Mercurial > hg > truffle
changeset 20241:bcd72ab4d91f
8024366: Make UseNUMA enable UseNUMAInterleaving
Reviewed-by: mgerdin
Contributed-by: shrinivas.joshi@oracle.com
author | jmasa |
---|---|
date | Thu, 16 Jan 2014 13:25:25 -0800 |
parents | eee19efa6c0f |
children | d14a18794c90 009de2b033fc |
files | src/share/vm/runtime/arguments.cpp |
diffstat | 1 files changed, 14 insertions(+), 8 deletions(-) [+] |
line wrap: on
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--- a/src/share/vm/runtime/arguments.cpp Fri Aug 01 11:23:06 2014 -0700 +++ b/src/share/vm/runtime/arguments.cpp Thu Jan 16 13:25:25 2014 -0800 @@ -3835,18 +3835,24 @@ } jint Arguments::adjust_after_os() { -#if INCLUDE_ALL_GCS - if (UseParallelGC || UseParallelOldGC) { - if (UseNUMA) { + if (UseNUMA) { + if (UseParallelGC || UseParallelOldGC) { if (FLAG_IS_DEFAULT(MinHeapDeltaBytes)) { - FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); + FLAG_SET_DEFAULT(MinHeapDeltaBytes, 64*M); } - // For those collectors or operating systems (eg, Windows) that do - // not support full UseNUMA, we will map to UseNUMAInterleaving for now - UseNUMAInterleaving = true; + } + // UseNUMAInterleaving is set to ON for all collectors and + // platforms when UseNUMA is set to ON. NUMA-aware collectors + // such as the parallel collector for Linux and Solaris will + // interleave old gen and survivor spaces on top of NUMA + // allocation policy for the eden space. + // Non NUMA-aware collectors such as CMS, G1 and Serial-GC on + // all platforms and ParallelGC on Windows will interleave all + // of the heap spaces across NUMA nodes. + if (FLAG_IS_DEFAULT(UseNUMAInterleaving)) { + FLAG_SET_ERGO(bool, UseNUMAInterleaving, true); } } -#endif // INCLUDE_ALL_GCS return JNI_OK; }