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comparison src/share/vm/gc_implementation/g1/g1RemSet.cpp @ 22906:ad32e85474ff

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8051837: Remove temporary G1UseParallelRSetUpdating and G1UseParallelRSetScanning flags Reviewed-by: stefank, tschatzl Contributed-by: marcus.larsson@oracle.com
author brutisso
date Thu, 07 Aug 2014 09:35:08 +0200
parents 8e9ede9dd2cd
children c3fcc09c9239
comparison
equal deleted inserted replaced
22905:8e9ede9dd2cd 22906:ad32e85474ff
339 // DirtyCardQueueSet that is used to manage RSet updates 339 // DirtyCardQueueSet that is used to manage RSet updates
340 DirtyCardQueue into_cset_dcq(&_g1->into_cset_dirty_card_queue_set()); 340 DirtyCardQueue into_cset_dcq(&_g1->into_cset_dirty_card_queue_set());
341 341
342 assert((ParallelGCThreads > 0) || worker_i == 0, "invariant"); 342 assert((ParallelGCThreads > 0) || worker_i == 0, "invariant");
343 343
344 // The two flags below were introduced temporarily to serialize 344 updateRS(&into_cset_dcq, worker_i);
345 // the updating and scanning of remembered sets. There are some 345 scanRS(oc, code_root_cl, worker_i);
346 // race conditions when these two operations are done in parallel
347 // and they are causing failures. When we resolve said race
348 // conditions, we'll revert back to parallel remembered set
349 // updating and scanning. See CRs 6677707 and 6677708.
350 if (G1UseParallelRSetUpdating || (worker_i == 0)) {
351 updateRS(&into_cset_dcq, worker_i);
352 } else {
353 _g1p->phase_times()->record_update_rs_processed_buffers(worker_i, 0);
354 _g1p->phase_times()->record_update_rs_time(worker_i, 0.0);
355 }
356 if (G1UseParallelRSetScanning || (worker_i == 0)) {
357 scanRS(oc, code_root_cl, worker_i);
358 } else {
359 _g1p->phase_times()->record_scan_rs_time(worker_i, 0.0);
360 }
361 346
362 // We now clear the cached values of _cset_rs_update_cl for this worker 347 // We now clear the cached values of _cset_rs_update_cl for this worker
363 _cset_rs_update_cl[worker_i] = NULL; 348 _cset_rs_update_cl[worker_i] = NULL;
364 } 349 }
365 350