870 lines
32 KiB
C
870 lines
32 KiB
C
/*
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bench.c - Demo program to benchmark open-source compression algorithm
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Copyright (C) Yann Collet 2012-2016
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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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- LZ4 source repository : https://github.com/lz4/lz4
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- LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c
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*/
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#if defined(_MSC_VER) || defined(_WIN32)
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/* S_ISREG & gettimeofday() are not supported by MSVC */
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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 "platform.h" /* _CRT_SECURE_NO_WARNINGS, Large Files support */
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#include "util.h" /* U32, UTIL_getFileSize */
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#include <stdlib.h> /* malloc, free */
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#include <stdio.h> /* fprintf, fopen, ftello */
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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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#include <time.h> /* clock_t, clock(), CLOCKS_PER_SEC */
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#define LZ4_DISABLE_DEPRECATE_WARNINGS /* LZ4_decompress_fast */
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#include "lz4.h"
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#include "lz4hc.h"
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#include "lz4frame.h"
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#include "xxhash.h"
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/**************************************
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* Constants
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**************************************/
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#define PROGRAM_DESCRIPTION "LZ4 speed analyzer"
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#define AUTHOR "Yann Collet"
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#define WELCOME_MESSAGE "*** %s v%s %i-bits, by %s ***\n", PROGRAM_DESCRIPTION, LZ4_VERSION_STRING, (int)(sizeof(void*)*8), AUTHOR
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#define NBLOOPS 6
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#define TIMELOOP (CLOCKS_PER_SEC * 25 / 10)
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#define KB *(1 <<10)
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#define MB *(1 <<20)
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#define GB *(1U<<30)
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#define KNUTH 2654435761U
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#define MAX_MEM (1920 MB)
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#define DEFAULT_CHUNKSIZE (4 MB)
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#define ALL_COMPRESSORS 0
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#define ALL_DECOMPRESSORS 0
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/**************************************
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* Local structures
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**************************************/
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struct chunkParameters
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{
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U32 id;
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char* origBuffer;
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char* compressedBuffer;
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int origSize;
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int compressedSize;
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};
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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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#define PROGRESS(...) g_noPrompt ? 0 : DISPLAY(__VA_ARGS__)
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/**************************************
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* Benchmark Parameters
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**************************************/
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static int g_chunkSize = DEFAULT_CHUNKSIZE;
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static int g_nbIterations = NBLOOPS;
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static int g_pause = 0;
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static int g_compressionTest = 1;
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static int g_compressionAlgo = ALL_COMPRESSORS;
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static int g_decompressionTest = 1;
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static int g_decompressionAlgo = ALL_DECOMPRESSORS;
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static int g_noPrompt = 0;
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static void BMK_setBlocksize(int bsize)
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{
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g_chunkSize = bsize;
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DISPLAY("-Using Block Size of %i KB-\n", g_chunkSize>>10);
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}
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static void BMK_setNbIterations(int nbLoops)
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{
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g_nbIterations = nbLoops;
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DISPLAY("- %i iterations -\n", g_nbIterations);
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}
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static void BMK_setPause(void)
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{
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g_pause = 1;
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}
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/*********************************************************
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* Private functions
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*********************************************************/
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static clock_t BMK_GetClockSpan( clock_t clockStart )
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{
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return clock() - clockStart; /* works even if overflow; max span ~30 mn */
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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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requiredMem += 2*step;
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if (requiredMem > MAX_MEM) requiredMem = MAX_MEM;
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while (!testmem) {
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if (requiredMem > step) requiredMem -= step;
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else requiredMem >>= 1;
