diff options
author | yann.collet.73@gmail.com <yann.collet.73@gmail.com@650e7d94-2a16-8b24-b05c-7c0b3f6821cd> | 2013-12-30 17:16:52 (GMT) |
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committer | yann.collet.73@gmail.com <yann.collet.73@gmail.com@650e7d94-2a16-8b24-b05c-7c0b3f6821cd> | 2013-12-30 17:16:52 (GMT) |
commit | fb38ddaacb150e05b9d73c2a08d052ce746e37ba (patch) | |
tree | 68ec87e282fca8b1c88f44c7c4700997d3095ca3 /bench.c | |
parent | 8ac549f10a3bb36575621f7d969bde22a8aa7de1 (diff) | |
download | lz4-fb38ddaacb150e05b9d73c2a08d052ce746e37ba.zip lz4-fb38ddaacb150e05b9d73c2a08d052ce746e37ba.tar.gz lz4-fb38ddaacb150e05b9d73c2a08d052ce746e37ba.tar.bz2 |
lz4 & lz4hc : added capability to allocate state & stream state with custom allocator (issue 99)
fuzzer & fullbench : updated to test new functions
man : documented -l command (Legacy format, for Linux kernel compression) (issue 102)
cmake : improved version by Mika Attila, building programs and libraries (issue 100)
xxHash : updated to r33
Makefile : clean also delete local package .tar.gz
git-svn-id: https://lz4.googlecode.com/svn/trunk@110 650e7d94-2a16-8b24-b05c-7c0b3f6821cd
Diffstat (limited to 'bench.c')
-rw-r--r-- | bench.c | 882 |
1 files changed, 441 insertions, 441 deletions
@@ -1,441 +1,441 @@ -/*
- bench.c - Demo program to benchmark open-source compression algorithm
- Copyright (C) Yann Collet 2012-2013
- GPL v2 License
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-
- You can contact the author at :
- - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html
- - LZ4 source repository : http://code.google.com/p/lz4/
-*/
-
-//**************************************
-// Compiler Options
-//**************************************
-// Disable some Visual warning messages
-#define _CRT_SECURE_NO_WARNINGS
-#define _CRT_SECURE_NO_DEPRECATE // VS2005
-
-// Unix Large Files support (>4GB)
-#define _FILE_OFFSET_BITS 64
-#if (defined(__sun__) && (!defined(__LP64__))) // Sun Solaris 32-bits requires specific definitions
-# define _LARGEFILE_SOURCE
-#elif ! defined(__LP64__) // No point defining Large file for 64 bit
-# define _LARGEFILE64_SOURCE
-#endif
-
-// S_ISREG & gettimeofday() are not supported by MSVC
-#if defined(_MSC_VER) || defined(_WIN32)
-# define BMK_LEGACY_TIMER 1
-#endif
-
-
-//**************************************
-// Includes
-//**************************************
-#include <stdlib.h> // malloc
-#include <stdio.h> // fprintf, fopen, ftello64
-#include <sys/types.h> // stat64
-#include <sys/stat.h> // stat64
-
-// Use ftime() if gettimeofday() is not available on your target
-#if defined(BMK_LEGACY_TIMER)
-# include <sys/timeb.h> // timeb, ftime
-#else
-# include <sys/time.h> // gettimeofday
-#endif
-
-#include "lz4.h"
-#define COMPRESSOR0 LZ4_compress
-#include "lz4hc.h"
-#define COMPRESSOR1 LZ4_compressHC
-#define DEFAULTCOMPRESSOR COMPRESSOR0
-
-#include "xxhash.h"
-
-
-//**************************************
-// Compiler specifics
-//**************************************
-#if !defined(S_ISREG)
-# define S_ISREG(x) (((x) & S_IFMT) == S_IFREG)
-#endif
-
-// GCC does not support _rotl outside of Windows
-#if !defined(_WIN32)
-# define _rotl(x,r) ((x << r) | (x >> (32 - r)))
-#endif
-
-
-//**************************************
-// Basic Types
