| /* |
| bench.c - Demo program to benchmark open-source compression algorithm |
| Copyright (C) Yann Collet 2012-2014 |
| 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) |
| #if (defined(__sun__) && (!defined(__LP64__))) // Sun Solaris 32-bits requires specific definitions |
| # define _LARGEFILE_SOURCE |
| # define _FILE_OFFSET_BITS 64 |
| #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 |
| #include <string.h> // strcmp |
| |
| // 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" |
| #include "lz4hc.h" |
| #include "lz4frame.h" |
| |
| #include "xxhash.h" |
| |
| |
| //************************************** |
| // Compiler Options |
| //************************************** |
| // S_ISREG & gettimeofday() are not supported by MSVC |
| #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 PROGRAM_DESCRIPTION "LZ4 speed analyzer" |
| #ifndef LZ4_VERSION |
| # define LZ4_VERSION "" |
| #endif |
| #define AUTHOR "Yann Collet" |
| #define WELCOME_MESSAGE "*** %s %s %i-bits, by %s (%s) ***\n", PROGRAM_DESCRIPTION, LZ4_VERSION, (int)(sizeof(void*)*8), AUTHOR, __DATE__ |
| |
| #define NBLOOPS 6 |
| #define TIMELOOP 2500 |
| |
| #define KNUTH 2654435761U |
| #define MAX_MEM (1984<<20) |
| #define DEFAULT_CHUNKSIZE (4<<20) |
| |
| #define ALL_COMPRESSORS 0 |
| #define ALL_DECOMPRESSORS 0 |
| |
| |
| //************************************** |
| // Local structures |
| //************************************** |
| struct chunkParameters |
| { |
| U32 id; |
| char* origBuffer; |
| char* compressedBuffer; |
| int origSize; |
| int compressedSize; |
| }; |
| |
| |
| //************************************** |
| // MACRO |
| //************************************** |
| #define DISPLAY(...) fprintf(stderr, __VA_ARGS__) |
| #define PROGRESS(...) no_prompt ? 0 : DISPLAY(__VA_ARGS__) |
| |
| |
| |
| //************************************** |
| // Benchmark Parameters |
| //************************************** |
| static int chunkSize = DEFAULT_CHUNKSIZE; |
| static int nbIterations = NBLOOPS; |
| static int BMK_pause = 0; |
| static int compressionTest = 1; |
| static int decompressionTest = 1; |
| static int compressionAlgo = ALL_COMPRESSORS; |
| static int decompressionAlgo = ALL_DECOMPRESSORS; |
| static int no_prompt = 0; |
| |
| void BMK_SetBlocksize(int bsize) |
| { |
| chunkSize = bsize; |
| DISPLAY("-Using Block Size of %i KB-\n", chunkSize>>10); |
| } |
| |
| void BMK_SetNbIterations(int nbLoops) |
| { |
| nbIterations = nbLoops; |
| DISPLAY("- %i iterations -\n", nbIterations); |
| } |
| |
| void BMK_SetPause(void) |
| { |
| BMK_pause = 1; |
| } |
| |
| //********************************************************* |
| // Private functions |
| //********************************************************* |
| |
| #if defined(BMK_LEGACY_TIMER) |
| |
| static int BMK_GetMilliStart(void) |
| { |
| // 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(void) |
| { |
| // 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 = (64U<<20); // 64 MB |
| BYTE* testmem=NULL; |
| |
| requiredMem = (((requiredMem >> 25) + 1) << 26); |
| if (requiredMem > MAX_MEM) requiredMem = MAX_MEM; |
| |
| requiredMem += 2*step; |
| 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; |
| } |
| |
| |
| /********************************************************* |