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testmem = (BYTE*) malloc ((size_t)requiredMem);
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}
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free (testmem);
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/* keep some space available */
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if (requiredMem > step) requiredMem -= step;
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else requiredMem >>= 1;
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return (size_t)requiredMem;
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}
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/*********************************************************
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* Memory management, to test LZ4_USER_MEMORY_FUNCTIONS
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*********************************************************/
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void* LZ4_malloc(size_t s) { return malloc(s); }
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void* LZ4_calloc(size_t n, size_t s) { return calloc(n,s); }
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void LZ4_free(void* p) { free(p); }
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/*********************************************************
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* Benchmark function
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*********************************************************/
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static LZ4_stream_t LZ4_stream;
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static void local_LZ4_resetDictT(void)
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{
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void* const r = LZ4_initStream(&LZ4_stream, sizeof(LZ4_stream));
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assert(r != NULL); (void)r;
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}
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static void local_LZ4_createStream(void)
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{
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void* const r = LZ4_initStream(&LZ4_stream, sizeof(LZ4_stream));
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assert(r != NULL); (void)r;
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}
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static int local_LZ4_saveDict(const char* in, char* out, int inSize)
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{
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(void)in;
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return LZ4_saveDict(&LZ4_stream, out, inSize);
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}
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static int local_LZ4_compress_default_large(const char* in, char* out, int inSize)
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{
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return LZ4_compress_default(in, out, inSize, LZ4_compressBound(inSize));
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}
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static int local_LZ4_compress_default_small(const char* in, char* out, int inSize)
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{
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return LZ4_compress_default(in, out, inSize, LZ4_compressBound(inSize)-1);
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}
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static int local_LZ4_compress_destSize(const char* in, char* out, int inSize)
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{
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return LZ4_compress_destSize(in, out, &inSize, LZ4_compressBound(inSize)-1);
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}
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static int local_LZ4_compress_fast0(const char* in, char* out, int inSize)
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{
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return LZ4_compress_fast(in, out, inSize, LZ4_compressBound(inSize), 0);
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}
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static int local_LZ4_compress_fast1(const char* in, char* out, int inSize)
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{
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return LZ4_compress_fast(in, out, inSize, LZ4_compressBound(inSize), 1);
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}
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static int local_LZ4_compress_fast2(const char* in, char* out, int inSize)
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{
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return LZ4_compress_fast(in, out, inSize, LZ4_compressBound(inSize), 2);
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}
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static int local_LZ4_compress_fast17(const char* in, char* out, int inSize)
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{
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return LZ4_compress_fast(in, out, inSize, LZ4_compressBound(inSize), 17);
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}
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static int local_LZ4_compress_fast_extState0(const char* in, char* out, int inSize)
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{
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return LZ4_compress_fast_extState(&LZ4_stream, in, out, inSize, LZ4_compressBound(inSize), 0);
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}
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static int local_LZ4_compress_fast_continue0(const char* in, char* out, int inSize)
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{
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return LZ4_compress_fast_continue(&LZ4_stream, in, out, inSize, LZ4_compressBound(inSize), 0);
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}
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#ifndef LZ4_DLL_IMPORT
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#if defined (__cplusplus)
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extern "C" {
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#endif
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/* declare hidden function */
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extern int LZ4_compress_forceExtDict (LZ4_stream_t* LZ4_stream, const char* source, char* dest, int inputSize);
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#if defined (__cplusplus)
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}
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#endif
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static int local_LZ4_compress_forceDict(const char* in, char* out, int inSize)
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{
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return LZ4_compress_forceExtDict(&LZ4_stream, in, out, inSize);
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}
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#endif
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/* HC compression functions */
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LZ4_streamHC_t LZ4_streamHC;
