< prev index next >

src/share/vm/gc/parallel/psCompactionManager.inline.hpp

Print this page
rev 10335 : 8151101: Improve UseParallelGC parallelization of object array processing
Contributed-by: richard.reingruber@sap.com


 108   cld->oops_do(&mark_and_push_closure, &follow_klass_closure, true);
 109 }
 110 
 111 inline void ParCompactionManager::follow_contents(oop obj) {
 112   assert(PSParallelCompact::mark_bitmap()->is_marked(obj), "should be marked");
 113   obj->pc_follow_contents(this);
 114 }
 115 
 116 template <class T>
 117 inline void oop_pc_follow_contents_specialized(objArrayOop obj, int index, ParCompactionManager* cm) {
 118   const size_t len = size_t(obj->length());
 119   const size_t beg_index = size_t(index);
 120   assert(beg_index < len || len == 0, "index too large");
 121 
 122   const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);
 123   const size_t end_index = beg_index + stride;
 124   T* const base = (T*)obj->base();
 125   T* const beg = base + beg_index;
 126   T* const end = base + end_index;
 127 




 128   // Push the non-NULL elements of the next stride on the marking stack.
 129   for (T* e = beg; e < end; e++) {
 130     cm->mark_and_push<T>(e);
 131   }
 132 
 133   if (end_index < len) {
 134     cm->push_objarray(obj, end_index); // Push the continuation.
 135   }
 136 }
 137 
 138 inline void ParCompactionManager::follow_contents(objArrayOop obj, int index) {
 139   if (UseCompressedOops) {
 140     oop_pc_follow_contents_specialized<narrowOop>(obj, index, this);
 141   } else {
 142     oop_pc_follow_contents_specialized<oop>(obj, index, this);
 143   }
 144 }
 145 
 146 inline void ParCompactionManager::update_contents(oop obj) {
 147   obj->pc_update_contents(this);
 148 }
 149 
 150 #endif // SHARE_VM_GC_PARALLEL_PSCOMPACTIONMANAGER_INLINE_HPP


 108   cld->oops_do(&mark_and_push_closure, &follow_klass_closure, true);
 109 }
 110 
 111 inline void ParCompactionManager::follow_contents(oop obj) {
 112   assert(PSParallelCompact::mark_bitmap()->is_marked(obj), "should be marked");
 113   obj->pc_follow_contents(this);
 114 }
 115 
 116 template <class T>
 117 inline void oop_pc_follow_contents_specialized(objArrayOop obj, int index, ParCompactionManager* cm) {
 118   const size_t len = size_t(obj->length());
 119   const size_t beg_index = size_t(index);
 120   assert(beg_index < len || len == 0, "index too large");
 121 
 122   const size_t stride = MIN2(len - beg_index, ObjArrayMarkingStride);
 123   const size_t end_index = beg_index + stride;
 124   T* const base = (T*)obj->base();
 125   T* const beg = base + beg_index;
 126   T* const end = base + end_index;
 127 
 128   if (end_index < len) {
 129     cm->push_objarray(obj, end_index); // Push the continuation.
 130   }
 131 
 132   // Push the non-NULL elements of the next stride on the marking stack.
 133   for (T* e = beg; e < end; e++) {
 134     cm->mark_and_push<T>(e);




 135   }
 136 }
 137 
 138 inline void ParCompactionManager::follow_contents(objArrayOop obj, int index) {
 139   if (UseCompressedOops) {
 140     oop_pc_follow_contents_specialized<narrowOop>(obj, index, this);
 141   } else {
 142     oop_pc_follow_contents_specialized<oop>(obj, index, this);
 143   }
 144 }
 145 
 146 inline void ParCompactionManager::update_contents(oop obj) {
 147   obj->pc_update_contents(this);
 148 }
 149 
 150 #endif // SHARE_VM_GC_PARALLEL_PSCOMPACTIONMANAGER_INLINE_HPP
< prev index next >