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Issue 426233002: Land the Fan (disabled) (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Review feedback, rebase and "git cl format" Created 6 years, 4 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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194 }; 194 };
195 195
196 196
197 TEST(CodeRange) { 197 TEST(CodeRange) {
198 const size_t code_range_size = 32*MB; 198 const size_t code_range_size = 32*MB;
199 CcTest::InitializeVM(); 199 CcTest::InitializeVM();
200 CodeRange code_range(reinterpret_cast<Isolate*>(CcTest::isolate())); 200 CodeRange code_range(reinterpret_cast<Isolate*>(CcTest::isolate()));
201 code_range.SetUp(code_range_size); 201 code_range.SetUp(code_range_size);
202 size_t current_allocated = 0; 202 size_t current_allocated = 0;
203 size_t total_allocated = 0; 203 size_t total_allocated = 0;
204 List<Block> blocks(1000); 204 List< ::Block> blocks(1000);
205 205
206 while (total_allocated < 5 * code_range_size) { 206 while (total_allocated < 5 * code_range_size) {
207 if (current_allocated < code_range_size / 10) { 207 if (current_allocated < code_range_size / 10) {
208 // Allocate a block. 208 // Allocate a block.
209 // Geometrically distributed sizes, greater than 209 // Geometrically distributed sizes, greater than
210 // Page::kMaxRegularHeapObjectSize (which is greater than code page area). 210 // Page::kMaxRegularHeapObjectSize (which is greater than code page area).
211 // TODO(gc): instead of using 3 use some contant based on code_range_size 211 // TODO(gc): instead of using 3 use some contant based on code_range_size
212 // kMaxHeapObjectSize. 212 // kMaxHeapObjectSize.
213 size_t requested = 213 size_t requested =
214 (Page::kMaxRegularHeapObjectSize << (Pseudorandom() % 3)) + 214 (Page::kMaxRegularHeapObjectSize << (Pseudorandom() % 3)) +
215 Pseudorandom() % 5000 + 1; 215 Pseudorandom() % 5000 + 1;
216 size_t allocated = 0; 216 size_t allocated = 0;
217 Address base = code_range.AllocateRawMemory(requested, 217 Address base = code_range.AllocateRawMemory(requested,
218 requested, 218 requested,
219 &allocated); 219 &allocated);
220 CHECK(base != NULL); 220 CHECK(base != NULL);
221 blocks.Add(Block(base, static_cast<int>(allocated))); 221 blocks.Add(::Block(base, static_cast<int>(allocated)));
222 current_allocated += static_cast<int>(allocated); 222 current_allocated += static_cast<int>(allocated);
223 total_allocated += static_cast<int>(allocated); 223 total_allocated += static_cast<int>(allocated);
224 } else { 224 } else {
225 // Free a block. 225 // Free a block.
226 int index = Pseudorandom() % blocks.length(); 226 int index = Pseudorandom() % blocks.length();
227 code_range.FreeRawMemory(blocks[index].base, blocks[index].size); 227 code_range.FreeRawMemory(blocks[index].base, blocks[index].size);
228 current_allocated -= blocks[index].size; 228 current_allocated -= blocks[index].size;
229 if (index < blocks.length() - 1) { 229 if (index < blocks.length() - 1) {
230 blocks[index] = blocks.RemoveLast(); 230 blocks[index] = blocks.RemoveLast();
231 } else { 231 } else {
232 blocks.RemoveLast(); 232 blocks.RemoveLast();
233 } 233 }
234 } 234 }
235 } 235 }
236 236
237 code_range.TearDown(); 237 code_range.TearDown();
238 } 238 }
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