| Benchmark function |
| *********************************************************/ |
| |
| static int local_LZ4_compress_limitedOutput(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_limitedOutput(in, out, inSize, LZ4_compressBound(inSize)); |
| } |
| |
| static void* stateLZ4; |
| static int local_LZ4_compress_withState(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_withState(stateLZ4, in, out, inSize); |
| } |
| |
| static int local_LZ4_compress_limitedOutput_withState(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_limitedOutput_withState(stateLZ4, in, out, inSize, LZ4_compressBound(inSize)); |
| } |
| |
| static void* ctx; |
| static int local_LZ4_compress_continue(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_continue(ctx, in, out, inSize); |
| } |
| |
| static int local_LZ4_compress_limitedOutput_continue(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_limitedOutput_continue(ctx, in, out, inSize, LZ4_compressBound(inSize)); |
| } |
| |
| |
| LZ4_stream_t LZ4_dict; |
| static void* local_LZ4_resetDictT(const char* fake) |
| { |
| (void)fake; |
| memset(&LZ4_dict, 0, sizeof(LZ4_stream_t)); |
| return NULL; |
| } |
| |
| int LZ4_compress_forceExtDict (LZ4_stream_t* LZ4_dict, const char* source, char* dest, int inputSize); |
| static int local_LZ4_compress_forceDict(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_forceExtDict(&LZ4_dict, in, out, inSize); |
| } |
| |
| |
| static void* stateLZ4HC; |
| static int local_LZ4_compressHC_withStateHC(const char* in, char* out, int inSize) |
| { |
| return LZ4_compressHC_withStateHC(stateLZ4HC, in, out, inSize); |
| } |
| |
| static int local_LZ4_compressHC_limitedOutput_withStateHC(const char* in, char* out, int inSize) |
| { |
| return LZ4_compressHC_limitedOutput_withStateHC(stateLZ4HC, in, out, inSize, LZ4_compressBound(inSize)); |
| } |
| |
| static int local_LZ4_compressHC_limitedOutput(const char* in, char* out, int inSize) |
| { |
| return LZ4_compressHC_limitedOutput(in, out, inSize, LZ4_compressBound(inSize)); |
| } |
| |
| static int local_LZ4_compressHC_continue(const char* in, char* out, int inSize) |
| { |
| return LZ4_compressHC_continue(ctx, in, out, inSize); |
| } |
| |
| static int local_LZ4_compressHC_limitedOutput_continue(const char* in, char* out, int inSize) |
| { |
| return LZ4_compressHC_limitedOutput_continue(ctx, in, out, inSize, LZ4_compressBound(inSize)); |
| } |
| |
| static int local_LZ4F_compressFrame(const char* in, char* out, int inSize) |
| { |
| return LZ4F_compressFrame(out, 2*inSize + 16, in, inSize, NULL); |
| } |
| |
| static int local_LZ4_decompress_fast(const char* in, char* out, int inSize, int outSize) |
| { |
| (void)inSize; |
| LZ4_decompress_fast(in, out, outSize); |
| return outSize; |
| } |
| |
| static int local_LZ4_decompress_fast_withPrefix64k(const char* in, char* out, int inSize, int outSize) |
| { |
| (void)inSize; |
| LZ4_decompress_fast_withPrefix64k(in, out, outSize); |
| return outSize; |
| } |
| |
| static int local_LZ4_decompress_fast_usingDict(const char* in, char* out, int inSize, int outSize) |
| { |
| (void)inSize; |
| LZ4_decompress_fast_usingDict(in, out, outSize, in - 65536, 65536); |
| return outSize; |
| } |
| |
| static int local_LZ4_decompress_safe_usingDict(const char* in, char* out, int inSize, int outSize) |
