mirror of
https://github.com/facebook/zstd.git
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661 lines
19 KiB
C
661 lines
19 KiB
C
/*
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fullbench.c - Detailed bench program for zstd
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Copyright (C) Yann Collet 2014-2015
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GPL v2 License
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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You can contact the author at :
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- zstd source repository : https://github.com/Cyan4973/zstd
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- ztsd public forum : https://groups.google.com/forum/#!forum/lz4c
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*/
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/**************************************
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* Compiler Options
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**************************************/
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/* Disable some Visual warning messages */
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#define _CRT_SECURE_NO_WARNINGS
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#define _CRT_SECURE_NO_DEPRECATE /* VS2005 */
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/* Unix Large Files support (>4GB) */
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#if (defined(__sun__) && (!defined(__LP64__))) /* Sun Solaris 32-bits requires specific definitions */
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# define _LARGEFILE_SOURCE
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# define _FILE_OFFSET_BITS 64
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#elif ! defined(__LP64__) /* No point defining Large file for 64 bit */
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# define _LARGEFILE64_SOURCE
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#endif
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/* S_ISREG & gettimeofday() are not supported by MSVC */
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#if defined(_MSC_VER) || defined(_WIN32)
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# define BMK_LEGACY_TIMER 1
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#endif
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/**************************************
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* Includes
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**************************************/
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#include <stdlib.h> /* malloc */
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#include <stdio.h> /* fprintf, fopen, ftello64 */
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#include <sys/types.h> /* stat64 */
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#include <sys/stat.h> /* stat64 */
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#include <string.h> /* strcmp */
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/* Use ftime() if gettimeofday() is not available on your target */
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#if defined(BMK_LEGACY_TIMER)
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# include <sys/timeb.h> /* timeb, ftime */
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#else
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# include <sys/time.h> /* gettimeofday */
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#endif
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#include "zstd.h"
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#include "fse_static.h"
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#include "datagen.h"
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/**************************************
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* Compiler Options
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**************************************/
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/* S_ISREG & gettimeofday() are not supported by MSVC */
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#if !defined(S_ISREG)
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# define S_ISREG(x) (((x) & S_IFMT) == S_IFREG)
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#endif
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/**************************************
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* Basic Types
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**************************************/
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#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L /* C99 */
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# include <stdint.h>
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typedef uint8_t BYTE;
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typedef uint16_t U16;
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typedef uint32_t U32;
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typedef int32_t S32;
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typedef uint64_t U64;
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#else
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typedef unsigned char BYTE;
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typedef unsigned short U16;
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typedef unsigned int U32;
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typedef signed int S32;
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typedef unsigned long long U64;
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#endif
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/**************************************
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* Constants
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**************************************/
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#define PROGRAM_DESCRIPTION "zStandard speed analyzer"
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#ifndef ZSTD_VERSION
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# define ZSTD_VERSION ""
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#endif
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#define AUTHOR "Yann Collet"
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#define WELCOME_MESSAGE "*** %s %s %i-bits, by %s (%s) ***\n", PROGRAM_DESCRIPTION, ZSTD_VERSION, (int)(sizeof(void*)*8), AUTHOR, __DATE__
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#define KB *(1<<10)
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#define MB *(1<<20)
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#define NBLOOPS 6
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#define TIMELOOP 2500
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#define KNUTH 2654435761U
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#define MAX_MEM (1984 MB)
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#define DEFAULT_CHUNKSIZE (4<<20)
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#define COMPRESSIBILITY_DEFAULT 0.50
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static const size_t sampleSize = 10000000;
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/**************************************
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* Macros
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**************************************/
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#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
