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8260555: Change the default TIMEOUT_FACTOR from 4 to 1 #26749

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ac47dbd
8260555: Change the default TIMEOUT_FACTOR from 4 to 1
lkorinth May 5, 2025
dbe4296
After suggestions from Erik and Andrey
lkorinth Aug 13, 2025
8fa40e7
added extra timeout for: jdk/internal/vm/Continuation/BasicExt.java#C…
lkorinth Aug 15, 2025
286a2cc
after suggestion from Daniel
lkorinth Aug 18, 2025
f24a1e7
update testing.md, remove makefile link, fix bad text
lkorinth Aug 20, 2025
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11 changes: 8 additions & 3 deletions doc/testing.html
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Expand Up @@ -400,7 +400,8 @@ <h3 id="general-keywords-test_opts">General keywords (TEST_OPTS)</h3>
<h4 id="jobs">JOBS</h4>
<p>Currently only applies to JTReg.</p>
<h4 id="timeout_factor">TIMEOUT_FACTOR</h4>
<p>Currently only applies to JTReg.</p>
<p>Currently only applies to <a href="#timeout_factor-1">JTReg
-timeoutFactor</a>.</p>
<h4 id="java_options">JAVA_OPTIONS</h4>
<p>Applies to JTReg, GTest and Micro.</p>
<h4 id="vm_options">VM_OPTIONS</h4>
Expand Down Expand Up @@ -443,8 +444,12 @@ <h4 id="jobs-1">JOBS</h4>
<em>number of CPU cores/2</em>, but never more than <em>memory size in
GB/2</em>.</p>
<h4 id="timeout_factor-1">TIMEOUT_FACTOR</h4>
<p>The timeout factor (<code>-timeoutFactor</code>).</p>
<p>Defaults to 4.</p>
<p>The <code>TIMEOUT_FACTOR</code> is forwarded to JTReg framework
itself (<code>-timeoutFactor</code>). Also, some test cases that
programmatically wait a certain amount of time will apply this factor.
If we run in forced compilation mode (<code>-Xcomp</code>), the build
system will automatically adjust this factor to compensate for less
performance. Defaults to 1.</p>
<h4 id="failure_handler_timeout">FAILURE_HANDLER_TIMEOUT</h4>
<p>Sets the argument <code>-timeoutHandlerTimeout</code> for JTReg. The
default value is 0. This is only valid if the failure handler is
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10 changes: 6 additions & 4 deletions doc/testing.md
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Expand Up @@ -324,7 +324,7 @@ Currently only applies to JTReg.

#### TIMEOUT_FACTOR

Currently only applies to JTReg.
Currently only applies to [JTReg -timeoutFactor](#timeout_factor-1).

#### JAVA_OPTIONS

Expand Down Expand Up @@ -379,9 +379,11 @@ never more than *memory size in GB/2*.

#### TIMEOUT_FACTOR

The timeout factor (`-timeoutFactor`).

Defaults to 4.
The `TIMEOUT_FACTOR` is forwarded to JTReg framework itself
(`-timeoutFactor`). Also, some test cases that programmatically wait a
certain amount of time will apply this factor. If we run in forced
compilation mode (`-Xcomp`), the build system will automatically
adjust this factor to compensate for less performance. Defaults to 1.

#### FAILURE_HANDLER_TIMEOUT

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3 changes: 2 additions & 1 deletion make/RunTests.gmk
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Expand Up @@ -936,7 +936,8 @@ define SetupRunJtregTestBody
JTREG_ALL_OPTIONS := $$(JTREG_JAVA_OPTIONS) $$(JTREG_VM_OPTIONS)

JTREG_AUTO_PROBLEM_LISTS :=
JTREG_AUTO_TIMEOUT_FACTOR := 4
# Please reach consensus before changing this. It was not easy changing it to a `1`.
JTREG_AUTO_TIMEOUT_FACTOR := 1
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@sendaoYan sendaoYan Aug 15, 2025 •
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Since the default value of JTREG_AUTO_TIMEOUT_FACTOR set to 1 by default, then the value of JTREG_AUTO_TIMEOUT_FACTOR when run with -Xcomp should be change from 10 to 2.5

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It is unclear to me if the author meant this to be 2.5 more than normal or 10 more than JTREG default, or a multiplier that seems to work. It does not bother me more if it is a 10 then a 2.5, as it needs to have a value that is not the multiplicative identity value. I will not change this, the change I have made is already large enough and I want this to be integrated ASAP.