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static void local_LZ4_resetStreamHC(void)
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{
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LZ4_initStreamHC(&LZ4_streamHC, sizeof(LZ4_streamHC));
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}
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static int local_LZ4_saveDictHC(const char* in, char* out, int inSize)
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{
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(void)in;
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return LZ4_saveDictHC(&LZ4_streamHC, out, inSize);
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}
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static int local_LZ4_compress_HC(const char* in, char* out, int inSize)
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{
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return LZ4_compress_HC(in, out, inSize, LZ4_compressBound(inSize), 9);
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}
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static int local_LZ4_compress_HC_extStateHC(const char* in, char* out, int inSize)
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{
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return LZ4_compress_HC_extStateHC(&LZ4_streamHC, in, out, inSize, LZ4_compressBound(inSize), 9);
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}
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static int local_LZ4_compress_HC_continue(const char* in, char* out, int inSize)
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{
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return LZ4_compress_HC_continue(&LZ4_streamHC, in, out, inSize, LZ4_compressBound(inSize));
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}
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/* decompression functions */
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static int local_LZ4_decompress_fast(const char* in, char* out, int inSize, int outSize)
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{
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(void)inSize;
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LZ4_decompress_fast(in, out, outSize);
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return outSize;
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}
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static int local_LZ4_decompress_fast_usingDict_prefix(const char* in, char* out, int inSize, int outSize)
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{
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(void)inSize;
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LZ4_decompress_fast_usingDict(in, out, outSize, out - 65536, 65536);
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return outSize;
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}
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static int local_LZ4_decompress_fast_usingExtDict(const char* in, char* out, int inSize, int outSize)
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{
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(void)inSize;
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LZ4_decompress_fast_usingDict(in, out, outSize, out - 65536, 65535);
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return outSize;
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}
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static int local_LZ4_decompress_safe_withPrefix64k(const char* in, char* out, int inSize, int outSize)
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{
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LZ4_decompress_safe_withPrefix64k(in, out, inSize, outSize);
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return outSize;
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}
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static int local_LZ4_decompress_safe_usingDict(const char* in, char* out, int inSize, int outSize)
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{
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LZ4_decompress_safe_usingDict(in, out, inSize, outSize, out - 65536, 65536);
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return outSize;
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}
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#ifndef LZ4_DLL_IMPORT
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#if defined (__cplusplus)
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extern "C" {
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#endif
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extern int LZ4_decompress_safe_forceExtDict(const char* in, char* out, int inSize, int outSize, const void* dict, size_t dictSize);
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#if defined (__cplusplus)
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}
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#endif
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static int local_LZ4_decompress_safe_forceExtDict(const char* in, char* out, int inSize, int outSize)
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{
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(void)inSize;
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LZ4_decompress_safe_forceExtDict(in, out, inSize, outSize, out - 65536, 65536);
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return outSize;
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}
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#endif
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static int local_LZ4_decompress_safe_partial(const char* in, char* out, int inSize, int outSize)
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{
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int result = LZ4_decompress_safe_partial(in, out, inSize, outSize - 5, outSize);
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if (result < 0) return result;
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return outSize;
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}
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/* frame functions */
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static int local_LZ4F_compressFrame(const char* in, char* out, int inSize)
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{
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assert(inSize >= 0);
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return (int)LZ4F_compressFrame(out, LZ4F_compressFrameBound((size_t)inSize, NULL), in, (size_t)inSize, NULL);
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}
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static LZ4F_decompressionContext_t g_dCtx;
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static int local_LZ4F_decompress(const char* in, char* out, int inSize, int outSize)
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{
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size_t srcSize = (size_t)inSize;
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size_t dstSize = (size_t)outSize;
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size_t result;
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assert(inSize >= 0);
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assert(outSize >= 0);
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result = LZ4F_decompress(g_dCtx, out, &dstSize, in, &srcSize, NULL);
