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8049737: Contended Locking reorder and cache line bucket

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JEP-143/JDK-8046133 - optimization #1 - reorder and cache line bucket.

Co-authored-by: Dave Dice <dave.dice@oracle.com>
Co-authored-by: Karen Kinnear <karen.kinnear@oracle.com>
Reviewed-by: shade, dice, dholmes, dsimms
This commit is contained in:
Daniel D. Daugherty 2014-10-14 10:32:12 -07:00
parent 51866388d1
commit f1ab0fae73
13 changed files with 302 additions and 247 deletions
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2
hotspot/src/share/vm/runtime/synchronizer.hpp
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@ -134,6 +134,8 @@ class ObjectSynchronizer : AllStatic {
private:
enum { _BLOCKSIZE = 128 };
// gBlockList is really PaddedEnd<ObjectMonitor> *, but we don't
// want to expose the PaddedEnd template more than necessary.
static ObjectMonitor* gBlockList;
static ObjectMonitor * volatile gFreeList;
// global monitor in use list, for moribund threads,