-//**************************************
-#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L // C99
-# include <stdint.h>
- typedef uint8_t BYTE;
- typedef uint16_t U16;
- typedef uint32_t U32;
- typedef int32_t S32;
- typedef uint64_t U64;
-#else
- typedef unsigned char BYTE;
- typedef unsigned short U16;
- typedef unsigned int U32;
- typedef signed int S32;
- typedef unsigned long long U64;
-#endif
-
-
-//**************************************
-// Constants
-//**************************************
-#define NBLOOPS 3
-#define TIMELOOP 2000
-
-#define KB *(1U<<10)
-#define MB *(1U<<20)
-#define GB *(1U<<30)
-
-#define KNUTH 2654435761U
-#define MAX_MEM (2 GB - 64 MB)
-#define DEFAULT_CHUNKSIZE (4 MB)
-
-
-//**************************************
-// Local structures
-//**************************************
-struct chunkParameters
-{
- U32 id;
- char* origBuffer;
- char* compressedBuffer;
- int origSize;
- int compressedSize;
-};
-
-struct compressionParameters
-{
- int (*compressionFunction)(const char*, char*, int);
- int (*decompressionFunction)(const char*, char*, int);
-};
-
-
-//**************************************
-// MACRO
-//**************************************
-#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
-
-
-
-//**************************************
-// Benchmark Parameters
-//**************************************
-static int chunkSize = DEFAULT_CHUNKSIZE;
-static int nbIterations = NBLOOPS;
-static int BMK_pause = 0;
-
-void BMK_SetBlocksize(int bsize) { chunkSize = bsize; }
-
-void BMK_SetNbIterations(int nbLoops)
-{
- nbIterations = nbLoops;
- DISPLAY("- %i iterations -\n", nbIterations);
-}
-
-void BMK_SetPause() { BMK_pause = 1; }
-
-
-//*********************************************************
-// Private functions
-//*********************************************************
-
-#if defined(BMK_LEGACY_TIMER)
-
-static int BMK_GetMilliStart()
-{
- // Based on Legacy ftime()
- // Rolls over every ~ 12.1 days (0x100000/24/60/60)
- // Use GetMilliSpan to correct for rollover
- struct timeb tb;
- int nCount;
- ftime( &tb );
- nCount = (int) (tb.millitm + (tb.time & 0xfffff) * 1000);
- return nCount;
-}
-
-#else
-
-static int BMK_GetMilliStart()
-{
- // Based on newer gettimeofday()
- // Use GetMilliSpan to correct for rollover
- struct timeval tv;
- int nCount;
- gettimeofday(&tv, NULL);
- nCount = (int) (tv.tv_usec/1000 + (tv.tv_sec & 0xfffff) * 1000);
- return nCount;
-}
-
-#endif
-
-
-static int BMK_GetMilliSpan( int nTimeStart )
-{
- int nSpan = BMK_GetMilliStart() - nTimeStart;
- if ( nSpan < 0 )
- nSpan += 0x100000 * 1000;
- return nSpan;
-}
-
-
-static size_t BMK_findMaxMem(U64 requiredMem)
-{
- size_t step = (64 MB);
- BYTE* testmem=NULL;
-
- requiredMem = (((requiredMem >> 26) + 1) << 26);
- requiredMem += 2*step;
- if (requiredMem > MAX_MEM) requiredMem = MAX_MEM;
-
- while (!testmem)
- {
- requiredMem -= step;
- testmem = (BYTE*) malloc ((size_t)requiredMem);
- }
-
- free (testmem);
- return (size_t) (requiredMem - step);
-}
-
-
-static U64 BMK_GetFileSize(char* infilename)
-{
- int r;
-#if defined(_MSC_VER)
- struct _stat64 statbuf;
- r = _stat64(infilename, &statbuf);
-#else
- struct stat statbuf;
- r = stat(infilename, &statbuf);
-#endif
- if (r || !S_ISREG(statbuf.st_mode)) return 0; // No good...