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if (result!=0) { DISPLAY("Error decompressing frame : unfinished frame \n"); exit(8); }
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if (srcSize != (size_t)inSize) { DISPLAY("Error decompressing frame : read size incorrect \n"); exit(9); }
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return (int)dstSize;
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}
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static int local_LZ4F_decompress_followHint(const char* src, char* dst, int srcSize, int dstSize)
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{
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size_t totalInSize = (size_t)srcSize;
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size_t maxOutSize = (size_t)dstSize;
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size_t inPos = 0;
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size_t inSize = 0;
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size_t outPos = 0;
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size_t outRemaining = maxOutSize - outPos;
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for (;;) {
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size_t const sizeHint = LZ4F_decompress(g_dCtx, dst+outPos, &outRemaining, src+inPos, &inSize, NULL);
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assert(!LZ4F_isError(sizeHint));
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inPos += inSize;
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inSize = sizeHint;
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outPos += outRemaining;
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outRemaining = maxOutSize - outPos;
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if (!sizeHint) break;
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}
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/* frame completed */
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if (inPos != totalInSize) {
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DISPLAY("Error decompressing frame : must read (%u) full frame (%u) \n",
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(unsigned)inPos, (unsigned)totalInSize);
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exit(10);
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}
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return (int)outPos;
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}
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/* always provide input by block of 64 KB */
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static int local_LZ4F_decompress_noHint(const char* src, char* dst, int srcSize, int dstSize)
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{
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size_t totalInSize = (size_t)srcSize;
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size_t maxOutSize = (size_t)dstSize;
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size_t inPos = 0;
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size_t inSize = 64 KB;
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size_t outPos = 0;
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size_t outRemaining = maxOutSize - outPos;
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for (;;) {
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size_t const sizeHint = LZ4F_decompress(g_dCtx, dst+outPos, &outRemaining, src+inPos, &inSize, NULL);
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assert(!LZ4F_isError(sizeHint));
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inPos += inSize;
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inSize = (inPos + 64 KB <= totalInSize) ? 64 KB : totalInSize - inPos;
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outPos += outRemaining;
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outRemaining = maxOutSize - outPos;
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if (!sizeHint) break;
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}
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/* frame completed */
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if (inPos != totalInSize) {
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DISPLAY("Error decompressing frame : must read (%u) full frame (%u) \n",
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(unsigned)inPos, (unsigned)totalInSize);
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exit(10);
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}
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return (int)outPos;
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}
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#define NB_COMPRESSION_ALGORITHMS 100
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#define NB_DECOMPRESSION_ALGORITHMS 100
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int fullSpeedBench(const char** fileNamesTable, int nbFiles)
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{
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int fileIdx=0;
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/* Init */
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{ size_t const errorCode = LZ4F_createDecompressionContext(&g_dCtx, LZ4F_VERSION);
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if (LZ4F_isError(errorCode)) { DISPLAY("dctx allocation issue \n"); return 10; } }
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/* Loop for each fileName */
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while (fileIdx<nbFiles) {
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char* orig_buff = NULL;
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struct chunkParameters* chunkP = NULL;
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char* compressed_buff=NULL;
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const char* const inFileName = fileNamesTable[fileIdx++];
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FILE* const inFile = fopen( inFileName, "rb" );
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U64 const inFileSize = UTIL_getFileSize(inFileName);
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size_t benchedSize = BMK_findMaxMem(inFileSize*2) / 2; /* because 2 buffers */
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int nbChunks;
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int maxCompressedChunkSize;
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size_t readSize;
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int compressedBuffSize;
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U32 crcOriginal;
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/* Check infile pre-requisites */
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if (inFile==NULL) { DISPLAY("Pb opening %s \n", inFileName); return 11; }
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if (inFileSize==0) { DISPLAY("file is empty \n"); fclose(inFile); return 11; }
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if (benchedSize==0) { DISPLAY("not enough memory \n"); fclose(inFile); return 11; }
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/* Memory size adjustments */
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if ((U64)benchedSize > inFileSize) benchedSize = (size_t)inFileSize;
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if (benchedSize < inFileSize) {
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DISPLAY("Not enough memory for '%s' full size; testing %i MB only... \n",