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It is also something that can be changed later, in a follow up fix.

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@sendaoYan sendaoYan Aug 19, 2025 •
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Take test test/hotspot/jtreg/compiler/arraycopy/stress/TestStressArrayCopy.java as example.
If there is a bug in jvm with -Xcomp option which will cause this test run time outed. Before this PR, it will take 7200*10 seconds to run this test finish and report time outed failure. But after this PR, it will take 28800*10 seconds to run this test finish and then report timed out failure. I think the 28800*10 senonds is too long and it's unacceptable.

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@dholmes-ora dholmes-ora Aug 19, 2025 •
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DELETED - I confused the timeout with the timeout-factor. New comment below.

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I do not think 4x longer timeouts for -Xcomp is unreasonable. I also do not want to make this huge change even bigger. If you would like to change it after the integration I think that would be valuable --- though my guess is that it could be quite a lot of work.

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@sendaoYan this PR changes the default timeoutFactor and so also has to change quite a number of implicit and explicit timeouts. But that doesn't mean that test configs that already set their own timeoutFactor should adjust by the same factor! That just doesn't work for any test with an implicit default timeout.

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@sendaoYan sendaoYan Aug 20, 2025 •
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Yes, this PR change the default timeoutFactor when the tested JVM options do not contains '-Xcomp', and at the same time also multiplies 4 of the timeout value defined in some tests.

So after this PR, the tests which the timeout value has been multiplied 4 will have more timeout value, when the tested JVM options contains '-Xcomp'.

I do agree this change, what I mean is this change has some side effect.

If you would like to change it after the integration I think that would be valuable --- though my guess is that it could be quite a lot of work.

I think I can try it in a new PR.

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I want to warn you before you put too much energy into it. Changing the -Xcomp timeout factor might have even bigger impact than my change. Also, I have no idea how well that flag is tested in open testing. That is, your change might look good for you --- but might cause havoc for companies doing more extensive testing.

I have still not received green light for integrating my change, because extensive testing is still being run (and other teams are evaluating). I advise against changing the flag. When I evaluate the benefit for the default timeout, it was mainly not the timeout in itself that was the problem, but the fact that most people have no idea that the timeout factor is applied and thus can not create or debug tests in a good way. I hope this helps you, and does not come out as too negative. I just feel that I have put too much energy into this, and I do not hope that struggle for you.

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@lkorinth Thanks for your advice sincerely. I think you are right, we need more evaluate cautiously before start to change the timeoutFactor for -Xcomp.


ifneq ($$(findstring -Xcomp, $$(JTREG_ALL_OPTIONS)), )
JTREG_AUTO_PROBLEM_LISTS += ProblemList-Xcomp.txt
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/arraycopy/stress/TestStressArrayCopy.java
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Expand Up @@ -51,7 +51,7 @@
* jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
*
* @run main/othervm/timeout=7200
* @run main/othervm/timeout=28800
* -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* compiler.arraycopy.stress.TestStressArrayCopy
*/
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/c1/TestConcurrentPatching.java
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Expand Up @@ -30,7 +30,7 @@
* @test
* @bug 8340313
* @summary Test that concurrent patching of oop immediates is thread-safe in C1.
* @run main/othervm/timeout=480 -Xcomp -XX:CompileCommand=compileonly,TestConcurrentPatching::* -XX:TieredStopAtLevel=1 TestConcurrentPatching
* @run main/othervm/timeout=1920 -Xcomp -XX:CompileCommand=compileonly,TestConcurrentPatching::* -XX:TieredStopAtLevel=1 TestConcurrentPatching
*/