- return (U64)statbuf.st_size;
-}
-
-
-//*********************************************************
-// Public function
-//*********************************************************
-
-int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
-{
- int fileIdx=0;
- char* orig_buff;
- struct compressionParameters compP;
- int cfunctionId;
-
- U64 totals = 0;
- U64 totalz = 0;
- double totalc = 0.;
- double totald = 0.;
-
-
- // Init
- if (cLevel <3) cfunctionId = 0; else cfunctionId = 1;
- switch (cfunctionId)
- {
-#ifdef COMPRESSOR0
- case 0 : compP.compressionFunction = COMPRESSOR0; break;
-#endif
-#ifdef COMPRESSOR1
- case 1 : compP.compressionFunction = COMPRESSOR1; break;
-#endif
- default : compP.compressionFunction = DEFAULTCOMPRESSOR;
- }
- compP.decompressionFunction = LZ4_decompress_fast;
-
- // Loop for each file
- while (fileIdx<nbFiles)
- {
- FILE* inFile;
- char* inFileName;
- U64 inFileSize;
- size_t benchedSize;
- int nbChunks;
- int maxCompressedChunkSize;
- size_t readSize;
- char* compressedBuffer; int compressedBuffSize;
- struct chunkParameters* chunkP;
- U32 crcOrig;
-
- // Check file existence
- inFileName = fileNamesTable[fileIdx++];
- inFile = fopen( inFileName, "rb" );
- if (inFile==NULL)
- {
- DISPLAY( "Pb opening %s\n", inFileName);
- return 11;
- }
-
- // Memory allocation & restrictions
- inFileSize = BMK_GetFileSize(inFileName);
- benchedSize = (size_t) BMK_findMaxMem(inFileSize * 2) / 2;
- if ((U64)benchedSize > inFileSize) benchedSize = (size_t)inFileSize;
- if (benchedSize < inFileSize)
- {
- DISPLAY("Not enough memory for '%s' full size; testing %i MB only...\n", inFileName, (int)(benchedSize>>20));
- }
-
- // Alloc
- chunkP = (struct chunkParameters*) malloc(((benchedSize / chunkSize)+1) * sizeof(struct chunkParameters));
- orig_buff = (char*)malloc((size_t )benchedSize);
- nbChunks = (int) (benchedSize / chunkSize) + 1;
- maxCompressedChunkSize = LZ4_compressBound(chunkSize);
- compressedBuffSize = nbChunks * maxCompressedChunkSize;
- compressedBuffer = (char*)malloc((size_t )compressedBuffSize);
-
-
- if (!orig_buff || !compressedBuffer)
- {
- DISPLAY("\nError: not enough memory!\n");
- free(orig_buff);
- free(compressedBuffer);
- free(chunkP);
- fclose(inFile);
- return 12;
- }
-
- // Init chunks data
- {
- int i;
- size_t remaining = benchedSize;
- char* in = orig_buff;
- char* out = compressedBuffer;
- for (i=0; i<nbChunks; i++)
- {
- chunkP[i].id = i;
- chunkP[i].origBuffer = in; in += chunkSize;
- if ((int)remaining > chunkSize) { chunkP[i].origSize = chunkSize; remaining -= chunkSize; } else { chunkP[i].origSize = (int)remaining; remaining = 0; }
- chunkP[i].compressedBuffer = out; out += maxCompressedChunkSize;
- chunkP[i].compressedSize = 0;
- }
- }
-
- // Fill input buffer
- DISPLAY("Loading %s... \r", inFileName);
- readSize = fread(orig_buff, 1, benchedSize, inFile);
- fclose(inFile);
-
- if (readSize != benchedSize)
- {
- DISPLAY("\nError: problem reading file '%s' !! \n", inFileName);
- free(orig_buff);
- free(compressedBuffer);
- free(chunkP);
- return 13;
- }
-
- // Calculating input Checksum
- crcOrig = XXH32(orig_buff, (unsigned int)benchedSize,0);
-
-
- // Bench
- {
- int loopNb, chunkNb;
- size_t cSize=0;
- double fastestC = 100000000., fastestD = 100000000.;
- double ratio=0.;
- U32 crcCheck=0;
-
- DISPLAY("\r%79s\r", "");
- for (loopNb = 1; loopNb <= nbIterations; loopNb++)
- {
- int nbLoops;
- int milliTime;
-
- // Compression
- DISPLAY("%1i-%-14.14s : %9i ->\r", loopNb, inFileName, (int)benchedSize);
- { size_t i; for (i=0; i<benchedSize; i++) compressedBuffer[i]=(char)i; } // warmimg up memory
-
- nbLoops = 0;
