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Issue 155538: Adjust kPagesPerChunk to 16 instead of 64 on Android.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 11 years, 5 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 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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430 430
431 #ifdef DEBUG 431 #ifdef DEBUG
432 // Reports statistic info of the space. 432 // Reports statistic info of the space.
433 static void ReportStatistics(); 433 static void ReportStatistics();
434 #endif 434 #endif
435 435
436 // Due to encoding limitation, we can only have 8K chunks. 436 // Due to encoding limitation, we can only have 8K chunks.
437 static const int kMaxNofChunks = 1 << Page::kPageSizeBits; 437 static const int kMaxNofChunks = 1 << Page::kPageSizeBits;
438 // If a chunk has at least 32 pages, the maximum heap size is about 438 // If a chunk has at least 32 pages, the maximum heap size is about
439 // 8 * 1024 * 32 * 8K = 2G bytes. 439 // 8 * 1024 * 32 * 8K = 2G bytes.
440 #if defined(ANDROID)
441 static const int kPagesPerChunk = 16;
442 #else
440 static const int kPagesPerChunk = 64; 443 static const int kPagesPerChunk = 64;
444 #endif
441 static const int kChunkSize = kPagesPerChunk * Page::kPageSize; 445 static const int kChunkSize = kPagesPerChunk * Page::kPageSize;
442 446
443 private: 447 private:
444 // Maximum space size in bytes. 448 // Maximum space size in bytes.
445 static int capacity_; 449 static int capacity_;
446 450
447 // Allocated space size in bytes. 451 // Allocated space size in bytes.
448 static int size_; 452 static int size_;
449 453
450 // The initial chunk of virtual memory. 454 // The initial chunk of virtual memory.
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1795 1799
1796 private: 1800 private:
1797 LargeObjectChunk* current_; 1801 LargeObjectChunk* current_;
1798 HeapObjectCallback size_func_; 1802 HeapObjectCallback size_func_;
1799 }; 1803 };
1800 1804
1801 1805
1802 } } // namespace v8::internal 1806 } } // namespace v8::internal
1803 1807
1804 #endif // V8_SPACES_H_ 1808 #endif // V8_SPACES_H_
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