class MyClass { }
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/c1/TestPinnedIntrinsics.java
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Expand Up @@ -25,7 +25,7 @@
* @test
* @bug 8184271
* @summary Test correct scheduling of System.nanoTime C1 intrinsic.
* @run main/othervm -XX:TieredStopAtLevel=1 -Xbatch
* @run main/othervm/timeout=480 -XX:TieredStopAtLevel=1 -Xbatch
* -XX:CompileCommand=dontinline,compiler.c1.TestPinnedIntrinsics::checkNanoTime
* compiler.c1.TestPinnedIntrinsics
*/
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6 changes: 3 additions & 3 deletions test/hotspot/jtreg/compiler/c2/TestMergeStores.java
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Expand Up @@ -37,7 +37,7 @@
* @summary Test merging of consecutive stores
* @modules java.base/jdk.internal.misc
* @library /test/lib /
* @run main compiler.c2.TestMergeStores aligned
* @run main/timeout=480 compiler.c2.TestMergeStores aligned
*/

/*
Expand All @@ -46,7 +46,7 @@
* @summary Test merging of consecutive stores
* @modules java.base/jdk.internal.misc
* @library /test/lib /
* @run main compiler.c2.TestMergeStores unaligned
* @run main/timeout=480 compiler.c2.TestMergeStores unaligned
*/

/*
Expand All @@ -55,7 +55,7 @@
* @summary Test merging of consecutive stores
* @modules java.base/jdk.internal.misc
* @library /test/lib /
* @run main compiler.c2.TestMergeStores StressIGVN
* @run main/timeout=480 compiler.c2.TestMergeStores StressIGVN
*/

public class TestMergeStores {
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4 changes: 2 additions & 2 deletions test/hotspot/jtreg/compiler/c2/TestScalarReplacementMaxLiveNodes.java
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Expand Up @@ -28,8 +28,8 @@
* @library /test/lib /
* @requires vm.debug & vm.compiler2.enabled
* @compile -XDstringConcat=inline TestScalarReplacementMaxLiveNodes.java
* @run main/othervm compiler.c2.TestScalarReplacementMaxLiveNodes
* @run main/othervm -Xbatch -XX:-OptimizeStringConcat -XX:-TieredCompilation
* @run main/othervm/timeout=480 compiler.c2.TestScalarReplacementMaxLiveNodes
* @run main/othervm/timeout=480 -Xbatch -XX:-OptimizeStringConcat -XX:-TieredCompilation
* -XX:+UnlockDiagnosticVMOptions -XX:+ReduceAllocationMerges
* -XX:CompileCommand=dontinline,compiler.c2.TestScalarReplacementMaxLiveNodes::test
* -XX:CompileCommand=compileonly,*TestScalarReplacementMaxLiveNodes*::*test*
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/c2/TestStressRecompilation.java
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Expand Up @@ -26,7 +26,7 @@
* @bug 8245801
* @requires vm.debug
* @summary Test running with StressRecompilation enabled.
* @run main/othervm -Xcomp -XX:+IgnoreUnrecognizedVMOptions -XX:+StressRecompilation
* @run main/othervm/timeout=480 -Xcomp -XX:+IgnoreUnrecognizedVMOptions -XX:+StressRecompilation
* compiler.c2.TestStressRecompilation
*/

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4 changes: 2 additions & 2 deletions test/hotspot/jtreg/compiler/classUnloading/methodUnloading/TestOverloadCompileQueues.java
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Expand Up @@ -26,9 +26,9 @@
* @bug 8163511 8230402
* @summary Test overloading the C1 and C2 compile queues with tasks.
* @requires !vm.graal.enabled
* @run main/othervm/timeout=300 -XX:-TieredCompilation -XX:CompileThreshold=2 -XX:CICompilerCount=1
* @run main/othervm/timeout=1200 -XX:-TieredCompilation -XX:CompileThreshold=2 -XX:CICompilerCount=1
* compiler.classUnloading.methodUnloading.TestOverloadCompileQueues
* @run main/othervm/timeout=300 -XX:TieredCompileTaskTimeout=1000 -XX:CompileThresholdScaling=0.001 -XX:CICompilerCount=2
* @run main/othervm/timeout=1200 -XX:TieredCompileTaskTimeout=1000 -XX:CompileThresholdScaling=0.001 -XX:CICompilerCount=2
* compiler.classUnloading.methodUnloading.TestOverloadCompileQueues
*/

