f6ef14329f
* first attempt at fast DMS short cache * significant wins for some scenarios * fix all clang regressions * nits * fix 1.5% gcc11 regression on hot 110Kdict scenario * fix CI * nit * Add tags to doublefast hash table * use tags in doublefast DMS * Fix CI * Clean up some hardcoded logic / constants * Switch forCCtx to an enum * nit * add short cache to ip+1 long search * Move tag size into hashLog * Minor nits * Truncate dictionaries greater than 16MB in short cache mode * Helper function for tag comparison * Cap short cache hashLog at 24 to prevent overflow * size_t dictTagsMatch -> int dictTagsMatch * nit * Clean up and comment dictionary truncation * Move ZSTD_tableFillPurpose_e next to ZSTD_dictTableLoadMethod_e * Comment and expand helper functions * Asserts and documentation * nit
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/*
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* Copyright (c) Yann Collet, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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#ifndef ZSTD_FAST_H
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#define ZSTD_FAST_H
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#if defined (__cplusplus)
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extern "C" {
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#endif
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#include "../common/mem.h" /* U32 */
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#include "zstd_compress_internal.h"
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void ZSTD_fillHashTable(ZSTD_matchState_t* ms,
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void const* end, ZSTD_dictTableLoadMethod_e dtlm,
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ZSTD_tableFillPurpose_e tfp);
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size_t ZSTD_compressBlock_fast(
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ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
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void const* src, size_t srcSize);
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size_t ZSTD_compressBlock_fast_dictMatchState(
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ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
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void const* src, size_t srcSize);
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size_t ZSTD_compressBlock_fast_extDict(
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ZSTD_matchState_t* ms, seqStore_t* seqStore, U32 rep[ZSTD_REP_NUM],
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void const* src, size_t srcSize);
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#if defined (__cplusplus)
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}
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#endif
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#endif /* ZSTD_FAST_H */
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