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diff src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp @ 1706:9d7a8ab3736b

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6962589: remove breadth first scanning code from parallel gc Summary: Remove the breadth-first copying order from ParallelScavenge and use depth-first by default. Reviewed-by: jcoomes, ysr, johnc
author tonyp
date Thu, 22 Jul 2010 10:27:41 -0400
parents b2a00dd3117c
children 894b1d7c7e01
line wrap: on
line diff
--- a/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	Mon Aug 02 12:51:43 2010 -0700
+++ b/src/share/vm/gc_implementation/parallelScavenge/psScavenge.cpp	Thu Jul 22 10:27:41 2010 -0400
@@ -157,10 +157,8 @@
     q->enqueue(new PSRefProcTaskProxy(task, i));
   }
   ParallelTaskTerminator terminator(
-    ParallelScavengeHeap::gc_task_manager()->workers(),
-    UseDepthFirstScavengeOrder ?
-        (TaskQueueSetSuper*) PSPromotionManager::stack_array_depth()
-      : (TaskQueueSetSuper*) PSPromotionManager::stack_array_breadth());
+                 ParallelScavengeHeap::gc_task_manager()->workers(),
+                 (TaskQueueSetSuper*) PSPromotionManager::stack_array_depth());
   if (task.marks_oops_alive() && ParallelGCThreads > 1) {
     for (uint j=0; j<ParallelGCThreads; j++) {
       q->enqueue(new StealTask(&terminator));
@@ -375,10 +373,8 @@
       q->enqueue(new ScavengeRootsTask(ScavengeRootsTask::code_cache));
 
       ParallelTaskTerminator terminator(
-        gc_task_manager()->workers(),
-        promotion_manager->depth_first() ?
-            (TaskQueueSetSuper*) promotion_manager->stack_array_depth()
-          : (TaskQueueSetSuper*) promotion_manager->stack_array_breadth());
+                  gc_task_manager()->workers(),
+                  (TaskQueueSetSuper*) promotion_manager->stack_array_depth());
       if (ParallelGCThreads>1) {
         for (uint j=0; j<ParallelGCThreads; j++) {
           q->enqueue(new StealTask(&terminator));