krak/zstd
krak/zstd
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This commit is contained in:
inikep 2016-02-04 16:02:05 +01:00
parent 40dd4739e3
commit baff8d6c1f
2 changed files with 6 additions and 4 deletions
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4
.gitignore vendored
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@ -47,4 +47,6 @@ ipch/
_codelite
_zstdbench
lib/zstd_opt_LZ5.c
lib/zstd_opt_LZ5.c
lib/zstd_opt_llen.c
lib/zstd_opt_nollen.c

6
lib/zstd_opt.c
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@ -150,7 +150,7 @@ FORCE_INLINE size_t ZSTD_getPrice(seqStore_t* seqStorePtr, size_t litLength, con
size_t match_cost_old = ZSTD_highbit((U32)matchLength+1) + Offbits + ZSTD_highbit((U32)offset+1);
size_t match_cost = ZSTD_getMatchPriceReal(seqStorePtr, offset, matchLength);
// printf("old=%d new=%d\n", (int)match_cost2, (int)match_cost);
return lit_cost + match_cost_old;
return lit_cost + match_cost;
#else
size_t lit_cost = (litLength<<3);
size_t match_cost = ZSTD_highbit((U32)matchLength+1) + Offbits + ZSTD_highbit((U32)offset+1);
@ -653,9 +653,9 @@ void ZSTD_compressBlock_opt_generic(ZSTD_CCtx* ctx,
goto _storeSequence;
}
litlen = opt[0].litlen + 1;
do
{
litlen = opt[0].litlen + 1;
price = ZSTD_getPrice(seqStorePtr, litlen, anchor, 0, mlen - MINMATCH);
if (mlen + 1 > last_pos || price < opt[mlen + 1].price)
SET_PRICE(mlen + 1, mlen, 0, litlen, price);
@ -703,9 +703,9 @@ void ZSTD_compressBlock_opt_generic(ZSTD_CCtx* ctx,
mlen = (i>0) ? matches[i-1].len+1 : best_mlen;
best_mlen = (matches[i].len < ZSTD_OPT_NUM) ? matches[i].len : ZSTD_OPT_NUM;
ZSTD_LOG_PARSER("%d: start Found mlen=%d off=%d best_mlen=%d last_pos=%d\n", (int)(ip-base), matches[i].len, matches[i].off, (int)best_mlen, (int)last_pos);
litlen = opt[0].litlen;
while (mlen <= best_mlen)
{
litlen = opt[0].litlen;
price = ZSTD_getPrice(seqStorePtr, litlen, anchor, matches[i].off, mlen - MINMATCH);
if (mlen > last_pos || price < opt[mlen].price)
SET_PRICE(mlen, mlen, matches[i].off, litlen, price);