openjdk · lkorinth · May 5, 2025 · Aug 13, 2025 · Aug 15, 2025 · Aug 18, 2025
diff --git a/doc/testing.html b/doc/testing.html
@@ -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>
@@ -443,8 +444,13 @@ <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>), <a
+href="../make/RunTests.gmk">RunTest.gmk</a> will automatically adjust
+this factor to compensate for the interpreter not being as fast as JITed
+code. 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

diff --git a/doc/testing.md b/doc/testing.md
@@ -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
 
@@ -379,9 +379,12 @@ 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`), [RunTest.gmk](../make/RunTests.gmk)
+will automatically adjust this factor to compensate for the
+interpreter not being as fast as JITed code. Defaults to 1.
 
 #### FAILURE_HANDLER_TIMEOUT
 

diff --git a/make/RunTests.gmk b/make/RunTests.gmk
@@ -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
 
   ifneq ($$(findstring -Xcomp, $$(JTREG_ALL_OPTIONS)), )
     JTREG_AUTO_PROBLEM_LISTS += ProblemList-Xcomp.txt

diff --git a/test/hotspot/jtreg/compiler/arraycopy/stress/TestStressArrayCopy.java b/test/hotspot/jtreg/compiler/arraycopy/stress/TestStressArrayCopy.java
@@ -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
  */

diff --git a/test/hotspot/jtreg/compiler/c1/TestConcurrentPatching.java b/test/hotspot/jtreg/compiler/c1/TestConcurrentPatching.java
@@ -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 { }

diff --git a/test/hotspot/jtreg/compiler/c1/TestPinnedIntrinsics.java b/test/hotspot/jtreg/compiler/c1/TestPinnedIntrinsics.java
@@ -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
  */

diff --git a/test/hotspot/jtreg/compiler/c2/TestMergeStores.java b/test/hotspot/jtreg/compiler/c2/TestMergeStores.java
@@ -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
  */
 
 /*
@@ -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
  */
 
 /*
@@ -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 {

diff --git a/test/hotspot/jtreg/compiler/c2/TestScalarReplacementMaxLiveNodes.java b/test/hotspot/jtreg/compiler/c2/TestScalarReplacementMaxLiveNodes.java
@@ -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*

diff --git a/test/hotspot/jtreg/compiler/c2/TestStressRecompilation.java b/test/hotspot/jtreg/compiler/c2/TestStressRecompilation.java
@@ -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
  */
 

diff --git a/test/hotspot/jtreg/compiler/classUnloading/methodUnloading/TestOverloadCompileQueues.java b/test/hotspot/jtreg/compiler/classUnloading/methodUnloading/TestOverloadCompileQueues.java
@@ -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
  */
 

diff --git a/test/hotspot/jtreg/compiler/codegen/TestAntiDependenciesHighMemUsage2.java b/test/hotspot/jtreg/compiler/codegen/TestAntiDependenciesHighMemUsage2.java
@@ -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
  */
 

diff --git a/test/hotspot/jtreg/compiler/codegen/aes/TestCipherBlockChainingEncrypt.java b/test/hotspot/jtreg/compiler/codegen/aes/TestCipherBlockChainingEncrypt.java
@@ -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
  */

diff --git a/test/hotspot/jtreg/compiler/controldependency/TestLoadBypassesClassCast.java b/test/hotspot/jtreg/compiler/controldependency/TestLoadBypassesClassCast.java
@@ -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
  *
  */

diff --git a/test/hotspot/jtreg/compiler/floatingpoint/TestFloatSyncJNIArgs.java b/test/hotspot/jtreg/compiler/floatingpoint/TestFloatSyncJNIArgs.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/intrinsics/TestLongUnsignedDivMod.java b/test/hotspot/jtreg/compiler/intrinsics/TestLongUnsignedDivMod.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/jsr292/ContinuousCallSiteTargetChange.java b/test/hotspot/jtreg/compiler/jsr292/ContinuousCallSiteTargetChange.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/jsr292/RedefineMethodUsedByMultipleMethodHandles.java b/test/hotspot/jtreg/compiler/jsr292/RedefineMethodUsedByMultipleMethodHandles.java
@@ -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;

diff --git a/...g/compiler/jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/RedefineClassTest.java b/...g/compiler/jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/RedefineClassTest.java
@@ -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;

diff --git a/...piler/jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/TestResolvedJavaMethod.java b/...piler/jvmci/jdk.vm.ci.runtime.test/src/jdk/vm/ci/runtime/test/TestResolvedJavaMethod.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/loopopts/TestMaxLoopOptsCountReached.java b/test/hotspot/jtreg/compiler/loopopts/TestMaxLoopOptsCountReached.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/loopopts/TestPartialPeelAtUnsignedTestsNegativeLimit.java b/test/hotspot/jtreg/compiler/loopopts/TestPartialPeelAtUnsignedTestsNegativeLimit.java
@@ -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
  */
@@ -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
@@ -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
  */
 
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/ProdRed_Double.java b/test/hotspot/jtreg/compiler/loopopts/superword/ProdRed_Double.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/ProdRed_Float.java b/test/hotspot/jtreg/compiler/loopopts/superword/ProdRed_Float.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/ProdRed_Int.java b/test/hotspot/jtreg/compiler/loopopts/superword/ProdRed_Int.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Double.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Double.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Float.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRedAbsNeg_Float.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRedSqrt_Double.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRedSqrt_Double.java
@@ -26,7 +26,7 @@
  * @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
  */
 
 

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Double.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Double.java
@@ -26,7 +26,7 @@
  * @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;

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Float.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Float.java
@@ -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;

diff --git a/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Int.java b/test/hotspot/jtreg/compiler/loopopts/superword/SumRed_Int.java
@@ -26,7 +26,7 @@
  * @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;