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Merge pull request #3977 from facebook/doc_advanced

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Doc update
This commit is contained in:
Yann Collet
2024-03-21 12:33:15 -07:00
committed by GitHub
parent dc1f7b560b 6f1215b874
commit c6e5257240
4 changed files with 72 additions and 33 deletions
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lib/compress/zstd_compress.c
+9 -7
View File
@@ -870,7 +870,7 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,
#else
FORWARD_IF_ERROR(ZSTD_cParam_clampBounds(param, &value), "");
CCtxParams->nbWorkers = value;
return CCtxParams->nbWorkers;
return (size_t)(CCtxParams->nbWorkers);
#endif
case ZSTD_c_jobSize :
@@ -894,7 +894,7 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,
#else
FORWARD_IF_ERROR(ZSTD_cParam_clampBounds(ZSTD_c_overlapLog, &value), "");
CCtxParams->overlapLog = value;
return CCtxParams->overlapLog;
return (size_t)CCtxParams->overlapLog;
#endif
case ZSTD_c_rsyncable :
@@ -904,7 +904,7 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,
#else
FORWARD_IF_ERROR(ZSTD_cParam_clampBounds(ZSTD_c_overlapLog, &value), "");
CCtxParams->rsyncable = value;
return CCtxParams->rsyncable;
return (size_t)CCtxParams->rsyncable;
#endif
case ZSTD_c_enableDedicatedDictSearch :
@@ -941,8 +941,10 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,
return CCtxParams->ldmParams.hashRateLog;
case ZSTD_c_targetCBlockSize :
if (value!=0) /* 0 ==> default */
if (value!=0) { /* 0 ==> default */
value = MAX(value, ZSTD_TARGETCBLOCKSIZE_MIN);
BOUNDCHECK(ZSTD_c_targetCBlockSize, value);
}
CCtxParams->targetCBlockSize = (U32)value;
return CCtxParams->targetCBlockSize;
@@ -970,7 +972,7 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,
case ZSTD_c_validateSequences:
BOUNDCHECK(ZSTD_c_validateSequences, value);
CCtxParams->validateSequences = value;
return CCtxParams->validateSequences;
return (size_t)CCtxParams->validateSequences;
case ZSTD_c_useBlockSplitter:
BOUNDCHECK(ZSTD_c_useBlockSplitter, value);
@@ -985,7 +987,7 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,
case ZSTD_c_deterministicRefPrefix:
BOUNDCHECK(ZSTD_c_deterministicRefPrefix, value);
CCtxParams->deterministicRefPrefix = !!value;
return CCtxParams->deterministicRefPrefix;
return (size_t)CCtxParams->deterministicRefPrefix;
case ZSTD_c_prefetchCDictTables:
BOUNDCHECK(ZSTD_c_prefetchCDictTables, value);
@@ -995,7 +997,7 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,
case ZSTD_c_enableSeqProducerFallback:
BOUNDCHECK(ZSTD_c_enableSeqProducerFallback, value);
CCtxParams->enableMatchFinderFallback = value;
return CCtxParams->enableMatchFinderFallback;
return (size_t)CCtxParams->enableMatchFinderFallback;
case ZSTD_c_maxBlockSize:
if (value!=0) /* 0 ==> default */
lib/compress/zstd_compress_superblock.c
+1 -3
View File
@@ -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;