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inFileName, (int)(benchedSize>>20));
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}
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/* Allocation */
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chunkP = (struct chunkParameters*) malloc(((benchedSize / (size_t)g_chunkSize)+1) * sizeof(struct chunkParameters));
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orig_buff = (char*) malloc(benchedSize);
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nbChunks = (int) ((benchedSize + (size_t)g_chunkSize - 1) / (size_t)g_chunkSize);
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maxCompressedChunkSize = LZ4_compressBound(g_chunkSize);
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compressedBuffSize = nbChunks * maxCompressedChunkSize;
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compressed_buff = (char*)malloc((size_t)compressedBuffSize);
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if(!chunkP || !orig_buff || !compressed_buff) {
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DISPLAY("\nError: not enough memory! \n");
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fclose(inFile);
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free(orig_buff);
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free(compressed_buff);
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free(chunkP);
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return(12);
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}
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/* Fill in src buffer */
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DISPLAY("Loading %s... \r", inFileName);
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readSize = fread(orig_buff, 1, benchedSize, inFile);
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fclose(inFile);
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|
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if (readSize != benchedSize) {
|
|
DISPLAY("\nError: problem reading file '%s' !! \n", inFileName);
|
|
free(orig_buff);
|
|
free(compressed_buff);
|
|
free(chunkP);
|
|
return 13;
|
|
}
|
|
|
|
/* Calculating input Checksum */
|
|
crcOriginal = XXH32(orig_buff, benchedSize,0);
|
|
|
|
|
|
/* Bench */
|
|
{ int loopNb, nb_loops, chunkNb, cAlgNb, dAlgNb;
|
|
size_t cSize=0;
|
|
double ratio=0.;
|
|
|
|
DISPLAY("\r%79s\r", "");
|
|
DISPLAY(" %s : \n", inFileName);
|
|
|
|
/* Bench Compression Algorithms */
|
|
for (cAlgNb=0; (cAlgNb <= NB_COMPRESSION_ALGORITHMS) && (g_compressionTest); cAlgNb++) {
|
|
const char* compressorName;
|
|
int (*compressionFunction)(const char*, char*, int);
|
|
void (*initFunction)(void) = NULL;
|
|
double bestTime = 100000000.;
|
|
|
|
/* filter compressionAlgo only */
|
|
if ((g_compressionAlgo != ALL_COMPRESSORS) && (g_compressionAlgo != cAlgNb)) continue;
|
|
|
|
/* Init data chunks */
|
|
{ int i;
|
|
size_t remaining = benchedSize;
|
|
char* in = orig_buff;
|
|
char* out = compressed_buff;
|
|
assert(nbChunks >= 1);
|
|
for (i=0; i<nbChunks; i++) {
|
|
chunkP[i].id = (U32)i;
|
|
chunkP[i].origBuffer = in; in += g_chunkSize;
|
|
assert(g_chunkSize > 0);
|
|
if (remaining > (size_t)g_chunkSize) {
|
|
chunkP[i].origSize = g_chunkSize;
|
|
remaining -= (size_t)g_chunkSize;
|
|
} else {
|
|
chunkP[i].origSize = (int)remaining;
|
|
remaining = 0;
|
|
}
|
|
chunkP[i].compressedBuffer = out; out += maxCompressedChunkSize;
|
|
chunkP[i].compressedSize = 0;
|
|
}
|
|
}
|
|
|
|
switch(cAlgNb)
|
|
{
|
|
case 0 : DISPLAY("Compression functions : \n"); continue;
|
|
case 1 : compressionFunction = local_LZ4_compress_default_large; compressorName = "LZ4_compress_default"; break;
|
|
case 2 : compressionFunction = local_LZ4_compress_default_small; compressorName = "LZ4_compress_default(small dst)"; break;
|
|
case 3 : compressionFunction = local_LZ4_compress_destSize; compressorName = "LZ4_compress_destSize"; break;
|
|
case 4 : compressionFunction = local_LZ4_compress_fast0; compressorName = "LZ4_compress_fast(0)"; break;
|
|
case 5 : compressionFunction = local_LZ4_compress_fast1; compressorName = "LZ4_compress_fast(1)"; break;
|
|
case 6 : compressionFunction = local_LZ4_compress_fast2; compressorName = "LZ4_compress_fast(2)"; break;
|
|
case 7 : compressionFunction = local_LZ4_compress_fast17; compressorName = "LZ4_compress_fast(17)"; break;
|
|
case 8 : compressionFunction = local_LZ4_compress_fast_extState0; compressorName = "LZ4_compress_fast_extState(0)"; break;
|
|
case 9 : compressionFunction = local_LZ4_compress_fast_continue0; initFunction = local_LZ4_createStream; compressorName = "LZ4_compress_fast_continue(0)"; break;
|
|
|
|
case 10: compressionFunction = local_LZ4_compress_HC; compressorName = "LZ4_compress_HC"; break;
|
|
case 12: compressionFunction = local_LZ4_compress_HC_extStateHC; compressorName = "LZ4_compress_HC_extStateHC"; break;
|
|
case 14: compressionFunction = local_LZ4_compress_HC_continue; initFunction = local_LZ4_resetStreamHC; compressorName = "LZ4_compress_HC_continue"; break;
|
|
#ifndef LZ4_DLL_IMPORT
|
|
case 20: compressionFunction = local_LZ4_compress_forceDict; initFunction = local_LZ4_resetDictT; compressorName = "LZ4_compress_forceDict"; break;
|
|
#endif
|
|
case 30: compressionFunction = local_LZ4F_compressFrame; compressorName = "LZ4F_compressFrame";
|
|
chunkP[0].origSize = (int)benchedSize; nbChunks=1;
|
|
break;
|
|
case 40: compressionFunction = local_LZ4_saveDict; compressorName = "LZ4_saveDict";
|
|
if (chunkP[0].origSize < 8) { DISPLAY(" cannot bench %s with less then 8 bytes \n", compressorName); continue; }
|
|
LZ4_loadDict(&LZ4_stream, chunkP[0].origBuffer, chunkP[0].origSize);
|
|
break;
|
|
case 41: compressionFunction = local_LZ4_saveDictHC; compressorName = "LZ4_saveDictHC";
|
|
if (chunkP[0].origSize < 8) { DISPLAY(" cannot bench %s with less then 8 bytes \n", compressorName); continue; }
|
|
LZ4_loadDictHC(&LZ4_streamHC, chunkP[0].origBuffer, chunkP[0].origSize);
|
|
break;
|
|
default :
|
|
continue; /* unknown ID : just skip */
|
|
}
|
|
|
|
for (loopNb = 1; loopNb <= g_nbIterations; loopNb++) {
|
|
double averageTime;
|
|
clock_t clockTime;
|
|
|
|
PROGRESS("%2i-%-34.34s :%10i ->\r", loopNb, compressorName, (int)benchedSize);
|
|
{ size_t i; for (i=0; i<benchedSize; i++) compressed_buff[i]=(char)i; } /* warming up memory */
|
|
|
|
nb_loops = 0;
|
|
clockTime = clock();
|
|
while(clock() == clockTime);
|
|
clockTime = clock();
|
|
while(BMK_GetClockSpan(clockTime) < TIMELOOP) {
|
|
if (initFunction!=NULL) initFunction();
|
|
for (chunkNb=0; chunkNb<nbChunks; chunkNb++) {
|
|
chunkP[chunkNb].compressedSize = compressionFunction(chunkP[chunkNb].origBuffer, chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origSize);
|
|
if (chunkP[chunkNb].compressedSize==0) {
|
|
DISPLAY("ERROR ! %s() = 0 !! \n", compressorName);
|
|
exit(1);
|
|
} }
|
|
nb_loops++;
|
|
}
|
|
clockTime = BMK_GetClockSpan(clockTime);
|
|
|
|
nb_loops += !nb_loops; /* avoid division by zero */
|
|
averageTime = ((double)clockTime) / nb_loops / CLOCKS_PER_SEC;
|
|
if (averageTime < bestTime) bestTime = averageTime;
|
|
cSize=0; for (chunkNb=0; chunkNb<nbChunks; chunkNb++) cSize += (size_t)chunkP[chunkNb].compressedSize;
|
|
ratio = (double)cSize/(double)benchedSize*100.;
|
|
PROGRESS("%2i-%-34.34s :%10i ->%9i (%5.2f%%),%7.1f MB/s\r", loopNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000000);
|
|
}
|
|
|
|
if (ratio<100.)
