS; ++xi) {
MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC+Opcodes.ACC_STATIC, METHOD_NAMES[xi], "([Ljava/lang/String;)V", null, null);
mv.visitCode();
Label loopTop = new Label();
Label loopEnd = new Label();
@ -146,8 +155,8 @@ public class Write {
.return_()
)
);
for (int xi = 0; xi < 40; ++xi) {
cb.withMethod("main" + ((xi == 0) ? "" : "" + xi), MTD_void_StringArray,
for (int xi = 0; xi < REPEATS; ++xi) {
cb.withMethod(METHOD_NAMES[xi], MTD_void_StringArray,
ACC_PUBLIC | ACC_STATIC,
mb -> mb.withCode(c0 -> {
java.lang.classfile.Label loopTop = c0.newLabel();