Mercurial > hg > truffle
comparison src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp @ 4097:dc467e8b2c5e
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 | bca17e38de00 |
| children | 3c648b9ad052 |
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| 4096:00dd86e542eb | 4097:dc467e8b2c5e |
|---|---|
| 1292 // It resets all the region claim values to the default. | 1292 // It resets all the region claim values to the default. |
| 1293 void reset_heap_region_claim_values(); | 1293 void reset_heap_region_claim_values(); |
| 1294 | 1294 |
| 1295 #ifdef ASSERT | 1295 #ifdef ASSERT |
| 1296 bool check_heap_region_claim_values(jint claim_value); | 1296 bool check_heap_region_claim_values(jint claim_value); |
| 1297 | |
| 1298 // Same as the routine above but only checks regions in the | |
| 1299 // current collection set. | |
| 1300 bool check_cset_heap_region_claim_values(jint claim_value); | |
| 1297 #endif // ASSERT | 1301 #endif // ASSERT |
| 1302 | |
| 1303 // Given the id of a worker, calculate a suitable | |
| 1304 // starting region for iterating over the current | |
| 1305 // collection set. | |
| 1306 HeapRegion* start_cset_region_for_worker(int worker_i); | |
| 1298 | 1307 |
| 1299 // Iterate over the regions (if any) in the current collection set. | 1308 // Iterate over the regions (if any) in the current collection set. |
| 1300 void collection_set_iterate(HeapRegionClosure* blk); | 1309 void collection_set_iterate(HeapRegionClosure* blk); |
| 1301 | 1310 |
| 1302 // As above but starting from region r | 1311 // As above but starting from region r |