| { |
| (void)inSize; |
| LZ4_decompress_safe_usingDict(in, out, inSize, outSize, in - 65536, 65536); |
| return outSize; |
| } |
| |
| extern int LZ4_decompress_safe_forceExtDict(const char* in, char* out, int inSize, int outSize, const char* dict, int dictSize); |
| |
| static int local_LZ4_decompress_safe_forceExtDict(const char* in, char* out, int inSize, int outSize) |
| { |
| (void)inSize; |
| LZ4_decompress_safe_forceExtDict(in, out, inSize, outSize, in - 65536, 65536); |
| return outSize; |
| } |
| |
| static int local_LZ4_decompress_safe_partial(const char* in, char* out, int inSize, int outSize) |
| { |
| return LZ4_decompress_safe_partial(in, out, inSize, outSize - 5, outSize); |
| } |
| |
| static LZ4F_decompressionContext_t g_dCtx; |
| |
| static int local_LZ4F_decompress(const char* in, char* out, int inSize, int outSize) |
| { |
| size_t srcSize = inSize; |
| size_t dstSize = outSize; |
| size_t result; |
| result = LZ4F_decompress(g_dCtx, out, &dstSize, in, &srcSize, NULL); |
| if (result!=0) { DISPLAY("Error decompressing frame : unfinished frame\n"); exit(8); } |
| if (srcSize != (size_t)inSize) { DISPLAY("Error decompressing frame : read size incorrect\n"); exit(9); } |
| return dstSize; |
| } |
| |
| |
| int fullSpeedBench(char** fileNamesTable, int nbFiles) |
| { |
| int fileIdx=0; |
| char* orig_buff; |
| # define NB_COMPRESSION_ALGORITHMS 14 |
| double totalCTime[NB_COMPRESSION_ALGORITHMS+1] = {0}; |
| double totalCSize[NB_COMPRESSION_ALGORITHMS+1] = {0}; |
| # define NB_DECOMPRESSION_ALGORITHMS 9 |
| double totalDTime[NB_DECOMPRESSION_ALGORITHMS+1] = {0}; |
| size_t errorCode; |
| |
| errorCode = LZ4F_createDecompressionContext(&g_dCtx, LZ4F_VERSION); |
| if (LZ4F_isError(errorCode)) |
| { |
| DISPLAY("dctx allocation issue \n"); |
| return 10; |
| } |
| |
| // Loop for each file |
| while (fileIdx<nbFiles) |
| { |
| FILE* inFile; |
| char* inFileName; |
| U64 inFileSize; |
| size_t benchedSize; |
| int nbChunks; |
| int maxCompressedChunkSize; |
| struct chunkParameters* chunkP; |
| size_t readSize; |
| char* compressed_buff; int compressedBuffSize; |
| U32 crcOriginal; |
| |
| |
| // Init |
| stateLZ4 = malloc(LZ4_sizeofState()); |
| stateLZ4HC = malloc(LZ4_sizeofStateHC()); |
| |
| // 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; |
| 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 / (size_t)chunkSize)+1) * sizeof(struct chunkParameters)); |
| orig_buff = (char*) malloc((size_t)benchedSize); |
| nbChunks = (int) ((int)benchedSize / chunkSize) + 1; |
| maxCompressedChunkSize = LZ4_compressBound(chunkSize); |
| compressedBuffSize = nbChunks * maxCompressedChunkSize; |
| compressed_buff = (char*)malloc((size_t)compressedBuffSize); |
| |
| |
| if(!orig_buff || !compressed_buff) |
| { |
| DISPLAY("\nError: not enough memory!\n"); |
| free(orig_buff); |
| free(compressed_buff); |
| free(chunkP); |
| fclose(inFile); |
| return 12; |
| } |
| |
| // 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(compressed_buff); |
| free(chunkP); |
| return 13; |
| } |
| |
| // Calculating input Checksum |
| crcOriginal = XXH32(orig_buff, (unsigned int)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); |
| |
| // Init chunks data |
| { |
| int i; |
| size_t remaining = benchedSize; |
