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change update rate to 11/10/10/10

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better for larger blocks,
very small inefficiency on small block.
This commit is contained in:
Yann Collet 2021-09-08 08:58:28 -07:00
parent 42a3ed752a
commit ef78611c26
1 changed files with 4 additions and 4 deletions
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8
lib/compress/zstd_opt.c
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@ -228,10 +228,10 @@ ZSTD_rescaleFreqs(optState_t* const optPtr,
} else { /* new block : re-use previous statistics, scaled down */
if (compressedLiterals)
optPtr->litSum = ZSTD_scaleStats(optPtr->litFreq, MaxLit, 10);
optPtr->litLengthSum = ZSTD_scaleStats(optPtr->litLengthFreq, MaxLL, 9);
optPtr->matchLengthSum = ZSTD_scaleStats(optPtr->matchLengthFreq, MaxML, 9);
optPtr->offCodeSum = ZSTD_scaleStats(optPtr->offCodeFreq, MaxOff, 9);
optPtr->litSum = ZSTD_scaleStats(optPtr->litFreq, MaxLit, 11);
optPtr->litLengthSum = ZSTD_scaleStats(optPtr->litLengthFreq, MaxLL, 10);
optPtr->matchLengthSum = ZSTD_scaleStats(optPtr->matchLengthFreq, MaxML, 10);
optPtr->offCodeSum = ZSTD_scaleStats(optPtr->offCodeFreq, MaxOff, 10);
}
ZSTD_setBasePrices(optPtr, optLevel);