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Issue 9233050: Reduce memory use immediately after boot. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 8 years, 10 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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280 280
281 void IncrementalMarking::SetOldSpacePageFlags(MemoryChunk* chunk, 281 void IncrementalMarking::SetOldSpacePageFlags(MemoryChunk* chunk,
282 bool is_marking, 282 bool is_marking,
283 bool is_compacting) { 283 bool is_compacting) {
284 if (is_marking) { 284 if (is_marking) {
285 chunk->SetFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING); 285 chunk->SetFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING);
286 chunk->SetFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING); 286 chunk->SetFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING);
287 287
288 // It's difficult to filter out slots recorded for large objects. 288 // It's difficult to filter out slots recorded for large objects.
289 if (chunk->owner()->identity() == LO_SPACE && 289 if (chunk->owner()->identity() == LO_SPACE &&
290 chunk->size() > static_cast<size_t>(Page::kPageSize) && 290 chunk->size() > Page::kPageSize &&
291 is_compacting) { 291 is_compacting) {
292 chunk->SetFlag(MemoryChunk::RESCAN_ON_EVACUATION); 292 chunk->SetFlag(MemoryChunk::RESCAN_ON_EVACUATION);
293 } 293 }
294 } else if (chunk->owner()->identity() == CELL_SPACE || 294 } else if (chunk->owner()->identity() == CELL_SPACE ||
295 chunk->scan_on_scavenge()) { 295 chunk->scan_on_scavenge()) {
296 chunk->ClearFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING); 296 chunk->ClearFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING);
297 chunk->ClearFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING); 297 chunk->ClearFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING);
298 } else { 298 } else {
299 chunk->ClearFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING); 299 chunk->ClearFlag(MemoryChunk::POINTERS_TO_HERE_ARE_INTERESTING);
300 chunk->SetFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING); 300 chunk->SetFlag(MemoryChunk::POINTERS_FROM_HERE_ARE_INTERESTING);
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916 allocation_marking_factor_ = kInitialAllocationMarkingFactor; 916 allocation_marking_factor_ = kInitialAllocationMarkingFactor;
917 bytes_scanned_ = 0; 917 bytes_scanned_ = 0;
918 } 918 }
919 919
920 920
921 int64_t IncrementalMarking::SpaceLeftInOldSpace() { 921 int64_t IncrementalMarking::SpaceLeftInOldSpace() {
922 return heap_->MaxOldGenerationSize() - heap_->PromotedSpaceSize(); 922 return heap_->MaxOldGenerationSize() - heap_->PromotedSpaceSize();
923 } 923 }
924 924
925 } } // namespace v8::internal 925 } } // namespace v8::internal
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