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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/codegen/TestAntiDependenciesHighMemUsage2.java
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Expand Up @@ -25,7 +25,7 @@
* @test
* @bug 8333258
* @summary C2: high memory usage in PhaseCFG::raise_above_anti_dependences()
* @run main/othervm -XX:CompileOnly=TestAntiDependenciesHighMemUsage2::test1 -XX:-ClipInlining
* @run main/othervm/timeout=480 -XX:CompileOnly=TestAntiDependenciesHighMemUsage2::test1 -XX:-ClipInlining
* -XX:-BackgroundCompilation -XX:-TieredCompilation -XX:-UseOnStackReplacement TestAntiDependenciesHighMemUsage2
*/

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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/codegen/aes/TestCipherBlockChainingEncrypt.java
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Expand Up @@ -30,7 +30,7 @@
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
*
* @run main/othervm -Xbatch
* @run main/othervm/timeout=480 -Xbatch
* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:.
* compiler.codegen.aes.TestCipherBlockChainingEncrypt
*/
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/controldependency/TestLoadBypassesClassCast.java
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Expand Up @@ -26,7 +26,7 @@
* @summary C2: Load can bypass subtype check that enforces it's from the right object type
* @requires vm.gc.Parallel
* @requires vm.compiler2.enabled
* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileOnly=TestLoadBypassesClassCast::test
* @run main/othervm/timeout=480 -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement -XX:CompileOnly=TestLoadBypassesClassCast::test
* -XX:CompileThreshold=20000 -XX:LoopMaxUnroll=1 -XX:-LoopUnswitching -XX:+UseParallelGC TestLoadBypassesClassCast
*
*/
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/floatingpoint/TestFloatSyncJNIArgs.java
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Expand Up @@ -27,7 +27,7 @@
* @summary Regression test for passing float args to a synchronized jni function.
*
*
* @run main/othervm/native compiler.floatingpoint.TestFloatSyncJNIArgs
* @run main/othervm/native/timeout=480 compiler.floatingpoint.TestFloatSyncJNIArgs
*/

package compiler.floatingpoint;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/intrinsics/TestLongUnsignedDivMod.java
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Expand Up @@ -26,7 +26,7 @@
* @summary Test intrinsic for divideUnsigned() and remainderUnsigned() methods for Long
* @requires os.arch=="amd64" | os.arch=="x86_64" | os.arch=="riscv64" | os.arch=="aarch64"
* @library /test/lib /
* @run driver compiler.intrinsics.TestLongUnsignedDivMod
* @run driver/timeout=480 compiler.intrinsics.TestLongUnsignedDivMod
*/

package compiler.intrinsics;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/jsr292/ContinuousCallSiteTargetChange.java
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Expand Up @@ -28,7 +28,7 @@
*
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run driver/timeout=180 compiler.jsr292.ContinuousCallSiteTargetChange
* @run driver/timeout=720 compiler.jsr292.ContinuousCallSiteTargetChange
*/

package compiler.jsr292;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/jsr292/RedefineMethodUsedByMultipleMethodHandles.java
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Expand Up @@ -32,7 +32,7 @@
* jdk.attach
* @requires vm.jvmti
*
* @run main/othervm -Djdk.attach.allowAttachSelf compiler.jsr292.RedefineMethodUsedByMultipleMethodHandles
* @run main/othervm/timeout=480 -Djdk.attach.allowAttachSelf compiler.jsr292.RedefineMethodUsedByMultipleMethodHandles
*/

