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Issue 9535013: Merge r10809 from the bleeding_edge to the 3.8 branch. (Closed) Base URL: http://v8.googlecode.com/svn/branches/3.8/
Patch Set: Created 8 years, 9 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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81 CHECK(!heap->AllocateFixedArray(kOldPointerSpaceFillerLength, TENURED)-> 81 CHECK(!heap->AllocateFixedArray(kOldPointerSpaceFillerLength, TENURED)->
82 IsFailure()); 82 IsFailure());
83 } 83 }
84 CHECK(!heap->AllocateFixedArray(kOldPointerSpaceFillerLength, TENURED)-> 84 CHECK(!heap->AllocateFixedArray(kOldPointerSpaceFillerLength, TENURED)->
85 IsFailure()); 85 IsFailure());
86 86
87 // Large object space. 87 // Large object space.
88 static const int kLargeObjectSpaceFillerLength = 300000; 88 static const int kLargeObjectSpaceFillerLength = 300000;
89 static const int kLargeObjectSpaceFillerSize = FixedArray::SizeFor( 89 static const int kLargeObjectSpaceFillerSize = FixedArray::SizeFor(
90 kLargeObjectSpaceFillerLength); 90 kLargeObjectSpaceFillerLength);
91 ASSERT(kLargeObjectSpaceFillerSize > heap->MaxObjectSizeInPagedSpace()); 91 ASSERT(kLargeObjectSpaceFillerSize > heap->old_pointer_space()->AreaSize());
92 while (heap->OldGenerationSpaceAvailable() > kLargeObjectSpaceFillerSize) { 92 while (heap->OldGenerationSpaceAvailable() > kLargeObjectSpaceFillerSize) {
93 CHECK(!heap->AllocateFixedArray(kLargeObjectSpaceFillerLength, TENURED)-> 93 CHECK(!heap->AllocateFixedArray(kLargeObjectSpaceFillerLength, TENURED)->
94 IsFailure()); 94 IsFailure());
95 } 95 }
96 CHECK(!heap->AllocateFixedArray(kLargeObjectSpaceFillerLength, TENURED)-> 96 CHECK(!heap->AllocateFixedArray(kLargeObjectSpaceFillerLength, TENURED)->
97 IsFailure()); 97 IsFailure());
98 98
99 // Map space. 99 // Map space.
100 MapSpace* map_space = heap->map_space(); 100 MapSpace* map_space = heap->map_space();
101 static const int kMapSpaceFillerSize = Map::kSize; 101 static const int kMapSpaceFillerSize = Map::kSize;
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207 Isolate::Current()->InitializeLoggingAndCounters(); 207 Isolate::Current()->InitializeLoggingAndCounters();
208 CodeRange* code_range = new CodeRange(Isolate::Current()); 208 CodeRange* code_range = new CodeRange(Isolate::Current());
209 code_range->SetUp(code_range_size); 209 code_range->SetUp(code_range_size);
210 int current_allocated = 0; 210 int current_allocated = 0;
211 int total_allocated = 0; 211 int total_allocated = 0;
212 List<Block> blocks(1000); 212 List<Block> blocks(1000);
213 213
214 while (total_allocated < 5 * code_range_size) { 214 while (total_allocated < 5 * code_range_size) {
215 if (current_allocated < code_range_size / 10) { 215 if (current_allocated < code_range_size / 10) {
216 // Allocate a block. 216 // Allocate a block.
217 // Geometrically distributed sizes, greater than Page::kMaxHeapObjectSize. 217 // Geometrically distributed sizes, greater than
218 // Page::kMaxNonCodeHeapObjectSize (which is greater than code page area).
218 // TODO(gc): instead of using 3 use some contant based on code_range_size 219 // TODO(gc): instead of using 3 use some contant based on code_range_size
219 // kMaxHeapObjectSize. 220 // kMaxHeapObjectSize.
220 size_t requested = (Page::kMaxHeapObjectSize << (Pseudorandom() % 3)) + 221 size_t requested =
221 Pseudorandom() % 5000 + 1; 222 (Page::kMaxNonCodeHeapObjectSize << (Pseudorandom() % 3)) +
223 Pseudorandom() % 5000 + 1;
222 size_t allocated = 0; 224 size_t allocated = 0;
223 Address base = code_range->AllocateRawMemory(requested, &allocated); 225 Address base = code_range->AllocateRawMemory(requested, &allocated);
224 CHECK(base != NULL); 226 CHECK(base != NULL);
225 blocks.Add(Block(base, static_cast<int>(allocated))); 227 blocks.Add(Block(base, static_cast<int>(allocated)));
226 current_allocated += static_cast<int>(allocated); 228 current_allocated += static_cast<int>(allocated);
227 total_allocated += static_cast<int>(allocated); 229 total_allocated += static_cast<int>(allocated);
228 } else { 230 } else {
229 // Free a block. 231 // Free a block.
230 int index = Pseudorandom() % blocks.length(); 232 int index = Pseudorandom() % blocks.length();
231 code_range->FreeRawMemory(blocks[index].base, blocks[index].size); 233 code_range->FreeRawMemory(blocks[index].base, blocks[index].size);
232 current_allocated -= blocks[index].size; 234 current_allocated -= blocks[index].size;
233 if (index < blocks.length() - 1) { 235 if (index < blocks.length() - 1) {
234 blocks[index] = blocks.RemoveLast(); 236 blocks[index] = blocks.RemoveLast();
235 } else { 237 } else {
236 blocks.RemoveLast(); 238 blocks.RemoveLast();
237 } 239 }
238 } 240 }
239 } 241 }
240 242
241 code_range->TearDown(); 243 code_range->TearDown();
242 delete code_range; 244 delete code_range;
243 } 245 }
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