- milliTime = BMK_GetMilliStart();
- while(BMK_GetMilliStart() == milliTime);
- milliTime = BMK_GetMilliStart();
- while(BMK_GetMilliSpan(milliTime) < TIMELOOP)
- {
- for (chunkNb=0; chunkNb<nbChunks; chunkNb++)
- chunkP[chunkNb].compressedSize = compP.compressionFunction(chunkP[chunkNb].origBuffer, chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origSize);
- nbLoops++;
- }
- milliTime = BMK_GetMilliSpan(milliTime);
-
- if ((double)milliTime < fastestC*nbLoops) fastestC = (double)milliTime/nbLoops;
- cSize=0; for (chunkNb=0; chunkNb<nbChunks; chunkNb++) cSize += chunkP[chunkNb].compressedSize;
- ratio = (double)cSize/(double)benchedSize*100.;
-
- DISPLAY("%1i-%-14.14s : %9i -> %9i (%5.2f%%),%7.1f MB/s\r", loopNb, inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / fastestC / 1000.);
-
- // Decompression
- { size_t i; for (i=0; i<benchedSize; i++) orig_buff[i]=0; } // zeroing area, for CRC checking
-
- nbLoops = 0;
- milliTime = BMK_GetMilliStart();
- while(BMK_GetMilliStart() == milliTime);
- milliTime = BMK_GetMilliStart();
- while(BMK_GetMilliSpan(milliTime) < TIMELOOP)
- {
- for (chunkNb=0; chunkNb<nbChunks; chunkNb++)
- chunkP[chunkNb].compressedSize = LZ4_decompress_fast(chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origBuffer, chunkP[chunkNb].origSize);
- nbLoops++;
- }
- milliTime = BMK_GetMilliSpan(milliTime);
-
- if ((double)milliTime < fastestD*nbLoops) fastestD = (double)milliTime/nbLoops;
- DISPLAY("%1i-%-14.14s : %9i -> %9i (%5.2f%%),%7.1f MB/s ,%7.1f MB/s\r", loopNb, inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / fastestC / 1000., (double)benchedSize / fastestD / 1000.);
-
- // CRC Checking
- crcCheck = XXH32(orig_buff, (unsigned int)benchedSize,0);
- if (crcOrig!=crcCheck) { DISPLAY("\n!!! WARNING !!! %14s : Invalid Checksum : %x != %x\n", inFileName, (unsigned)crcOrig, (unsigned)crcCheck); break; }
- }
-
- if (crcOrig==crcCheck)
- {
- if (ratio<100.)
- DISPLAY("%-16.16s : %9i -> %9i (%5.2f%%),%7.1f MB/s ,%7.1f MB/s\n", inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / fastestC / 1000., (double)benchedSize / fastestD / 1000.);
- else
- DISPLAY("%-16.16s : %9i -> %9i (%5.1f%%),%7.1f MB/s ,%7.1f MB/s \n", inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / fastestC / 1000., (double)benchedSize / fastestD / 1000.);
- }
- totals += benchedSize;
- totalz += cSize;
- totalc += fastestC;
- totald += fastestD;
- }
-
- free(orig_buff);
- free(compressedBuffer);
- free(chunkP);
- }
-
- if (nbFiles > 1)
- DISPLAY("%-16.16s :%10llu ->%10llu (%5.2f%%), %6.1f MB/s , %6.1f MB/s\n", " TOTAL", (long long unsigned int)totals, (long long unsigned int)totalz, (double)totalz/(double)totals*100., (double)totals/totalc/1000., (double)totals/totald/1000.);
-
- if (BMK_pause) { DISPLAY("press enter...\n"); getchar(); }
-
- return 0;
-}
-
-
-
+/* + bench.c - Demo program to benchmark open-source compression algorithm + Copyright (C) Yann Collet 2012-2013 + GPL v2 License + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + + You can contact the author at : + - LZ4 homepage : http://fastcompression.blogspot.com/p/lz4.html + - LZ4 source repository : http://code.google.com/p/lz4/ +*/ + +//************************************** +// Compiler Options +//************************************** +// Disable some Visual warning messages +#define _CRT_SECURE_NO_WARNINGS +#define _CRT_SECURE_NO_DEPRECATE // VS2005 + +// Unix Large Files support (>4GB) +#define _FILE_OFFSET_BITS 64 +#if (defined(__sun__) && (!defined(__LP64__))) // Sun Solaris 32-bits requires specific definitions +# define _LARGEFILE_SOURCE +#elif ! defined(__LP64__) // No point defining Large file for 64 