| char* in = orig_buff; |
| char* out = compressed_buff; |
| nbChunks = (int) ((int)benchedSize / chunkSize) + 1; |
| 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; |
| } |
| } |
| |
| // Compression Algorithms |
| for (cAlgNb=1; (cAlgNb <= NB_COMPRESSION_ALGORITHMS) && (compressionTest); cAlgNb++) |
| { |
| const char* compressorName; |
| int (*compressionFunction)(const char*, char*, int); |
| void* (*initFunction)(const char*) = NULL; |
| double bestTime = 100000000.; |
| |
| if ((compressionAlgo != ALL_COMPRESSORS) && (compressionAlgo != cAlgNb)) continue; |
| |
| switch(cAlgNb) |
| { |
| case 1 : compressionFunction = LZ4_compress; compressorName = "LZ4_compress"; break; |
| case 2 : compressionFunction = local_LZ4_compress_limitedOutput; compressorName = "LZ4_compress_limitedOutput"; break; |
| case 3 : compressionFunction = local_LZ4_compress_withState; compressorName = "LZ4_compress_withState"; break; |
| case 4 : compressionFunction = local_LZ4_compress_limitedOutput_withState; compressorName = "LZ4_compress_limitedOutput_withState"; break; |
| case 5 : compressionFunction = local_LZ4_compress_continue; initFunction = LZ4_create; compressorName = "LZ4_compress_continue"; break; |
| case 6 : compressionFunction = local_LZ4_compress_limitedOutput_continue; initFunction = LZ4_create; compressorName = "LZ4_compress_limitedOutput_continue"; break; |
| case 7 : compressionFunction = LZ4_compressHC; compressorName = "LZ4_compressHC"; break; |
| case 8 : compressionFunction = local_LZ4_compressHC_limitedOutput; compressorName = "LZ4_compressHC_limitedOutput"; break; |
| case 9 : compressionFunction = local_LZ4_compressHC_withStateHC; compressorName = "LZ4_compressHC_withStateHC"; break; |
| case 10: compressionFunction = local_LZ4_compressHC_limitedOutput_withStateHC; compressorName = "LZ4_compressHC_limitedOutput_withStateHC"; break; |
| case 11: compressionFunction = local_LZ4_compressHC_continue; initFunction = LZ4_createHC; compressorName = "LZ4_compressHC_continue"; break; |
| case 12: compressionFunction = local_LZ4_compressHC_limitedOutput_continue; initFunction = LZ4_createHC; compressorName = "LZ4_compressHC_limitedOutput_continue"; break; |
| case 13: compressionFunction = local_LZ4_compress_forceDict; initFunction = local_LZ4_resetDictT; compressorName = "LZ4_compress_forceDict"; break; |
| case 14: compressionFunction = local_LZ4F_compressFrame; compressorName = "LZ4F_compressFrame"; |
| chunkP[0].origSize = benchedSize; nbChunks=1; |
| break; |
| default : DISPLAY("ERROR ! Bad algorithm Id !! \n"); free(chunkP); return 1; |
| } |
| |
| for (loopNb = 1; loopNb <= nbIterations; loopNb++) |
| { |
| double averageTime; |
| int milliTime; |
| |
| PROGRESS("%1i-%-26.26s : %9i ->\r", loopNb, compressorName, (int)benchedSize); |
| { size_t i; for (i=0; i<benchedSize; i++) compressed_buff[i]=(char)i; } // warmimg up memory |
| |
| nb_loops = 0; |
| milliTime = BMK_GetMilliStart(); |
| while(BMK_GetMilliStart() == milliTime); |
| milliTime = BMK_GetMilliStart(); |
| while(BMK_GetMilliSpan(milliTime) < TIMELOOP) |
| { |
| if (initFunction!=NULL) ctx = initFunction(chunkP[0].origBuffer); |
| 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); |
| } |
| if (initFunction!=NULL) free(ctx); |
| nb_loops++; |
| } |