package compiler.jsr292;
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2 changes: 1 addition & 1 deletion ...g/compiler/jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/RedefineClassTest.java
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Expand Up @@ -30,7 +30,7 @@
* jdk.internal.vm.ci/jdk.vm.ci.runtime
* jdk.attach
* java.base/jdk.internal.misc
* @run junit/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:-UseJVMCICompiler -Djdk.attach.allowAttachSelf jdk.vm.ci.runtime.test.RedefineClassTest
* @run junit/othervm/timeout=480 -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:-UseJVMCICompiler -Djdk.attach.allowAttachSelf jdk.vm.ci.runtime.test.RedefineClassTest
*/

package jdk.vm.ci.runtime.test;
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2 changes: 1 addition & 1 deletion ...piler/jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/TestResolvedJavaMethod.java
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Expand Up @@ -40,7 +40,7 @@
* java.base/jdk.internal.misc
* java.base/jdk.internal.vm
* java.base/sun.reflect.annotation
* @run junit/othervm/timeout=240 -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:-UseJVMCICompiler jdk.vm.ci.runtime.test.TestResolvedJavaMethod
* @run junit/othervm/timeout=960 -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -XX:-UseJVMCICompiler jdk.vm.ci.runtime.test.TestResolvedJavaMethod
*/

package jdk.vm.ci.runtime.test;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/loopopts/TestMaxLoopOptsCountReached.java
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Expand Up @@ -26,7 +26,7 @@
* @bug 8284944
* @requires vm.compiler2.enabled
* @summary triggers the loop optimization phase `LoopOptsCount` many times
* @run main/othervm -Xcomp -XX:-PartialPeelLoop -XX:CompileCommand=compileonly,TestMaxLoopOptsCountReached::test TestMaxLoopOptsCountReached
* @run main/othervm/timeout=480 -Xcomp -XX:-PartialPeelLoop -XX:CompileCommand=compileonly,TestMaxLoopOptsCountReached::test TestMaxLoopOptsCountReached
*/

import java.lang.System.Logger.Level;
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8 changes: 4 additions & 4 deletions test/hotspot/jtreg/compiler/loopopts/TestPartialPeelAtUnsignedTestsNegativeLimit.java
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Expand Up @@ -25,7 +25,7 @@
* @test id=Xbatch
* @bug 8332920
* @summary Tests partial peeling at unsigned tests with limit being negative in exit tests "i >u limit".
* @run main/othervm -Xbatch -XX:-TieredCompilation
* @run main/othervm/timeout=480 -Xbatch -XX:-TieredCompilation
* -XX:CompileOnly=*TestPartialPeel*::original*,*TestPartialPeel*::test*
* compiler.loopopts.TestPartialPeelAtUnsignedTestsNegativeLimit
*/
Expand All @@ -34,7 +34,7 @@
* @test id=Xcomp-run-inline
* @bug 8332920
* @summary Tests partial peeling at unsigned tests with limit being negative in exit tests "i >u limit".
* @run main/othervm -Xcomp -XX:-TieredCompilation
* @run main/othervm/timeout=480 -Xcomp -XX:-TieredCompilation
* -XX:CompileOnly=*TestPartialPeel*::original*,*TestPartialPeel*::run*,*TestPartialPeel*::test*
* -XX:CompileCommand=inline,*TestPartialPeelAtUnsignedTestsNegativeLimit::test*
* -XX:CompileCommand=dontinline,*TestPartialPeelAtUnsignedTestsNegativeLimit::check
Expand All @@ -45,7 +45,7 @@
* @test id=Xcomp-compile-test
* @bug 8332920
* @summary Tests partial peeling at unsigned tests with limit being negative in exit tests "i >u limit".
* @run main/othervm -Xcomp -XX:-TieredCompilation -XX:CompileOnly=*TestPartialPeel*::original*,*TestPartialPeel*::test*
* @run main/othervm/timeout=480 -Xcomp -XX:-TieredCompilation -XX:CompileOnly=*TestPartialPeel*::original*,*TestPartialPeel*::test*
* compiler.loopopts.TestPartialPeelAtUnsignedTestsNegativeLimit
*/

