diff options
Diffstat (limited to 'lib/compress/zstdmt_compress.h')
| -rw-r--r-- | lib/compress/zstdmt_compress.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/lib/compress/zstdmt_compress.h b/lib/compress/zstdmt_compress.h index 0a9e551c99b6..271eb1ac71f5 100644 --- a/lib/compress/zstdmt_compress.h +++ b/lib/compress/zstdmt_compress.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc. + * Copyright (c) Yann Collet, Facebook, Inc. * All rights reserved. * * This source code is licensed under both the BSD-style license (found in the @@ -32,11 +32,11 @@ /* === Constants === */ -#ifndef ZSTDMT_NBWORKERS_MAX -# define ZSTDMT_NBWORKERS_MAX 200 +#ifndef ZSTDMT_NBWORKERS_MAX /* a different value can be selected at compile time */ +# define ZSTDMT_NBWORKERS_MAX ((sizeof(void*)==4) /*32-bit*/ ? 64 : 256) #endif -#ifndef ZSTDMT_JOBSIZE_MIN -# define ZSTDMT_JOBSIZE_MIN (1 MB) +#ifndef ZSTDMT_JOBSIZE_MIN /* a different value can be selected at compile time */ +# define ZSTDMT_JOBSIZE_MIN (512 KB) #endif #define ZSTDMT_JOBLOG_MAX (MEM_32bits() ? 29 : 30) #define ZSTDMT_JOBSIZE_MAX (MEM_32bits() ? (512 MB) : (1024 MB)) @@ -65,8 +65,11 @@ size_t ZSTDMT_nextInputSizeHint(const ZSTDMT_CCtx* mtctx); * Private use only. Init streaming operation. * expects params to be valid. * must receive dict, or cdict, or none, but not both. + * mtctx can be freshly constructed or reused from a prior compression. + * If mtctx is reused, memory allocations from the prior compression may not be freed, + * even if they are not needed for the current compression. * @return : 0, or an error code */ -size_t ZSTDMT_initCStream_internal(ZSTDMT_CCtx* zcs, +size_t ZSTDMT_initCStream_internal(ZSTDMT_CCtx* mtctx, const void* dict, size_t dictSize, ZSTD_dictContentType_e dictContentType, const ZSTD_CDict* cdict, ZSTD_CCtx_params params, unsigned long long pledgedSrcSize); |