upstream/mercurial-mirror Files · mercurial/thirdparty/xdiff/xutils.h

rust-revlog: don't create an in-memory nodemap for filelogs from Python...

rust-revlog: don't create an in-memory nodemap for filelogs from Python Explanations inline. Benchmarks from this change affect positively the only repo that showed this being a problem: ``` ### data-env-vars.name = mozilla-try-2024-03-26-ds2-pnm # benchmark.name = hg.command.cat # bin-env-vars.hg.flavor = rust # bin-env-vars.hg.py-re2-module = default # benchmark.variants.files = all-root # benchmark.variants.output = plain # benchmark.variants.rev = tip default: 62.848869 ~~~~~ before-this-patch: 58.113051 (-7.54%, -4.74) this-patch: 57.407533 (-8.66%, -5.44) ### data-env-vars.name = mozilla-try-2024-03-26-ds2-pnm # benchmark.name = hg.command.log # bin-env-vars.hg.flavor = rust # bin-env-vars.hg.py-re2-module = default # benchmark.variants.limit-rev = 10 # benchmark.variants.patch = yes # benchmark.variants.rev = none default: 3.173532 ~~~~~ before-this-patch: 3.543591 (+11.66%, +0.37) this-patch: 3.297235 (+3.90%, +0.12) ```

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      /*

       *  LibXDiff by Davide Libenzi ( File Differential Library )

       *  Copyright (C) 2003  Davide Libenzi

       *

       *  This library is free software; you can redistribute it and/or

       *  modify it under the terms of the GNU Lesser General Public

       *  License as published by the Free Software Foundation; either

       *  version 2.1 of the License, or (at your option) any later version.

       *

       *  This library is distributed in the hope that it will be useful,

       *  but WITHOUT ANY WARRANTY; without even the implied warranty of

       *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

       *  Lesser General Public License for more details.

       *

       *  You should have received a copy of the GNU Lesser General Public

       *  License along with this library; if not, see

       *  <http://www.gnu.org/licenses/>.

       *

       *  Davide Libenzi <davidel@xmailserver.org>

       *

       */

      #if !defined(XUTILS_H)

      #define XUTILS_H

      int64_t xdl_bogosqrt(int64_t n);

      int xdl_cha_init(chastore_t *cha, int64_t isize, int64_t icount);

      void xdl_cha_free(chastore_t *cha);

      void *xdl_cha_alloc(chastore_t *cha);

      int64_t xdl_guess_lines(mmfile_t *mf, int64_t sample);

      int xdl_recmatch(const char *l1, int64_t s1, const char *l2, int64_t s2);

      uint64_t xdl_hash_record(char const **data, char const *top);

      unsigned int xdl_hashbits(int64_t size);

      #endif /* #if !defined(XUTILS_H) */

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				/*
				* LibXDiff by Davide Libenzi ( File Differential Library )
				* Copyright (C) 2003 Davide Libenzi
				*
				* This library is free software; you can redistribute it and/or
				* modify it under the terms of the GNU Lesser General Public
				* License as published by the Free Software Foundation; either
				* version 2.1 of the License, or (at your option) any later version.
				*
				* This library is distributed in the hope that it will be useful,
				* but WITHOUT ANY WARRANTY; without even the implied warranty of
				* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
				* Lesser General Public License for more details.
				*
				* You should have received a copy of the GNU Lesser General Public
				* License along with this library; if not, see
				* <http://www.gnu.org/licenses/>.
				*
				* Davide Libenzi <davidel@xmailserver.org>
				*
				*/

				#if !defined(XUTILS_H)
				#define XUTILS_H



				int64_t xdl_bogosqrt(int64_t n);
				int xdl_cha_init(chastore_t *cha, int64_t isize, int64_t icount);
				void xdl_cha_free(chastore_t *cha);
				void xdl_cha_alloc(chastore_t cha);
				int64_t xdl_guess_lines(mmfile_t *mf, int64_t sample);
				int xdl_recmatch(const char l1, int64_t s1, const char l2, int64_t s2);
				uint64_t xdl_hash_record(char const *data, char const top);
				unsigned int xdl_hashbits(int64_t size);



				#endif /* #if !defined(XUTILS_H) */