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/**************************************
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* Benchmark Parameters
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**************************************/
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static int nbIterations = NBLOOPS;
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static double g_compressibility = COMPRESSIBILITY_DEFAULT;
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void BMK_SetNbIterations(int nbLoops)
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{
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nbIterations = nbLoops;
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DISPLAY("- %i iterations -\n", nbIterations);
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}
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/*********************************************************
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* Private functions
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*********************************************************/
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#if defined(BMK_LEGACY_TIMER)
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static int BMK_GetMilliStart(void)
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{
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/* Based on Legacy ftime()
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* Rolls over every ~ 12.1 days (0x100000/24/60/60)
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* Use GetMilliSpan to correct for rollover */
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struct timeb tb;
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int nCount;
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ftime( &tb );
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nCount = (int) (tb.millitm + (tb.time & 0xfffff) * 1000);
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return nCount;
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}
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#else
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static int BMK_GetMilliStart(void)
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{
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/* Based on newer gettimeofday()
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* Use GetMilliSpan to correct for rollover */
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struct timeval tv;
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int nCount;
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gettimeofday(&tv, NULL);
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nCount = (int) (tv.tv_usec/1000 + (tv.tv_sec & 0xfffff) * 1000);
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return nCount;
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}
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#endif
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static int BMK_GetMilliSpan( int nTimeStart )
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{
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int nSpan = BMK_GetMilliStart() - nTimeStart;
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if ( nSpan < 0 )
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nSpan += 0x100000 * 1000;
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return nSpan;
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}
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static size_t BMK_findMaxMem(U64 requiredMem)
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{
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size_t step = 64 MB;
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BYTE* testmem=NULL;
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requiredMem = (((requiredMem >> 26) + 1) << 26);
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if (requiredMem > MAX_MEM) requiredMem = MAX_MEM;
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requiredMem += 2*step;
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while (!testmem)
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{
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requiredMem -= step;
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testmem = (BYTE*) malloc ((size_t)requiredMem);
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}
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free (testmem);
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return (size_t) (requiredMem - step);
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}
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static U64 BMK_GetFileSize(char* infilename)
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{
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int r;
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#if defined(_MSC_VER)
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struct _stat64 statbuf;
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r = _stat64(infilename, &statbuf);
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#else
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struct stat statbuf;
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r = stat(infilename, &statbuf);
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#endif
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if (r || !S_ISREG(statbuf.st_mode)) return 0; /* No good... */
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return (U64)statbuf.st_size;
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}
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/*********************************************************
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* Benchmark wrappers
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*********************************************************/
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typedef enum { bt_compressed, bt_raw, bt_rle, bt_end } blockType_t;
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typedef struct
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{
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blockType_t blockType;
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U32 unusedBits;
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U32 origSize;
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} blockProperties_t;
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static size_t g_cSize = 0;
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extern size_t ZSTD_getcBlockSize(const void* src, size_t srcSize, blockProperties_t* bpPtr);
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extern size_t ZSTD_decodeSeqHeaders(int* nbSeq, const BYTE** dumpsPtr, FSE_DTable* DTableLL, FSE_DTable* DTableML, FSE_DTable* DTableOffb, const void* src, size_t srcSize);
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size_t local_ZSTD_compress(void* dst, size_t dstSize, void* buff2, const void* src, size_t srcSize)
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{
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(void)buff2;
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return ZSTD_compress(dst, dstSize, src, srcSize);
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}
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size_t local_ZSTD_decompress(void* dst, size_t dstSize, void* buff2, const void* src, size_t srcSize)
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{
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(void)src; (void)srcSize;
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return ZSTD_decompress(dst, dstSize, buff2, g_cSize);
