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Add prefetchCDictTables CCtxParam

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This commit is contained in:
Elliot Gorokhovsky
2022-06-22 16:13:07 -04:00
parent f5c4ec4658
commit 2a128110d0
5 changed files with 38 additions and 1 deletions
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lib/compress/zstd_compress.c
+16
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@@ -576,6 +576,11 @@ ZSTD_bounds ZSTD_cParam_getBounds(ZSTD_cParameter param)
bounds.upperBound = 1;
return bounds;
case ZSTD_c_prefetchCDictTables:
bounds.lowerBound = (int)ZSTD_ps_auto;
bounds.upperBound = (int)ZSTD_ps_disable;
return bounds;
default:
bounds.error = ERROR(parameter_unsupported);
return bounds;
@@ -640,6 +645,7 @@ static int ZSTD_isUpdateAuthorized(ZSTD_cParameter param)
case ZSTD_c_useBlockSplitter:
case ZSTD_c_useRowMatchFinder:
case ZSTD_c_deterministicRefPrefix:
case ZSTD_c_prefetchCDictTables:
default:
return 0;
}
@@ -695,6 +701,7 @@ size_t ZSTD_CCtx_setParameter(ZSTD_CCtx* cctx, ZSTD_cParameter param, int value)
case ZSTD_c_useBlockSplitter:
case ZSTD_c_useRowMatchFinder:
case ZSTD_c_deterministicRefPrefix:
case ZSTD_c_prefetchCDictTables:
break;
default: RETURN_ERROR(parameter_unsupported, "unknown parameter");
@@ -921,6 +928,11 @@ size_t ZSTD_CCtxParams_setParameter(ZSTD_CCtx_params* CCtxParams,
CCtxParams->deterministicRefPrefix = !!value;
return CCtxParams->deterministicRefPrefix;
case ZSTD_c_prefetchCDictTables:
BOUNDCHECK(ZSTD_c_prefetchCDictTables, value);
CCtxParams->prefetchCDictTables = (ZSTD_paramSwitch_e)value;
return CCtxParams->prefetchCDictTables;
default: RETURN_ERROR(parameter_unsupported, "unknown parameter");
}
}
@@ -1053,6 +1065,9 @@ size_t ZSTD_CCtxParams_getParameter(
case ZSTD_c_deterministicRefPrefix:
*value = (int)CCtxParams->deterministicRefPrefix;
break;
case ZSTD_c_prefetchCDictTables:
*value = (int)CCtxParams->prefetchCDictTables;
break;
default: RETURN_ERROR(parameter_unsupported, "unknown parameter");
}
return 0;
@@ -2913,6 +2928,7 @@ static size_t ZSTD_buildSeqStore(ZSTD_CCtx* zc, const void* src, size_t srcSize)
zc->appliedParams.useRowMatchFinder,
dictMode);
ms->ldmSeqStore = NULL;
ms->prefetchCDictTables = zc->appliedParams.prefetchCDictTables == ZSTD_ps_enable;
lastLLSize = blockCompressor(ms, &zc->seqStore, zc->blockState.nextCBlock->rep, src, srcSize);
}
{ const BYTE* const lastLiterals = (const BYTE*)src + srcSize - lastLLSize;