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Update Zstandard to Version 1.5.4

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Signed-off-by: Tino Reichardt <milky-7zip@mcmilk.de>
This commit is contained in:
Tino Reichardt
2023-02-11 10:20:24 +01:00
parent 5fac496461
commit 83b87f6fe3
79 changed files with 4636 additions and 3335 deletions
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6
C/zstd/zstd_compress_sequences.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) Yann Collet, Facebook, Inc.
* Copyright (c) Meta Platforms, Inc. and affiliates.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
@@ -58,7 +58,7 @@ static unsigned ZSTD_useLowProbCount(size_t const nbSeq)
{
/* Heuristic: This should cover most blocks <= 16K and
* start to fade out after 16K to about 32K depending on
* comprssibility.
* compressibility.
*/
return nbSeq >= 2048;
}
@@ -166,7 +166,7 @@ ZSTD_selectEncodingType(
if (mostFrequent == nbSeq) {
*repeatMode = FSE_repeat_none;
if (isDefaultAllowed && nbSeq <= 2) {
/* Prefer set_basic over set_rle when there are 2 or less symbols,
/* Prefer set_basic over set_rle when there are 2 or fewer symbols,
* since RLE uses 1 byte, but set_basic uses 5-6 bits per symbol.
* If basic encoding isn't possible, always choose RLE.
*/