JDK-8331185 : Enable compiler memory limits in debug builds
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 23
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2024-04-26
  • Updated: 2024-11-11
  • Resolved: 2024-05-08
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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

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JDK 23
23 b21Fixed
Related Reports
Blocks :  
JDK-8331344 - No compiler replay file with CompilerCommand MemLimit
Relates :  
JDK-8318016 - Per-compilation memory ceiling
Relates :  
JDK-8333697 - C2: Hit MemLimit in PhaseCFG::global_code_motion
Relates :  
JDK-8332537 - C2: High memory usage reported for compiler/loopopts/superword/TestAlignVectorFuzzer.java
Relates :  
JDK-8331295 - C2: High memory usage reported in PhaseChaitin::Split
Relates :  
JDK-8331283 - [AArch64] C2: Register Allocator uses > 1GB in compiler/c2/TestFindNode.java
Relates :  
JDK-8337821 - C2: Hit MemLimit in PhaseChaitin::Split in VectorReplicateLongSpecialImmTest.java
Relates :  
JDK-8343038 - C2: TestScalarReplacementMaxLiveNodes.java fails with fatal error: Hit MemLimit in escape analysis
Relates :  
JDK-8333258 - C2: high memory usage in PhaseCFG::insert_anti_dependences()
Description
As discussed in [1], we'd like to introduce a default memory limit for debug builds of the JVM. That way, we can catch pathological compiler errors that have unreasonably high memory footprint as one of their symptoms early during testing.


[1] https://mail.openjdk.org/pipermail/hotspot-compiler-dev/2024-April/074787.html
Comments
Changeset: ad78b7fa Author: Thomas Stuefe <stuefe@openjdk.org> Date: 2024-05-08 10:38:09 +0000 URL: https://git.openjdk.org/jdk/commit/ad78b7fa67ba30cab2e8f496e4c765be15deeca6
08-05-2024
I pushed changes to closed test to avoid memory limit check and bot closed this RFE as fixed. Reopening it for open changes which still in work.
30-04-2024
A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/18969 Date: 2024-04-26 10:04:28 +0000
26-04-2024