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update targetCBlockSize documentation

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This commit is contained in:
Yann Collet
2024-03-18 12:04:02 -07:00
parent cd4dba74de
commit f5728da365
2 changed files with 22 additions and 20 deletions
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lib/compress/zstd_compress_superblock.c
+1 -3
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@@ -469,8 +469,6 @@ static size_t sizeBlockSequences(const seqDef* sp, size_t nbSeqs,
return n;
}
#define CBLOCK_TARGET_SIZE_MIN 1340 /* suitable to fit into an ethernet / wifi / 4G transport frame */
/** ZSTD_compressSubBlock_multi() :
* Breaks super-block into multiple sub-blocks and compresses them.
* Entropy will be written into the first block.
@@ -504,7 +502,7 @@ static size_t ZSTD_compressSubBlock_multi(const seqStore_t* seqStorePtr,
const BYTE* llCodePtr = seqStorePtr->llCode;
const BYTE* mlCodePtr = seqStorePtr->mlCode;
const BYTE* ofCodePtr = seqStorePtr->ofCode;
size_t const minTarget = CBLOCK_TARGET_SIZE_MIN; /* enforce minimum size, to reduce undesirable side effects */
size_t const minTarget = ZSTD_TARGETCBLOCKSIZE_MIN; /* enforce minimum size, to reduce undesirable side effects */
size_t const targetCBlockSize = MAX(minTarget, cctxParams->targetCBlockSize);
int writeLitEntropy = (entropyMetadata->hufMetadata.hType == set_compressed);
int writeSeqEntropy = 1;