bit +# define _LARGEFILE64_SOURCE +#endif + +// S_ISREG & gettimeofday() are not supported by MSVC +#if defined(_MSC_VER) || defined(_WIN32) +# define BMK_LEGACY_TIMER 1 +#endif + + +//************************************** +// Includes +//************************************** +#include <stdlib.h> // malloc +#include <stdio.h> // fprintf, fopen, ftello64 +#include <sys/types.h> // stat64 +#include <sys/stat.h> // stat64 + +// Use ftime() if gettimeofday() is not available on your target +#if defined(BMK_LEGACY_TIMER) +# include <sys/timeb.h> // timeb, ftime +#else +# include <sys/time.h> // gettimeofday +#endif + +#include "lz4.h" +#define COMPRESSOR0 LZ4_compress +#include "lz4hc.h" +#define COMPRESSOR1 LZ4_compressHC +#define DEFAULTCOMPRESSOR COMPRESSOR0 + +#include "xxhash.h" + + +//************************************** +// Compiler specifics +//************************************** +#if !defined(S_ISREG) +# define S_ISREG(x) (((x) & S_IFMT) == S_IFREG) +#endif + +// GCC does not support _rotl outside of Windows +#if !defined(_WIN32) +# define _rotl(x,r) ((x << r) | (x >> (32 - r))) +#endif + + +//************************************** +// Basic Types +//************************************** +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L // C99 +# include <stdint.h> + typedef uint8_t BYTE; + typedef uint16_t U16; + typedef uint32_t U32; + typedef int32_t S32; + typedef uint64_t U64; +#else + typedef unsigned char BYTE; + typedef unsigned short U16; + typedef unsigned int U32; + typedef signed int S32; + typedef unsigned long long U64; +#endif + + +//************************************** +// Constants +//************************************** +#define NBLOOPS 3 +#define TIMELOOP 2000 + +#define KB *(1U<<10) +#define MB *(1U<<20) +#define GB *(1U<<30) + +#define KNUTH 2654435761U +#define MAX_MEM (2 GB - 64 MB) +#define DEFAULT_CHUNKSIZE (4 MB) + + +//************************************** +// Local structures +//************************************** +struct chunkParameters +{ + U32 id; + char* origBuffer; + char* compressedBuffer; + int origSize; + int compressedSize; +}; + +struct compressionParameters +{ + int (*compressionFunction)(const char*, char*, int); + int (*decompressionFunction)(const char*, char*, int); +}; + + +//************************************** +// MACRO +//************************************** +#define DISPLAY(...) fprintf(stderr, __VA_ARGS__) + + + +//************************************** +// Benchmark Parameters +//************************************** +static int chunkSize = DEFAULT_CHUNKSIZE; +static int nbIterations = NBLOOPS; +static int BMK_pause = 0; + +void BMK_SetBlocksize(int bsize) { chunkSize = bsize; } + +void BMK_SetNbIterations(int nbLoops) +{ + nbIterations = nbLoops; + DISPLAY("- %i iterations -\n", nbIterations); +} + +void BMK_SetPause() { BMK_pause = 1; } + + +//********************************************************* +// Private functions +//********************************************************* + +#if defined(BMK_LEGACY_TIMER) + +static int BMK_GetMilliStart() +{ + // Based on Legacy ftime() + // Rolls over every ~ 12.1 days (0x100000/24/60/60) + // Use GetMilliSpan to correct for rollover + struct timeb tb; + int nCount; + ftime( &tb ); + nCount = (int) (tb.millitm + (tb.time & 0xfffff) * 1000); + return nCount; +} + +#else + +static int BMK_GetMilliStart() +{ + // Based on newer gettimeofday() + // Use GetMilliSpan to correct for rollover + struct timeval tv; + int nCount; + gettimeofday(&tv, NULL); + nCount = (int) (tv.tv_usec/1000 + (tv.tv_sec & 0xfffff) * 1000); + return nCount; +} + +#endif + + +static int