Expand All @@ -55,7 +55,7 @@
* @requires vm.flavor == "server" & (vm.opt.TieredStopAtLevel == null | vm.opt.TieredStopAtLevel == 4)
* @summary Tests partial peeling at unsigned tests with limit being negative in exit tests "i >u limit".
* Only run this test with C2 since it is time-consuming and only tests a C2 issue.
* @run main compiler.loopopts.TestPartialPeelAtUnsignedTestsNegativeLimit
* @run main/timeout=480 compiler.loopopts.TestPartialPeelAtUnsignedTestsNegativeLimit
*/

package compiler.loopopts;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/loopopts/superword/ProdRed_Double.java
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Expand Up @@ -26,7 +26,7 @@
* @bug 8074981
* @summary Add C2 x86 Superword support for scalar product reduction optimizations : float test
* @library /test/lib /
* @run driver compiler.loopopts.superword.ProdRed_Double
* @run driver/timeout=480 compiler.loopopts.superword.ProdRed_Double
*/

package compiler.loopopts.superword;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/loopopts/superword/ProdRed_Float.java
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Expand Up @@ -26,7 +26,7 @@
* @bug 8074981
* @summary Add C2 x86 Superword support for scalar product reduction optimizations : float test
* @library /test/lib /
* @run driver compiler.loopopts.superword.ProdRed_Float
* @run driver/timeout=480 compiler.loopopts.superword.ProdRed_Float
*/

package compiler.loopopts.superword;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/loopopts/superword/ProdRed_Int.java
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Expand Up @@ -26,7 +26,7 @@
* @bug 8074981
* @summary Add C2 x86 Superword support for scalar product reduction optimizations : int test
* @library /test/lib /
* @run driver compiler.loopopts.superword.ProdRed_Int
* @run driver/timeout=480 compiler.loopopts.superword.ProdRed_Int
*/

package compiler.loopopts.superword;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Double.java
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Expand Up @@ -26,7 +26,7 @@
* @bug 8138583
* @summary Add C2 AArch64 Superword support for scalar sum reduction optimizations : double abs & neg test
* @library /test/lib /
* @run driver compiler.loopopts.superword.SumRedAbsNeg_Double
* @run driver/timeout=480 compiler.loopopts.superword.SumRedAbsNeg_Double
*/

package compiler.loopopts.superword;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Float.java
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Expand Up @@ -26,7 +26,7 @@
* @bug 8138583
* @summary Add C2 AArch64 Superword support for scalar sum reduction optimizations : float abs & neg test
* @library /test/lib /
* @run driver compiler.loopopts.superword.SumRedAbsNeg_Float
* @run driver/timeout=480 compiler.loopopts.superword.SumRedAbsNeg_Float
*/

package compiler.loopopts.superword;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/loopopts/superword/SumRedSqrt_Double.java
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* @bug 8135028
* @summary Add C2 x86 Superword support for scalar sum reduction optimizations : double sqrt test
* @library /test/lib /
* @run driver compiler.loopopts.superword.SumRedSqrt_Double
* @run driver/timeout=480 compiler.loopopts.superword.SumRedSqrt_Double
*/


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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Double.java
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* @bug 8074981
* @summary Add C2 x86 Superword support for scalar sum reduction optimizations : double test
* @library /test/lib /
* @run driver compiler.loopopts.superword.SumRed_Double
* @run driver/timeout=480 compiler.loopopts.superword.SumRed_Double
*/

package compiler.loopopts.superword;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Float.java
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Expand Up @@ -26,7 +26,7 @@
* @bug 8074981
* @summary Add C2 x86 Superword support for scalar sum reduction optimizations : float test
* @library /test/lib /
* @run driver compiler.loopopts.superword.SumRed_Float
* @run driver/timeout=480 compiler.loopopts.superword.SumRed_Float
*/

package compiler.loopopts.superword;
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2 changes: 1 addition & 1 deletion test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Int.java
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* @bug 8074981
* @summary Add C2 x86 Superword support for scalar sum reduction optimizations : int test
* @library /test/lib /
* @run driver compiler.loopopts.superword.SumRed_Int
* @run driver/timeout=480 compiler.loopopts.superword.SumRed_Int
*/

package compiler.loopopts.superword;
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