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}
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extern size_t ZSTD_decodeLiteralsBlock(void* ctx, void* dst, size_t maxDstSize, const BYTE** litStart, size_t* litSize, const void* src, size_t srcSize);
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size_t local_ZSTD_decodeLiteralsBlock(void* dst, size_t dstSize, void* buff2, const void* src, size_t srcSize)
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{
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U32 ctx[1<<12];
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const BYTE* ll;
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size_t llSize;
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(void)src; (void)srcSize;
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ZSTD_decodeLiteralsBlock(ctx, dst, dstSize, &ll, &llSize, buff2, g_cSize);
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return (const BYTE*)dst + dstSize - ll;
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}
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size_t local_ZSTD_decodeSeqHeaders(void* dst, size_t dstSize, void* buff2, const void* src, size_t srcSize)
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{
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U32 DTableML[1<<11], DTableLL[1<<10], DTableOffb[1<<9];
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const BYTE* dumps;
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int nbSeq;
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(void)src; (void)srcSize; (void)dst; (void)dstSize;
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return ZSTD_decodeSeqHeaders(&nbSeq, &dumps, DTableLL, DTableML, DTableOffb, buff2, g_cSize);
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}
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size_t local_conditionalNull(void* dst, size_t dstSize, void* buff2, const void* src, size_t srcSize)
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{
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U32 i;
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size_t total = 0;
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BYTE* data = (BYTE*)buff2;
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(void)dst; (void)dstSize; (void)src;
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for (i=0; i < srcSize; i++)
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{
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U32 b = data[i];
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total += b;
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if (b==0) total = 0; // 825
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//if (!b) total = 0; // 825
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//total = b ? total : 0; // 622
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//total &= -!b; // 622
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//total *= !!b; // 465
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}
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return total;
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}
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size_t local_decodeLiteralsForward(void* dst, size_t dstSize, void* buff2, const void* src, size_t srcSize)
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{
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(void)src; (void)srcSize;
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return FSE_decompress(dst, dstSize, buff2, g_cSize);
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}
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/*********************************************************
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* Bench functions
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*********************************************************/
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size_t benchMem(void* src, size_t srcSize, U32 benchNb)
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{
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BYTE* dstBuff;
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size_t dstBuffSize;
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BYTE* buff2;
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int loopNb;
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const char* benchName;
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size_t (*benchFunction)(void* dst, size_t dstSize, void* verifBuff, const void* src, size_t srcSize);
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double bestTime = 100000000.;
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size_t errorCode = 0;
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/* Selection */
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switch(benchNb)
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{
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case 1:
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benchFunction = local_ZSTD_compress; benchName = "ZSTD_compress";
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break;
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case 11:
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benchFunction = local_ZSTD_decompress; benchName = "ZSTD_decompress";
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break;
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case 31:
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benchFunction = local_ZSTD_decodeLiteralsBlock; benchName = "ZSTD_decodeLiteralsBlock";
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break;
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case 32:
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benchFunction = local_ZSTD_decodeSeqHeaders; benchName = "ZSTD_decodeSeqHeaders";
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break;
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case 101:
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benchFunction = local_conditionalNull; benchName = "conditionalNull";
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break;
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case 102:
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benchFunction = local_decodeLiteralsForward; benchName = "ZSTD_decodeLiteralsForward";
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break;
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default :
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return 0;
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}
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/* Allocation */
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dstBuffSize = ZSTD_compressBound(srcSize);
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dstBuff = (BYTE*)malloc(dstBuffSize);
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buff2 = (BYTE*)malloc(dstBuffSize);
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if ((!dstBuff) || (!buff2))
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{
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DISPLAY("\nError: not enough memory!\n");
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free(dstBuff); free(buff2);
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return 12;
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}
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/* Preparation */
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switch(benchNb)
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{
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case 11:
