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ZSTD_updatePrice

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This commit is contained in:
inikep
2016-02-03 18:47:30 +01:00
parent 53721f134c
commit 3bfcfc7bb0
3 changed files with 32 additions and 5 deletions
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lib/zstd_compress.c
+25 -1
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@@ -88,6 +88,14 @@ typedef struct {
BYTE* matchLength;
BYTE* dumpsStart;
BYTE* dumps;
BYTE* matchLengthFreq;
BYTE* litLengthFreq;
BYTE* litFreq;
BYTE* offCodeFreq;
U32 matchLengthSum;
U32 litLengthSum;
U32 litSum;
U32 offCodeSum;
} seqStore_t;
static void ZSTD_resetSeqStore(seqStore_t* ssPtr)
@@ -97,6 +105,16 @@ static void ZSTD_resetSeqStore(seqStore_t* ssPtr)
ssPtr->litLength = ssPtr->litLengthStart;
ssPtr->matchLength = ssPtr->matchLengthStart;
ssPtr->dumps = ssPtr->dumpsStart;
ssPtr->matchLengthSum = (1<<MLbits);
ssPtr->litLengthSum = (1<<LLbits);
ssPtr->litSum = (1<<Litbits);
ssPtr->offCodeSum = (1<<Offbits);
memset(ssPtr->litFreq, 1, (1<<Litbits));
memset(ssPtr->litLengthFreq, 1, (1<<LLbits));
memset(ssPtr->matchLengthFreq, 1, (1<<MLbits));
memset(ssPtr->offCodeFreq, 1, (1<<Offbits));
}
@@ -184,7 +202,7 @@ static size_t ZSTD_resetCCtx_advanced (ZSTD_CCtx* zc,
/* reserve table memory */
const U32 contentLog = (params.strategy == ZSTD_fast) ? 1 : params.contentLog;
const size_t tableSpace = ((1 << contentLog) + (1 << params.hashLog)) * sizeof(U32);
const size_t neededSpace = tableSpace + (256*sizeof(U32)) + (3*blockSize);
const size_t neededSpace = tableSpace + (256*sizeof(U32)) + (3*blockSize) + (1<<MLbits) + (1<<LLbits) + (1<<Offbits) + (1<<Litbits);
if (zc->workSpaceSize < neededSpace) {
free(zc->workSpace);
zc->workSpace = malloc(neededSpace);
@@ -213,6 +231,12 @@ static size_t ZSTD_resetCCtx_advanced (ZSTD_CCtx* zc,
zc->seqStore.litLengthStart = zc->seqStore.litStart + blockSize;
zc->seqStore.matchLengthStart = zc->seqStore.litLengthStart + (blockSize>>2);
zc->seqStore.dumpsStart = zc->seqStore.matchLengthStart + (blockSize>>2);
zc->seqStore.litFreq = zc->seqStore.dumpsStart + (blockSize>>2);
zc->seqStore.litLengthFreq = zc->seqStore.litFreq + (1<<Litbits);
zc->seqStore.matchLengthFreq = zc->seqStore.litLengthFreq + (1<<LLbits);
zc->seqStore.offCodeFreq = zc->seqStore.matchLengthFreq + (1<<MLbits);
// zc->seqStore.XXX = zc->seqStore.offCodeFreq + (1<<Offbits);
zc->hbSize = 0;
zc->stage = 0;
zc->loadedDictEnd = 0;