|
|
DISPLAY("%2i-%-34.34s :%10i ->%9i (%5.2f%%),%7.1f MB/s\n", cAlgNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000000);
|
|
else
|
|
DISPLAY("%2i-%-34.34s :%10i ->%9i (%5.1f%%),%7.1f MB/s\n", cAlgNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 100000);
|
|
}
|
|
|
|
/* Prepare layout for decompression */
|
|
/* Init data chunks */
|
|
{ int i;
|
|
size_t remaining = benchedSize;
|
|
char* in = orig_buff;
|
|
char* out = compressed_buff;
|
|
|
|
nbChunks = (int) (((int)benchedSize + (g_chunkSize-1))/ g_chunkSize);
|
|
for (i=0; i<nbChunks; i++) {
|
|
chunkP[i].id = (U32)i;
|
|
chunkP[i].origBuffer = in; in += g_chunkSize;
|
|
if ((int)remaining > g_chunkSize) {
|
|
chunkP[i].origSize = g_chunkSize;
|
|
remaining -= (size_t)g_chunkSize;
|
|
} else {
|
|
chunkP[i].origSize = (int)remaining;
|
|
remaining = 0;
|
|
}
|
|
chunkP[i].compressedBuffer = out; out += maxCompressedChunkSize;
|
|
chunkP[i].compressedSize = 0;
|
|
}
|
|
}
|
|
for (chunkNb=0; chunkNb<nbChunks; chunkNb++) {
|
|
chunkP[chunkNb].compressedSize = LZ4_compress_default(chunkP[chunkNb].origBuffer, chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origSize, maxCompressedChunkSize);
|
|
if (chunkP[chunkNb].compressedSize==0) {
|
|
DISPLAY("ERROR ! %s() = 0 !! \n", "LZ4_compress");
|
|
exit(1);
|
|
} }
|
|
|
|
/* Decompression Algorithms */
|
|
for (dAlgNb=0; (dAlgNb <= NB_DECOMPRESSION_ALGORITHMS) && g_decompressionTest; dAlgNb++) {
|
|
const char* dName = NULL;
|
|
int (*decompressionFunction)(const char*, char*, int, int) = NULL;
|
|
double bestTime = 100000000.;
|
|
int checkResult = 1;
|
|
|
|
if ((g_decompressionAlgo != ALL_DECOMPRESSORS) && (g_decompressionAlgo != dAlgNb)) continue;
|
|
|
|
switch(dAlgNb)
|
|
{
|
|
case 0: DISPLAY("Decompression functions : \n"); continue;
|
|
case 1: decompressionFunction = local_LZ4_decompress_fast; dName = "LZ4_decompress_fast"; break;
|
|
case 2: decompressionFunction = local_LZ4_decompress_fast_usingDict_prefix; dName = "LZ4_decompress_fast_usingDict(prefix)"; break;
|
|
case 3: decompressionFunction = local_LZ4_decompress_fast_usingExtDict; dName = "LZ4_decompress_fast_using(Ext)Dict"; break;
|
|
case 4: decompressionFunction = LZ4_decompress_safe; dName = "LZ4_decompress_safe"; break;
|
|
case 5: decompressionFunction = local_LZ4_decompress_safe_withPrefix64k; dName = "LZ4_decompress_safe_withPrefix64k"; break;
|
|
case 6: decompressionFunction = local_LZ4_decompress_safe_usingDict; dName = "LZ4_decompress_safe_usingDict"; break;
|
|
case 7: decompressionFunction = local_LZ4_decompress_safe_partial; dName = "LZ4_decompress_safe_partial"; checkResult = 0; break;
|
|
#ifndef LZ4_DLL_IMPORT
|
|
case 8: decompressionFunction = local_LZ4_decompress_safe_forceExtDict; dName = "LZ4_decompress_safe_forceExtDict"; break;
|
|
#endif
|
|
case 10:
|
|
case 11:
|
|
case 12:
|
|
if (dAlgNb == 10) { decompressionFunction = local_LZ4F_decompress; dName = "LZ4F_decompress"; } /* can be skipped */
|
|
