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30fdf114 | 1 | /* LzFindMt.h -- multithreaded Match finder for LZ algorithms\r |
c4ab09ef | 2 | 2015-05-03 : Igor Pavlov : Public domain */\r |
30fdf114 | 3 | \r |
c4ab09ef LG |
4 | #ifndef __LZ_FIND_MT_H\r |
5 | #define __LZ_FIND_MT_H\r | |
30fdf114 | 6 | \r |
30fdf114 | 7 | #include "LzFind.h"\r |
c4ab09ef LG |
8 | #include "Threads.h"\r |
9 | \r | |
10 | EXTERN_C_BEGIN\r | |
30fdf114 LG |
11 | \r |
12 | #define kMtHashBlockSize (1 << 13)\r | |
13 | #define kMtHashNumBlocks (1 << 3)\r | |
14 | #define kMtHashNumBlocksMask (kMtHashNumBlocks - 1)\r | |
15 | \r | |
16 | #define kMtBtBlockSize (1 << 14)\r | |
17 | #define kMtBtNumBlocks (1 << 6)\r | |
18 | #define kMtBtNumBlocksMask (kMtBtNumBlocks - 1)\r | |
19 | \r | |
20 | typedef struct _CMtSync\r | |
21 | {\r | |
22 | Bool wasCreated;\r | |
23 | Bool needStart;\r | |
24 | Bool exit;\r | |
25 | Bool stopWriting;\r | |
26 | \r | |
27 | CThread thread;\r | |
28 | CAutoResetEvent canStart;\r | |
29 | CAutoResetEvent wasStarted;\r | |
30 | CAutoResetEvent wasStopped;\r | |
31 | CSemaphore freeSemaphore;\r | |
32 | CSemaphore filledSemaphore;\r | |
33 | Bool csWasInitialized;\r | |
34 | Bool csWasEntered;\r | |
35 | CCriticalSection cs;\r | |
36 | UInt32 numProcessedBlocks;\r | |
37 | } CMtSync;\r | |
38 | \r | |
39 | typedef UInt32 * (*Mf_Mix_Matches)(void *p, UInt32 matchMinPos, UInt32 *distances);\r | |
40 | \r | |
41 | /* kMtCacheLineDummy must be >= size_of_CPU_cache_line */\r | |
42 | #define kMtCacheLineDummy 128\r | |
43 | \r | |
44 | typedef void (*Mf_GetHeads)(const Byte *buffer, UInt32 pos,\r | |
45 | UInt32 *hash, UInt32 hashMask, UInt32 *heads, UInt32 numHeads, const UInt32 *crc);\r | |
46 | \r | |
47 | typedef struct _CMatchFinderMt\r | |
48 | {\r | |
49 | /* LZ */\r | |
50 | const Byte *pointerToCurPos;\r | |
51 | UInt32 *btBuf;\r | |
52 | UInt32 btBufPos;\r | |
53 | UInt32 btBufPosLimit;\r | |
54 | UInt32 lzPos;\r | |
55 | UInt32 btNumAvailBytes;\r | |
56 | \r | |
57 | UInt32 *hash;\r | |
58 | UInt32 fixedHashSize;\r | |
59 | UInt32 historySize;\r | |
60 | const UInt32 *crc;\r | |
61 | \r | |
62 | Mf_Mix_Matches MixMatchesFunc;\r | |
63 | \r | |
64 | /* LZ + BT */\r | |
65 | CMtSync btSync;\r | |
66 | Byte btDummy[kMtCacheLineDummy];\r | |
67 | \r | |
68 | /* BT */\r | |
69 | UInt32 *hashBuf;\r | |
70 | UInt32 hashBufPos;\r | |
71 | UInt32 hashBufPosLimit;\r | |
72 | UInt32 hashNumAvail;\r | |
73 | \r | |
74 | CLzRef *son;\r | |
75 | UInt32 matchMaxLen;\r | |
76 | UInt32 numHashBytes;\r | |
77 | UInt32 pos;\r | |
c4ab09ef | 78 | const Byte *buffer;\r |
30fdf114 LG |
79 | UInt32 cyclicBufferPos;\r |
80 | UInt32 cyclicBufferSize; /* it must be historySize + 1 */\r | |
81 | UInt32 cutValue;\r | |
82 | \r | |
83 | /* BT + Hash */\r | |
84 | CMtSync hashSync;\r | |
85 | /* Byte hashDummy[kMtCacheLineDummy]; */\r | |
86 | \r | |
87 | /* Hash */\r | |
88 | Mf_GetHeads GetHeadsFunc;\r | |
89 | CMatchFinder *MatchFinder;\r | |
90 | } CMatchFinderMt;\r | |
91 | \r | |
92 | void MatchFinderMt_Construct(CMatchFinderMt *p);\r | |
93 | void MatchFinderMt_Destruct(CMatchFinderMt *p, ISzAlloc *alloc);\r | |
94 | SRes MatchFinderMt_Create(CMatchFinderMt *p, UInt32 historySize, UInt32 keepAddBufferBefore,\r | |
95 | UInt32 matchMaxLen, UInt32 keepAddBufferAfter, ISzAlloc *alloc);\r | |
96 | void MatchFinderMt_CreateVTable(CMatchFinderMt *p, IMatchFinder *vTable);\r | |
97 | void MatchFinderMt_ReleaseStream(CMatchFinderMt *p);\r | |
98 | \r | |
c4ab09ef LG |
99 | EXTERN_C_END\r |
100 | \r | |
30fdf114 | 101 | #endif\r |