krak/zstd
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Code Issues Releases 1 Activity

fixed crc bug in rare timing conditions within bench.c

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This commit is contained in:
Yann Collet 2016-08-21 01:04:46 +02:00
parent 70c2326bf1
commit d1733f7417
2 changed files with 4 additions and 4 deletions
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6
lib/compress/zstd_opt.h
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@ -529,7 +529,7 @@ void ZSTD_compressBlock_opt_generic(ZSTD_CCtx* ctx,
continue;
mlen = opt[cur].mlen;
if (opt[cur].off > ZSTD_REP_MOVE_OPT) {
if (opt[cur].off > ZSTD_REP_MOVE_OPT) {
opt[cur].rep[2] = opt[cur-mlen].rep[1];
opt[cur].rep[1] = opt[cur-mlen].rep[0];
opt[cur].rep[0] = opt[cur].off - ZSTD_REP_MOVE_OPT;
@ -610,12 +610,12 @@ void ZSTD_compressBlock_opt_generic(ZSTD_CCtx* ctx,
price = opt[cur].price + ZSTD_getPrice(seqStorePtr, 0, NULL, matches[u].off-1, mlen - MINMATCH);
}
// ZSTD_LOG_PARSER("%d: Found2 mlen=%d best_mlen=%d off=%d price=%d litlen=%d\n", (int)(inr-base), mlen, best_mlen, matches[u].off, price, litlen);
// ZSTD_LOG_PARSER("%d: Found2 mlen=%d best_mlen=%d off=%d price=%d litlen=%d\n", (int)(inr-base), mlen, best_mlen, matches[u].off, price, litlen);
if (cur + mlen > last_pos || (price < opt[cur + mlen].price))
SET_PRICE(cur + mlen, mlen, matches[u].off, litlen, price);
mlen++;
} } } // for (cur = 1; cur <= last_pos; cur++)
} } } // for (cur = 1; cur <= last_pos; cur++)
best_mlen = opt[last_pos].mlen;
best_off = opt[last_pos].off;

2
programs/bench.c
View File

@ -257,7 +257,7 @@ static int BMK_benchMem(const void* srcBuffer, size_t srcSize,
(void)fastestD; (void)crcOrig; /* unused when decompression disabled */
#if 1
/* Decompression */
memset(resultBuffer, 0xD6, srcSize); /* warm result buffer */
if (!dCompleted) memset(resultBuffer, 0xD6, srcSize); /* warm result buffer */
UTIL_sleepMilli(1); /* give processor time to other processes */
UTIL_waitForNextTick(ticksPerSecond);