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g_cSize = ZSTD_compress(buff2, dstBuffSize, src, srcSize);
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break;
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case 31: /* ZSTD_decodeLiteralsBlock */
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{
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blockProperties_t bp;
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ZSTD_compress(dstBuff, dstBuffSize, src, srcSize);
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ZSTD_getcBlockSize(dstBuff+4, dstBuffSize, &bp); // Get first block compressed size
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if (bp.blockType != bt_compressed)
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{
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DISPLAY("ZSTD_decodeLiteralsBlock : impossible to test on this sample (not compressible)\n");
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free(dstBuff);
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free(buff2);
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return 0;
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}
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g_cSize = ZSTD_getcBlockSize(dstBuff+7, dstBuffSize, &bp) + 3;
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memcpy(buff2, dstBuff+7, g_cSize);
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//srcSize = benchFunction(dstBuff, dstBuffSize, buff2, src, srcSize); // real speed
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srcSize = srcSize > 128 KB ? 128 KB : srcSize; // relative to block
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break;
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}
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case 32: /* ZSTD_decodeSeqHeaders */
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{
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blockProperties_t bp;
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const BYTE* ip = dstBuff;
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const BYTE* iend;
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size_t blockSize;
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ZSTD_compress(dstBuff, dstBuffSize, src, srcSize);
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ip += 4; // Jump magic Number
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blockSize = ZSTD_getcBlockSize(ip, dstBuffSize, &bp); // Get first block compressed size
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if (bp.blockType != bt_compressed)
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{
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DISPLAY("ZSTD_decodeSeqHeaders : impossible to test on this sample (not compressible)\n");
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free(dstBuff);
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free(buff2);
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return 0;
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}
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iend = ip + 3 + blockSize; // Get end of first block
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ip += 3; // jump first block header
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ip += ZSTD_getcBlockSize(ip, iend - ip, &bp) + 3; // jump literal sub block and its header
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g_cSize = iend-ip;
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memcpy(buff2, ip, g_cSize); // copy rest of block (starting with SeqHeader)
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srcSize = srcSize > 128 KB ? 128 KB : srcSize; // speed relative to block
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break;
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}
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/* test functions */
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case 101: /* conditionalNull */
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{
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size_t i;
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for (i=0; i<srcSize; i++)
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buff2[i] = i & 15;
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break;
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}
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case 102: /* local_decodeLiteralsForward */
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{
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blockProperties_t bp;
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ZSTD_compress(dstBuff, dstBuffSize, src, srcSize);
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g_cSize = ZSTD_getcBlockSize(dstBuff+7, dstBuffSize, &bp);
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memcpy(buff2, dstBuff+10, g_cSize);
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//srcSize = benchFunction(dstBuff, dstBuffSize, buff2, src, srcSize); // real speed
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srcSize = srcSize > 128 KB ? 128 KB : srcSize; // relative to block
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break;
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}
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default : ;
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}
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{ size_t i; for (i=0; i<dstBuffSize; i++) dstBuff[i]=(BYTE)i; } /* warming up memory */
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for (loopNb = 1; loopNb <= nbIterations; loopNb++)
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{
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double averageTime;
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int milliTime;
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U32 nbRounds=0;
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DISPLAY("%2i- %-30.30s : \r", loopNb, benchName);
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milliTime = BMK_GetMilliStart();
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while(BMK_GetMilliStart() == milliTime);
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milliTime = BMK_GetMilliStart();
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while(BMK_GetMilliSpan(milliTime) < TIMELOOP)
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{
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errorCode = benchFunction(dstBuff, dstBuffSize, buff2, src, srcSize);
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if (ZSTD_isError(errorCode)) { DISPLAY("ERROR ! %s() => %s !! \n", benchName, ZSTD_getErrorName(errorCode)); exit(1); }
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nbRounds++;
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}
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milliTime = BMK_GetMilliSpan(milliTime);
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averageTime = (double)milliTime / nbRounds;
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if (averageTime < bestTime) bestTime = averageTime;
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DISPLAY("%2i- %-30.30s : %7.1f MB/s (%9u)\r", loopNb, benchName, (double)srcSize / bestTime / 1000., (U32)errorCode);
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}
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DISPLAY("%2u- %-30.30s : %7.1f MB/s (%9u)\n", benchNb, benchName, (double)srcSize / bestTime / 1000., (U32)errorCode);
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free(dstBuff);
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free(buff2);
