Mercurial > hg > graal-compiler
diff src/share/vm/gc_implementation/g1/g1_globals.hpp @ 1261:0414c1049f15
6923991: G1: improve scalability of RSet scanning
Summary: Implemented block-based work stealing. Moved copying during the rset scanning phase to the main copying phase. Made the size of rset table depend on the region size.
Reviewed-by: apetrusenko, tonyp
| author | iveresov |
|---|---|
| date | Thu, 11 Feb 2010 15:52:19 -0800 |
| parents | 34fb2662f6c2 |
| children | b81f3572f355 |
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/g1/g1_globals.hpp Tue Feb 09 13:56:09 2010 -0800 +++ b/src/share/vm/gc_implementation/g1/g1_globals.hpp Thu Feb 11 15:52:19 2010 -0800 @@ -207,8 +207,20 @@ develop(bool, G1PrintOopAppls, false, \ "When true, print applications of closures to external locs.") \ \ - develop(intx, G1LogRSRegionEntries, 7, \ - "Log_2 of max number of regions for which we keep bitmaps.") \ + develop(intx, G1RSetRegionEntriesBase, 256, \ + "Max number of regions in a fine-grain table per MB.") \ + \ + product(intx, G1RSetRegionEntries, 0, \ + "Max number of regions for which we keep bitmaps." \ + "Will be set ergonomically by default") \ + \ + develop(intx, G1RSetSparseRegionEntriesBase, 4, \ + "Max number of entries per region in a sparse table " \ + "per MB.") \ + \ + product(intx, G1RSetSparseRegionEntries, 0, \ + "Max number of entries per region in a sparse table." \ + "Will be set ergonomically by default.") \ \ develop(bool, G1RecordHRRSOops, false, \ "When true, record recent calls to rem set operations.") \ @@ -293,6 +305,10 @@ develop(bool, G1VerifyCTCleanup, false, \ "Verify card table cleanup.") \ \ + product(uintx, G1RSetScanBlockSize, 64, \ + "Size of a work unit of cards claimed by a worker thread" \ + "during RSet scanning.") \ + \ develop(bool, ReduceInitialCardMarksForG1, false, \ "When ReduceInitialCardMarks is true, this flag setting " \ " controls whether G1 allows the RICM optimization")