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6d1c22b64c
Also consolidate benchmarking low level routines undeer dfly_core_test ``` BM_ParseFastFloat 707 ns 707 ns 4005656 BM_ParseDoubleAbsl 1460 ns 1460 ns 1927158 BM_MatchGlob/1000 121 ns 121 ns 23701780 BM_MatchGlob/10000 512 ns 512 ns 5481405 BM_MatchFindSubstr/1000 123 ns 123 ns 31114255 BM_MatchFindSubstr/10000 1126 ns 1126 ns 2522019 BM_MatchReflexFind/1000 118 ns 118 ns 22442417 BM_MatchReflexFind/10000 512 ns 512 ns 5414329 BM_MatchReflexFindStar/1000 106 ns 106 ns 26276727 BM_MatchReflexFindStar/10000 717 ns 717 ns 3719605 BM_MatchStd/1000 19782 ns 19779 ns 128020 BM_MatchStd/10000 199809 ns 199781 ns 13837 BM_MatchRedisGlob/1000 1601 ns 1601 ns 1754635 BM_MatchRedisGlob/10000 16494 ns 16493 ns 171585 BM_MatchRe2/1000 1039 ns 1039 ns 2709486 BM_MatchRe2/10000 10041 ns 10040 ns 281296 ``` What's curious is that now matching `*foobar*` on string is faster than searching for 'foobar` using string::find() (BM_MatchGlob vs BM_MatchFindSubstr) Improvement vs Redis is 10-30 times faster (BM_MatchRedisGlob vs BM_MatchGlob). Signed-off-by: Roman Gershman <roman@dragonflydb.io>
75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/*
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* Copyright (c) 2009-2012, Salvatore Sanfilippo <antirez at gmail dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __REDIS_UTIL_H
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#define __REDIS_UTIL_H
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#include <stdint.h>
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#include <time.h>
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#include <unistd.h>
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/* The maximum number of characters needed to represent a long double
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* as a string (long double has a huge range).
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* This should be the size of the buffer given to ld2string */
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#define MAX_LONG_DOUBLE_CHARS 5*1024
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/* Error codes */
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#define C_OK 0
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#define C_ERR -1
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int ll2string(char *s, size_t len, long long value);
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int string2ll(const char *s, size_t slen, long long *value);
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int string2ld(const char *s, size_t slen, long double *dp);
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#define LOG_MAX_LEN 1024 /* Default maximum length of syslog messages.*/
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/* Log levels */
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#define LL_DEBUG 0
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#define LL_VERBOSE 1
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#define LL_NOTICE 2
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#define LL_WARNING 3
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#define LL_RAW (1<<10) /* Modifier to log without timestamp */
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/* Bytes needed for long -> str + '\0' */
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#define LONG_STR_SIZE 21
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void serverLog(int level, const char *fmt, ...);
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void _serverPanic(const char *file, int line, const char *msg, ...);
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void _serverAssert(const char *estr, const char *file, int line);
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#define serverPanic(...) _serverPanic(__FILE__,__LINE__,__VA_ARGS__),_exit(1)
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#define serverAssert(_e) ((_e)?(void)0 : (_serverAssert(#_e,__FILE__,__LINE__),_exit(1)))
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typedef long long mstime_t; /* millisecond time type. */
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#endif
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