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8243961: ForceNUMA and only one available NUMA node fails assertion on Windows

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Improve ergnomics for UseNUMA and UseNUMAInterleaving

Reviewed-by: tschatzl, sjohanss
This commit is contained in:
Kim Barrett 2020-05-05 22:34:54 -04:00
parent 317bd88e33
commit 7ae3bea212
6 changed files with 28 additions and 19 deletions
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8
src/hotspot/share/runtime/arguments.cpp
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@ -4158,14 +4158,6 @@ jint Arguments::adjust_after_os() {
FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M);
}
}
// UseNUMAInterleaving is set to ON for all collectors and platforms when
// UseNUMA is set to ON. NUMA-aware collectors will interleave old gen and
// survivor spaces on top of NUMA allocation policy for the eden space.
// Non NUMA-aware collectors will interleave all of the heap spaces across
// NUMA nodes.
if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) {
FLAG_SET_ERGO(UseNUMAInterleaving, true);
}
}
return JNI_OK;
}