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return 0;
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}
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int benchSample(U32 benchNb)
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{
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char* origBuff;
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size_t benchedSize = sampleSize;
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const char* name = "Sample 10MiB";
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/* Allocation */
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origBuff = (char*) malloc((size_t)benchedSize);
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if(!origBuff)
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{
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DISPLAY("\nError: not enough memory!\n");
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return 12;
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}
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/* Fill buffer */
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RDG_genBuffer(origBuff, benchedSize, g_compressibility, 0.0, 0);
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/* bench */
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DISPLAY("\r%79s\r", "");
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DISPLAY(" %s : \n", name);
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if (benchNb)
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benchMem(origBuff, benchedSize, benchNb);
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else
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for (benchNb=0; benchNb<100; benchNb++) benchMem(origBuff, benchedSize, benchNb);
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free(origBuff);
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return 0;
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}
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int benchFiles(char** fileNamesTable, int nbFiles, U32 benchNb)
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{
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int fileIdx=0;
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/* Loop for each file */
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while (fileIdx<nbFiles)
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{
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FILE* inFile;
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char* inFileName;
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U64 inFileSize;
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size_t benchedSize;
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size_t readSize;
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char* origBuff;
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/* Check file existence */
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inFileName = fileNamesTable[fileIdx++];
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inFile = fopen( inFileName, "rb" );
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if (inFile==NULL)
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{
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DISPLAY( "Pb opening %s\n", inFileName);
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return 11;
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}
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// Memory allocation & restrictions
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inFileSize = BMK_GetFileSize(inFileName);
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benchedSize = (size_t) BMK_findMaxMem(inFileSize*3) / 3;
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if ((U64)benchedSize > inFileSize) benchedSize = (size_t)inFileSize;
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if (benchedSize < inFileSize)
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{
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DISPLAY("Not enough memory for '%s' full size; testing %i MB only...\n", inFileName, (int)(benchedSize>>20));
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}
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/* Alloc */
|
|
origBuff = (char*) malloc((size_t)benchedSize);
|
|
if(!origBuff)
|
|
{
|
|
DISPLAY("\nError: not enough memory!\n");
|
|
fclose(inFile);
|
|
return 12;
|
|
}
|
|
|
|
/* Fill input buffer */
|
|
DISPLAY("Loading %s... \r", inFileName);
|
|
readSize = fread(origBuff, 1, benchedSize, inFile);
|
|
fclose(inFile);
|
|
|
|
if(readSize != benchedSize)
|
|
{
|
|
DISPLAY("\nError: problem reading file '%s' !! \n", inFileName);
|
|
free(origBuff);
|
|
return 13;
|
|
}
|
|
|
|
/* bench */
|
|
DISPLAY("\r%79s\r", "");
|
|
DISPLAY(" %s : \n", inFileName);
|
|
if (benchNb)
|
|
benchMem(origBuff, benchedSize, benchNb);
|
|
else
|
|
for (benchNb=0; benchNb<100; benchNb++) benchMem(origBuff, benchedSize, benchNb);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
int usage(char* exename)
|
|
{
|
|
DISPLAY( "Usage :\n");
|
|
DISPLAY( " %s [arg] file1 file2 ... fileX\n", exename);
|
|
DISPLAY( "Arguments :\n");
|
|
DISPLAY( " -H/-h : Help (this text + advanced options)\n");
|
|
return 0;
|
|
}
|
|
|
|
int usage_advanced(void)
|
|
{
|
|
DISPLAY( "\nAdvanced options :\n");
|
|
DISPLAY( " -b# : test only function # \n");
|
|
DISPLAY( " -i# : iteration loops [1-9](default : %i)\n", NBLOOPS);
|
|
DISPLAY( " -P# : sample compressibility (default : %.1f%%)\n", COMPRESSIBILITY_DEFAULT * 100);
|
|
return 0;
|
|
}
|
|
|
|
int badusage(char* exename)
|
|
{
|
|
DISPLAY("Wrong parameters\n");
|
|
usage(exename);
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
int i,
|
|
filenamesStart=0,
|
|
result;
|
|
char* exename=argv[0];
|
|
char* input_filename=0;
|
|
U32 benchNb = 0, main_pause = 0;
|
|
|
|
// Welcome message
|
|
DISPLAY(WELCOME_MESSAGE);
|
|
|
|
if (argc<1) { badusage(exename); return 1; }
|
|
|
|
for(i=1; i<argc; i++)
|
|
{
|
|
char* argument = argv[i];
|
|
|
|
if(!argument) continue; // Protection if argument empty
|
|
|
|
// Decode command (note : aggregated commands are allowed)
|
|
if (argument[0]=='-')
|
|
{
|
|
while (argument[1]!=0)
|
|
{
|
|
argument ++;
|
|
|
|
switch(argument[0])
|
|
{
|
|
/* Display help on usage */
|
|
case 'h' :
|
|
case 'H': usage(exename); usage_advanced(); return 0;
|
|
|
|
/* Pause at the end (hidden option) */
|
|
case 'p': main_pause = 1; break;
|
|
|
|
/* Select specific algorithm to bench */
|
|
case 'b':
|
|
benchNb = 0;
|
|
while ((argument[1]>= '0') && (argument[1]<= '9'))
|
|
{
|
|
benchNb *= 10;
|
|
benchNb += argument[1] - '0';
|
|
argument++;
|
|
}
|
|
break;
|
|
|
|
/* Modify Nb Iterations */
|
|
case 'i':
|
|
if ((argument[1] >='1') && (argument[1] <='9'))
|
|
{
|
|
int iters = argument[1] - '0';
|
|
BMK_SetNbIterations(iters);
|
|
argument++;
|
|
}
|
|
break;
|
|
|
|
/* Select specific algorithm to bench */
|
|
case 'P':
|
|
{
|
|
U32 proba32 = 0;
|
|
while ((argument[1]>= '0') && (argument[1]<= '9'))
|
|
{
|
|
proba32 *= 10;
|
|
proba32 += argument[1] - '0';
|
|
argument++;
|
|
}
|
|
g_compressibility = (double)proba32 / 100.;
|
|
}
|
|
break;
|
|
|
|
/* Unknown command */
|
|
default : badusage(exename); return 1;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
/* first provided filename is input */
|
|
if (!input_filename) { input_filename=argument; filenamesStart=i; continue; }
|
|
}
|
|
|
|
if (filenamesStart==0)
|
|
result = benchSample(benchNb);
|
|
else result = benchFiles(argv+filenamesStart, argc-filenamesStart, benchNb);
|
|
|
|
if (main_pause) { int unused; printf("press enter...\n"); unused = getchar(); (void)unused; }
|
|
|
|
return result;
|
|
}
|
|
|