upstream/mercurial-mirror Files · contrib/python-zstandard/zstd/compress/zstd_compress_literals.h

rust-status: cap the number of concurrent threads to 16...

rust-status: cap the number of concurrent threads to 16 During benchmarking it was determined that the use of more threads is very advantageous... until we use more than 16. This is most likely due to some resource contention (thrashing, etc.). Until we have time to figure out and fix the underlying cause, let's just cap at 16 threads. Differential Revision: https://phab.mercurial-scm.org/D12384

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             zstd_compress_literals.h
        
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      /*

       * Copyright (c) 2016-present, Yann Collet, Facebook, Inc.

       * All rights reserved.

       *

       * This source code is licensed under both the BSD-style license (found in the

       * LICENSE file in the root directory of this source tree) and the GPLv2 (found

       * in the COPYING file in the root directory of this source tree).

       * You may select, at your option, one of the above-listed licenses.

       */

      #ifndef ZSTD_COMPRESS_LITERALS_H

      #define ZSTD_COMPRESS_LITERALS_H

      #include "zstd_compress_internal.h" /* ZSTD_hufCTables_t, ZSTD_minGain() */

      size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src, size_t srcSize);

      size_t ZSTD_compressRleLiteralsBlock (void* dst, size_t dstCapacity, const void* src, size_t srcSize);

      size_t ZSTD_compressLiterals (ZSTD_hufCTables_t const* prevHuf,

                                    ZSTD_hufCTables_t* nextHuf,

                                    ZSTD_strategy strategy, int disableLiteralCompression,

                                    void* dst, size_t dstCapacity,

                              const void* src, size_t srcSize,

                                    void* entropyWorkspace, size_t entropyWorkspaceSize,

                              const int bmi2);

      #endif /* ZSTD_COMPRESS_LITERALS_H */

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				/*
				* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
				* All rights reserved.
				*
				* This source code is licensed under both the BSD-style license (found in the
				* LICENSE file in the root directory of this source tree) and the GPLv2 (found
				* in the COPYING file in the root directory of this source tree).
				* You may select, at your option, one of the above-listed licenses.
				*/

				#ifndef ZSTD_COMPRESS_LITERALS_H
				#define ZSTD_COMPRESS_LITERALS_H

				#include "zstd_compress_internal.h" /* ZSTD_hufCTables_t, ZSTD_minGain() */


				size_t ZSTD_noCompressLiterals (void* dst, size_t dstCapacity, const void* src, size_t srcSize);

				size_t ZSTD_compressRleLiteralsBlock (void* dst, size_t dstCapacity, const void* src, size_t srcSize);

				size_t ZSTD_compressLiterals (ZSTD_hufCTables_t const* prevHuf,
				ZSTD_hufCTables_t* nextHuf,
				ZSTD_strategy strategy, int disableLiteralCompression,
				void* dst, size_t dstCapacity,
				const void* src, size_t srcSize,
				void* entropyWorkspace, size_t entropyWorkspaceSize,
				const int bmi2);

				#endif /* ZSTD_COMPRESS_LITERALS_H */