overlap at full windowSize for max compression level
as it provides max compression ratio
This commit is contained in:
parent
458e955c23
commit
34cc487d05
@ -390,7 +390,8 @@ size_t ZSTDMT_compressCCtx(ZSTDMT_CCtx* mtctx,
|
||||
int compressionLevel)
|
||||
{
|
||||
ZSTD_parameters params = ZSTD_getParams(compressionLevel, srcSize, 0);
|
||||
size_t const overlapSize = (size_t)1 << (params.cParams.windowLog - 3);
|
||||
U32 const overlapLog = (compressionLevel >= ZSTD_maxCLevel()) ? 0 : 3;
|
||||
size_t const overlapSize = (size_t)1 << (params.cParams.windowLog - overlapLog);
|
||||
size_t const chunkTargetSize = (size_t)1 << (params.cParams.windowLog + 2);
|
||||
unsigned const nbChunksMax = (unsigned)(srcSize / chunkTargetSize) + 1;
|
||||
unsigned nbChunks = MIN(nbChunksMax, mtctx->nbThreads);
|
||||
|
Loading…
x
Reference in New Issue
Block a user