| OLD | NEW |
|---|
| (Empty) |
| 1 /* LzFindMt.h -- multithreaded Match finder for LZ algorithms | |
| 2 2008-10-04 : Igor Pavlov : Public domain */ | |
| 3 | |
| 4 #ifndef __LZFINDMT_H | |
| 5 #define __LZFINDMT_H | |
| 6 | |
| 7 #include "Threads.h" | |
| 8 #include "LzFind.h" | |
| 9 | |
| 10 #define kMtHashBlockSize (1 << 13) | |
| 11 #define kMtHashNumBlocks (1 << 3) | |
| 12 #define kMtHashNumBlocksMask (kMtHashNumBlocks - 1) | |
| 13 | |
| 14 #define kMtBtBlockSize (1 << 14) | |
| 15 #define kMtBtNumBlocks (1 << 6) | |
| 16 #define kMtBtNumBlocksMask (kMtBtNumBlocks - 1) | |
| 17 | |
| 18 typedef struct _CMtSync | |
| 19 { | |
| 20 Bool wasCreated; | |
| 21 Bool needStart; | |
| 22 Bool exit; | |
| 23 Bool stopWriting; | |
| 24 | |
| 25 CThread thread; | |
| 26 CAutoResetEvent canStart; | |
| 27 CAutoResetEvent wasStarted; | |
| 28 CAutoResetEvent wasStopped; | |
| 29 CSemaphore freeSemaphore; | |
| 30 CSemaphore filledSemaphore; | |
| 31 Bool csWasInitialized; | |
| 32 Bool csWasEntered; | |
| 33 CCriticalSection cs; | |
| 34 UInt32 numProcessedBlocks; | |
| 35 } CMtSync; | |
| 36 | |
| 37 typedef UInt32 * (*Mf_Mix_Matches)(void *p, UInt32 matchMinPos, UInt32 *distance
s); | |
| 38 | |
| 39 /* kMtCacheLineDummy must be >= size_of_CPU_cache_line */ | |
| 40 #define kMtCacheLineDummy 128 | |
| 41 | |
| 42 typedef void (*Mf_GetHeads)(const Byte *buffer, UInt32 pos, | |
| 43 UInt32 *hash, UInt32 hashMask, UInt32 *heads, UInt32 numHeads, const UInt32 *c
rc); | |
| 44 | |
| 45 typedef struct _CMatchFinderMt | |
| 46 { | |
| 47 /* LZ */ | |
| 48 const Byte *pointerToCurPos; | |
| 49 UInt32 *btBuf; | |
| 50 UInt32 btBufPos; | |
| 51 UInt32 btBufPosLimit; | |
| 52 UInt32 lzPos; | |
| 53 UInt32 btNumAvailBytes; | |
| 54 | |
| 55 UInt32 *hash; | |
| 56 UInt32 fixedHashSize; | |
| 57 UInt32 historySize; | |
| 58 const UInt32 *crc; | |
| 59 | |
| 60 Mf_Mix_Matches MixMatchesFunc; | |
| 61 | |
| 62 /* LZ + BT */ | |
| 63 CMtSync btSync; | |
| 64 Byte btDummy[kMtCacheLineDummy]; | |
| 65 | |
| 66 /* BT */ | |
| 67 UInt32 *hashBuf; | |
| 68 UInt32 hashBufPos; | |
| 69 UInt32 hashBufPosLimit; | |
| 70 UInt32 hashNumAvail; | |
| 71 | |
| 72 CLzRef *son; | |
| 73 UInt32 matchMaxLen; | |
| 74 UInt32 numHashBytes; | |
| 75 UInt32 pos; | |
| 76 Byte *buffer; | |
| 77 UInt32 cyclicBufferPos; | |
| 78 UInt32 cyclicBufferSize; /* it must be historySize + 1 */ | |
| 79 UInt32 cutValue; | |
| 80 | |
| 81 /* BT + Hash */ | |
| 82 CMtSync hashSync; | |
| 83 /* Byte hashDummy[kMtCacheLineDummy]; */ | |
| 84 | |
| 85 /* Hash */ | |
| 86 Mf_GetHeads GetHeadsFunc; | |
| 87 CMatchFinder *MatchFinder; | |
| 88 } CMatchFinderMt; | |
| 89 | |
| 90 void MatchFinderMt_Construct(CMatchFinderMt *p); | |
| 91 void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAlloc *alloc); | |
| 92 SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddB
ufferBefore, | |
| 93 UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAlloc *alloc); | |
| 94 void MatchFinderMt_CreateVTable(CMatchFinderMt *p, IMatchFinder *vTable); | |
| 95 void MatchFinderMt_ReleaseStream(CMatchFinderMt *p); | |
| 96 | |
| 97 #endif | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 624713003:
Keep only base/extractor.[cc|h]. (Closed)
Base URL: https://chromium.googlesource.com/external/omaha.git@master