BMK_GetMilliSpan( int nTimeStart ) +{ + int nSpan = BMK_GetMilliStart() - nTimeStart; + if ( nSpan < 0 ) + nSpan += 0x100000 * 1000; + return nSpan; +} + + +static size_t BMK_findMaxMem(U64 requiredMem) +{ + size_t step = (64 MB); + BYTE* testmem=NULL; + + requiredMem = (((requiredMem >> 26) + 1) << 26); + requiredMem += 2*step; + if (requiredMem > MAX_MEM) requiredMem = MAX_MEM; + + while (!testmem) + { + requiredMem -= step; + testmem = (BYTE*) malloc ((size_t)requiredMem); + } + + free (testmem); + return (size_t) (requiredMem - step); +} + + +static U64 BMK_GetFileSize(char* infilename) +{ + int r; +#if defined(_MSC_VER) + struct _stat64 statbuf; + r = _stat64(infilename, &statbuf); +#else + struct stat statbuf; + r = stat(infilename, &statbuf); +#endif + if (r || !S_ISREG(statbuf.st_mode)) return 0; // No good... + return (U64)statbuf.st_size; +} + + +//********************************************************* +// Public function +//********************************************************* + +int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel) +{ + int fileIdx=0; + char* orig_buff; + struct compressionParameters compP; + int cfunctionId; + + U64 totals = 0; + U64 totalz = 0; + double totalc = 0.; + double totald = 0.; + + + // Init + if (cLevel <3) cfunctionId = 0; else cfunctionId = 1; + switch (cfunctionId) + { +#ifdef COMPRESSOR0 + case 0 : compP.compressionFunction = COMPRESSOR0; break; +#endif +#ifdef COMPRESSOR1 + case 1 : compP.compressionFunction = COMPRESSOR1; break; +#endif + default : compP.compressionFunction = DEFAULTCOMPRESSOR; + } + compP.decompressionFunction = LZ4_decompress_fast; + + // Loop for each file + while (fileIdx<nbFiles) + { + FILE* inFile; + char* inFileName; + U64 inFileSize; + size_t benchedSize; + int nbChunks; + int maxCompressedChunkSize; + size_t readSize; + char* compressedBuffer; int compressedBuffSize; + struct chunkParameters* chunkP; + U32 crcOrig; + + // Check file existence + inFileName = fileNamesTable[fileIdx++]; + inFile = fopen( inFileName, "rb" ); + if (inFile==NULL) + { + DISPLAY( "Pb opening %s\n", inFileName); + return 11; + } + + // Memory allocation & restrictions + inFileSize = BMK_GetFileSize(inFileName); + benchedSize = (size_t) BMK_findMaxMem(inFileSize * 2) / 2; + if ((U64)benchedSize > inFileSize) benchedSize = (size_t)inFileSize; + if (benchedSize < inFileSize) + { + DISPLAY("Not enough memory for '%s' full size; testing %i MB only...\n", inFileName, (int)(benchedSize>>20)); + } + + // Alloc + chunkP = (struct chunkParameters*) malloc(((benchedSize / chunkSize)+1) * sizeof(struct chunkParameters)); + orig_buff = (char*)malloc((size_t )benchedSize); + nbChunks = (int) (benchedSize / chunkSize) + 1; + maxCompressedChunkSize = LZ4_compressBound(chunkSize); + compressedBuffSize = nbChunks * maxCompressedChunkSize; + compressedBuffer = (char*)malloc((size_t )compressedBuffSize); + + + if (!orig_buff || !compressedBuffer) + { + DISPLAY("\nError: not enough memory!\n"); + free(orig_buff); + free(compressedBuffer); + free(chunkP); + fclose(inFile); + return 12; + } + + // Init chunks data + { + int i; + size_t remaining = benchedSize; + char* in = orig_buff; + char* out = compressedBuffer; + for (i=0; i<nbChunks; i++) + { + chunkP[i].id = i; + chunkP[i].origBuffer = in; in += chunkSize; + if ((int)remaining > chunkSize) { chunkP[i].origSize = chunkSize; remaining -= chunkSize; } else { chunkP[i].origSize = (int)remaining; remaining = 0; } + chunkP[i].compressedBuffer = out; out += maxCompressedChunkSize; + chunkP[i].compressedSize = 0; + } + } + + // Fill input buffer + DISPLAY("Loading %s... \r", inFileName); + readSize = fread(orig_buff, 1, benchedSize, inFile); + fclose(inFile); + + if (readSize != benchedSize) + { + DISPLAY("\nError: problem reading file '%s' !! \n", inFileName); + free(orig_buff); + free(compressedBuffer); + free(chunkP); + return 13; + } + + // Calculating input Checksum + crcOrig = XXH32(orig_buff, (unsigned int)benchedSize,0); + + + // Bench + { + int loopNb, chunkNb; + size_t cSize=0; + double fastestC = 100000000., fastestD = 100000000.; + double ratio=0.; + U32 crcCheck=0; + + DISPLAY("\r%79s\r", ""); + for (loopNb = 1; loopNb <= nbIterations; loopNb++) + { + int nbLoops; + int milliTime; + + // Compression + DISPLAY("%1i-%-14.14s : %9i ->\r", loopNb, inFileName, (int)benchedSize); + { size_t i; for (i=0; i<benchedSize; i++) compressedBuffer[i]=(char)i; } // warmimg up memory + + nbLoops = 0; + milliTime = BMK_GetMilliStart(); + while(BMK_GetMilliStart() == milliTime); + milliTime = BMK_GetMilliStart(); + while(BMK_GetMilliSpan(milliTime) < TIMELOOP) + { + for (chunkNb=0; chunkNb<nbChunks; chunkNb++) + chunkP[chunkNb].compressedSize = compP.compressionFunction(chunkP[chunkNb].origBuffer, chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origSize); + nbLoops++; + } + milliTime = BMK_GetMilliSpan(milliTime); + + if ((double)milliTime < fastestC*nbLoops) fastestC = (double)milliTime/nbLoops; + cSize=0; for (chunkNb=0; chunkNb<nbChunks; chunkNb++) cSize += chunkP[chunkNb].compressedSize; + ratio = (double)cSize/(double)benchedSize*100.; + + DISPLAY("%1i-%-14.14s : %9i -> %9i (%5.2f%%),%7.1f MB/s\r", loopNb, inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / fastestC / 1000.); + + // Decompression + { size_t i; for (i=0; i<benchedSize; i++) orig_buff[i]=0; } // zeroing area, for CRC checking + + nbLoops = 0; + milliTime = BMK_GetMilliStart(); + while(BMK_GetMilliStart() == milliTime); + milliTime = BMK_GetMilliStart(); + while(BMK_GetMilliSpan(milliTime) < TIMELOOP) + { + for (chunkNb=0; chunkNb<nbChunks; chunkNb++) + chunkP[chunkNb].compressedSize = LZ4_decompress_fast(chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origBuffer, chunkP[chunkNb].origSize); + nbLoops++; + } + milliTime = BMK_GetMilliSpan(milliTime); + + if ((double)milliTime < fastestD*nbLoops) fastestD = (double)milliTime/nbLoops; + DISPLAY("%1i-%-14.14s : %9i -> %9i (%5.2f%%),%7.1f MB/s ,%7.1f MB/s\r", loopNb, inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / fastestC / 1000., (double)benchedSize / fastestD / 1000.); + + // CRC Checking + crcCheck = XXH32(orig_buff, (unsigned int)benchedSize,0); + if (crcOrig!=crcCheck) { DISPLAY("\n!!! WARNING !!! %14s : Invalid Checksum : %x != %x\n", inFileName, (unsigned)crcOrig, (unsigned)crcCheck); break; } + } + + if (crcOrig==crcCheck) + { + if (ratio<100.) + DISPLAY("%-16.16s : %9i -> %9i (%5.2f%%),%7.1f MB/s ,%7.1f MB/s\n", inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / fastestC / 1000., (double)benchedSize / fastestD / 1000.); + else + DISPLAY("%-16.16s : %9i -> %9i (%5.1f%%),%7.1f MB/s ,%7.1f MB/s \n", inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / fastestC / 1000., (double)benchedSize / fastestD / 1000.); + } + totals += benchedSize; + totalz += cSize; + totalc += fastestC; + totald += fastestD; + } + + free(orig_buff); + free(compressedBuffer); + free(chunkP); + } + + if (nbFiles > 1) + DISPLAY("%-16.16s :%10llu ->%10llu (%5.2f%%), %6.1f MB/s , %6.1f MB/s\n", " TOTAL", (long long unsigned int)totals, (long long unsigned int)totalz, (double)totalz/(double)totals*100., (double)totals/totalc/1000., (double)totals/totald/1000.); + + if (BMK_pause) { DISPLAY("\npress enter...\n"); getchar(); } + + return 0; +} + + + |