if (dAlgNb == 11) { decompressionFunction = local_LZ4F_decompress_followHint; dName = "LZ4F_decompress_followHint"; } /* can be skipped */
|
|
if (dAlgNb == 12) { decompressionFunction = local_LZ4F_decompress_noHint; dName = "LZ4F_decompress_noHint"; } /* can be skipped */
|
|
/* prepare compressed data using frame format */
|
|
{ size_t const fcsize = LZ4F_compressFrame(compressed_buff, (size_t)compressedBuffSize, orig_buff, benchedSize, NULL);
|
|
assert(!LZ4F_isError(fcsize));
|
|
chunkP[0].origSize = (int)benchedSize;
|
|
chunkP[0].compressedSize = (int)fcsize;
|
|
nbChunks = 1;
|
|
break;
|
|
}
|
|
default :
|
|
continue; /* skip if unknown ID */
|
|
}
|
|
|
|
assert(decompressionFunction != NULL);
|
|
assert(dName != NULL);
|
|
|
|
{ size_t i; for (i=0; i<benchedSize; i++) orig_buff[i]=0; } /* zeroing source area, for CRC checking */
|
|
|
|
for (loopNb = 1; loopNb <= g_nbIterations; loopNb++) {
|
|
double averageTime;
|
|
clock_t clockTime;
|
|
U32 crcDecoded;
|
|
|
|
PROGRESS("%2i-%-34.34s :%10i ->\r", loopNb, dName, (int)benchedSize);
|
|
|
|
nb_loops = 0;
|
|
clockTime = clock();
|
|
while(clock() == clockTime);
|
|
clockTime = clock();
|
|
while(BMK_GetClockSpan(clockTime) < TIMELOOP) {
|
|
for (chunkNb=0; chunkNb<nbChunks; chunkNb++) {
|
|
int const decodedSize = decompressionFunction(chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origBuffer,
|
|
chunkP[chunkNb].compressedSize, chunkP[chunkNb].origSize);
|
|
if (chunkP[chunkNb].origSize != decodedSize) {
|
|
DISPLAY("ERROR ! %s() == %i != %i !! \n",
|
|
dName, decodedSize, chunkP[chunkNb].origSize);
|
|
exit(1);
|
|
} }
|
|
nb_loops++;
|
|
}
|
|
clockTime = BMK_GetClockSpan(clockTime);
|
|
|
|
nb_loops += !nb_loops; /* Avoid division by zero */
|
|
averageTime = (double)clockTime / nb_loops / CLOCKS_PER_SEC;
|
|
if (averageTime < bestTime) bestTime = averageTime;
|
|
|
|
PROGRESS("%2i-%-34.34s :%10i -> %7.1f MB/s\r", loopNb, dName, (int)benchedSize, (double)benchedSize / bestTime / 1000000);
|
|
|
|
/* CRC Checking */
|
|
crcDecoded = XXH32(orig_buff, benchedSize, 0);
|
|
if (checkResult && (crcOriginal!=crcDecoded)) {
|
|
DISPLAY("\n!!! WARNING !!! %14s : Invalid Checksum : %x != %x\n",
|
|
inFileName, (unsigned)crcOriginal, (unsigned)crcDecoded);
|
|
exit(1);
|
|
} }
|
|
|
|
DISPLAY("%2i-%-34.34s :%10i -> %7.1f MB/s\n", dAlgNb, dName, (int)benchedSize, (double)benchedSize / bestTime / 1000000);
|
|
}
|
|
}
|
|
free(orig_buff);
|
|
free(compressed_buff);
|
|
free(chunkP);
|
|
}
|
|
|
|
LZ4F_freeDecompressionContext(g_dCtx);
|
|
if (g_pause) { printf("press enter...\n"); (void)getchar(); }
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int usage(const char* exename)
|
|
{
|
|
DISPLAY( "Usage :\n");
|
|
DISPLAY( " %s [arg] file1 file2 ... fileX\n", exename);
|
|
DISPLAY( "Arguments :\n");
|
|
DISPLAY( " -c : compression tests only\n");
|
|
DISPLAY( " -d : decompression tests only\n");
|
|
DISPLAY( " -H/-h : Help (this text + advanced options)\n");
