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Another small LZSA2 compression speedup

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Emmanuel Marty 2020-05-28 15:10:38 +02:00 committed by GitHub
parent dc413164ad
commit 231f6580c5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 3 deletions
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src/shrink_block_v2.c
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@ -428,7 +428,6 @@ static void lzsa_optimize_forward_v2(lzsa_compressor *pCompressor, const unsigne
if (nCodingChoiceCost <= pDestSlots[nMatchesPerArrival - 2].cost) {
int exists = 0;
int nScore = arrival[(i << MATCHES_PER_ARRIVAL_SHIFT) + j].score + 3 + nScorePenalty;
for (n = 0;
n < nMatchesPerArrival && pDestSlots[n].cost < nCodingChoiceCost;
@ -441,6 +440,7 @@ static void lzsa_optimize_forward_v2(lzsa_compressor *pCompressor, const unsigne
}
if (!exists) {
int nScore = arrival[(i << MATCHES_PER_ARRIVAL_SHIFT) + j].score + 3 + nScorePenalty;
int nn;
for (nn = n;
@ -459,8 +459,7 @@ static void lzsa_optimize_forward_v2(lzsa_compressor *pCompressor, const unsigne
for (; n < nMatchesPerArrival - 1; n++) {
lzsa_arrival *pDestArrival = &pDestSlots[n];
if (nCodingChoiceCost < pDestArrival->cost ||
(nCodingChoiceCost == pDestArrival->cost && nScore < (pDestArrival->score + nDisableScore))) {
if (nCodingChoiceCost < pDestArrival->cost || nScore < (pDestArrival->score + nDisableScore)) {
if (pDestArrival->from_slot) {
int z;