Mercurial > hg > graal-jvmci-8

comparison src/share/vm/gc_implementation/g1/heapRegion.hpp @ 4097:dc467e8b2c5e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
7112743: G1: Reduce overhead of marking closure during evacuation pauses Summary: Parallelize the serial code that was used to mark objects reachable from survivor objects in the collection set. Some minor improvments in the timers used to track the freeing of the collection set along with some tweaks to PrintGCDetails. Reviewed-by: tonyp, brutisso
author johnc
date Thu, 17 Nov 2011 12:40:15 -0800
parents 6071e0581859
children 023652e49ac0
comparison
equal deleted inserted replaced
4096:00dd86e542eb 4097:dc467e8b2c5e
365 // throughout the JVM's execution, therefore they should only be set 365 // throughout the JVM's execution, therefore they should only be set
366 // up once during initialization time. 366 // up once during initialization time.
367 static void setup_heap_region_size(uintx min_heap_size); 367 static void setup_heap_region_size(uintx min_heap_size);
368 368
369 enum ClaimValues { 369 enum ClaimValues {
370 InitialClaimValue = 0, 370 InitialClaimValue = 0,
371 FinalCountClaimValue = 1, 371 FinalCountClaimValue = 1,
372 NoteEndClaimValue = 2, 372 NoteEndClaimValue = 2,
373 ScrubRemSetClaimValue = 3, 373 ScrubRemSetClaimValue = 3,
374 ParVerifyClaimValue = 4, 374 ParVerifyClaimValue = 4,
375 RebuildRSClaimValue = 5 375 RebuildRSClaimValue = 5,
376 CompleteMarkCSetClaimValue = 6
376 }; 377 };
377 378
378 inline HeapWord* par_allocate_no_bot_updates(size_t word_size) { 379 inline HeapWord* par_allocate_no_bot_updates(size_t word_size) {
379 assert(is_young(), "we can only skip BOT updates on young regions"); 380 assert(is_young(), "we can only skip BOT updates on young regions");
380 return ContiguousSpace::par_allocate(word_size); 381 return ContiguousSpace::par_allocate(word_size);