|
|
return 0;
|
|
}
|
|
|
|
static int usage_advanced(void)
|
|
{
|
|
DISPLAY( "\nAdvanced options :\n");
|
|
DISPLAY( " -c# : test only compression function # [1-%i]\n", NB_COMPRESSION_ALGORITHMS);
|
|
DISPLAY( " -d# : test only decompression function # [1-%i]\n", NB_DECOMPRESSION_ALGORITHMS);
|
|
DISPLAY( " -i# : iteration loops [1-9](default : %i)\n", NBLOOPS);
|
|
DISPLAY( " -B# : Block size [4-7](default : 7)\n");
|
|
return 0;
|
|
}
|
|
|
|
static int badusage(const char* exename)
|
|
{
|
|
DISPLAY("Wrong parameters\n");
|
|
usage(exename);
|
|
return 0;
|
|
}
|
|
|
|
int main(int argc, const char** argv)
|
|
{
|
|
int i,
|
|
filenamesStart=2;
|
|
const char* exename = argv[0];
|
|
const char* input_filename=0;
|
|
|
|
// Welcome message
|
|
DISPLAY(WELCOME_MESSAGE);
|
|
|
|
if (argc<2) { badusage(exename); return 1; }
|
|
|
|
for(i=1; i<argc; i++) {
|
|
const char* argument = argv[i];
|
|
|
|
if(!argument) continue; // Protection if argument empty
|
|
if (!strcmp(argument, "--no-prompt")) {
|
|
g_noPrompt = 1;
|
|
continue;
|
|
}
|
|
|
|
// Decode command (note : aggregated commands are allowed)
|
|
if (argument[0]=='-') {
|
|
while (argument[1]!=0) {
|
|
argument ++;
|
|
|
|
switch(argument[0])
|
|
{
|
|
// Select compression algorithm only
|
|
case 'c':
|
|
g_decompressionTest = 0;
|
|
while ((argument[1]>= '0') && (argument[1]<= '9')) {
|
|
g_compressionAlgo *= 10;
|
|
g_compressionAlgo += argument[1] - '0';
|
|
argument++;
|
|
}
|
|
break;
|
|
|
|
// Select decompression algorithm only
|
|
case 'd':
|
|
g_compressionTest = 0;
|
|
while ((argument[1]>= '0') && (argument[1]<= '9')) {
|
|
g_decompressionAlgo *= 10;
|
|
g_decompressionAlgo += argument[1] - '0';
|
|
argument++;
|
|
}
|
|
break;
|
|
|
|
// Display help on usage
|
|
case 'h' :
|
|
case 'H': usage(exename); usage_advanced(); return 0;
|
|
|
|
// Modify Block Properties
|
|
case 'B':
|
|
while (argument[1]!=0)
|
|
switch(argument[1])
|
|
{
|
|
case '4':
|
|
case '5':
|
|
case '6':
|
|
case '7':
|
|
{ int B = argument[1] - '0';
|
|
int S = 1 << (8 + 2*B);
|
|
BMK_setBlocksize(S);
|
|
argument++;
|
|
break;
|
|
}
|
|
case 'D': argument++; break;
|
|
default : goto _exit_blockProperties;
|
|
}
|
|
_exit_blockProperties:
|
|
break;
|
|
|
|
// Modify Nb Iterations
|
|
case 'i':
|
|
if ((argument[1] >='0') && (argument[1] <='9')) {
|
|
int iters = argument[1] - '0';
|
|
BMK_setNbIterations(iters);
|
|
argument++;
|
|
}
|
|
break;
|
|
|
|
// Pause at the end (hidden option)
|
|
case 'p': BMK_setPause(); break;
|
|
|
|
// Unknown command
|
|
default : badusage(exename); return 1;
|
|
}
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// first provided filename is input
|
|
if (!input_filename) { input_filename=argument; filenamesStart=i; continue; }
|
|
|
|
}
|
|
|
|
// No input filename ==> Error
|
|
if(!input_filename) { badusage(exename); return 1; }
|
|
|
|
return fullSpeedBench(argv+filenamesStart, argc-filenamesStart);
|
|
|
|
}
|