| milliTime = BMK_GetMilliSpan(milliTime); |
| |
| averageTime = (double)milliTime / nb_loops; |
| if (averageTime < bestTime) bestTime = averageTime; |
| cSize=0; for (chunkNb=0; chunkNb<nbChunks; chunkNb++) cSize += chunkP[chunkNb].compressedSize; |
| ratio = (double)cSize/(double)benchedSize*100.; |
| PROGRESS("%1i-%-26.26s : %9i -> %9i (%5.2f%%),%7.1f MB/s\r", loopNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000.); |
| } |
| |
| if (ratio<100.) |
| DISPLAY("%-28.28s : %9i -> %9i (%5.2f%%),%7.1f MB/s\n", compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000.); |
| else |
| DISPLAY("%-28.28s : %9i -> %9i (%5.1f%%),%7.1f MB/s\n", compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000.); |
| |
| totalCTime[cAlgNb] += bestTime; |
| totalCSize[cAlgNb] += cSize; |
| } |
| |
| // Prepare layout for decompression |
| for (chunkNb=0; chunkNb<nbChunks; chunkNb++) |
| { |
| chunkP[chunkNb].compressedSize = LZ4_compress(chunkP[chunkNb].origBuffer, chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origSize); |
| if (chunkP[chunkNb].compressedSize==0) DISPLAY("ERROR ! %s() = 0 !! \n", "LZ4_compress"), exit(1); |
| } |
| |
| // Decompression Algorithms |
| for (dAlgNb=1; (dAlgNb <= NB_DECOMPRESSION_ALGORITHMS) && (decompressionTest); dAlgNb++) |
| { |
| //const char* dName = decompressionNames[dAlgNb]; |
| const char* dName; |
| int (*decompressionFunction)(const char*, char*, int, int); |
| double bestTime = 100000000.; |
| |
| if ((decompressionAlgo != ALL_DECOMPRESSORS) && (decompressionAlgo != dAlgNb)) continue; |
| |
| switch(dAlgNb) |
| { |
| case 1: decompressionFunction = local_LZ4_decompress_fast; dName = "LZ4_decompress_fast"; break; |
| case 2: decompressionFunction = local_LZ4_decompress_fast_withPrefix64k; dName = "LZ4_decompress_fast_withPrefix64k"; break; |
| case 3: decompressionFunction = local_LZ4_decompress_fast_usingDict; dName = "LZ4_decompress_fast_usingDict"; break; |
| case 4: decompressionFunction = LZ4_decompress_safe; dName = "LZ4_decompress_safe"; break; |
| case 5: decompressionFunction = 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"; break; |
| case 8: decompressionFunction = local_LZ4_decompress_safe_forceExtDict; dName = "LZ4_decompress_safe_forceExtDict"; break; |
| case 9: decompressionFunction = local_LZ4F_decompress; dName = "LZ4F_decompress"; |
| errorCode = LZ4F_compressFrame(compressed_buff, compressedBuffSize, orig_buff, benchedSize, NULL); |
| if (LZ4F_isError(errorCode)) { DISPLAY("Preparation error compressing frame\n"); return 1; } |
| chunkP[0].origSize = benchedSize; |
| chunkP[0].compressedSize = errorCode; |
| nbChunks = 1; |
| break; |
| default : DISPLAY("ERROR ! Bad decompression algorithm Id !! \n"); free(chunkP); return 1; |
| } |
| |
| { size_t i; for (i=0; i<benchedSize; i++) orig_buff[i]=0; } // zeroing source area, for CRC checking |
| |
| for (loopNb = 1; loopNb <= nbIterations; loopNb++) |
| { |
| double averageTime; |
| int milliTime; |
| U32 crcDecoded; |
| |
| PROGRESS("%1i-%-29.29s :%10i ->\r", loopNb, dName, (int)benchedSize); |
| |
| nb_loops = 0; |
| milliTime = BMK_GetMilliStart(); |
| while(BMK_GetMilliStart() == milliTime); |
| milliTime = BMK_GetMilliStart(); |
| while(BMK_GetMilliSpan(milliTime) < TIMELOOP) |
| { |
| for (chunkNb=0; chunkNb<nbChunks; chunkNb++) |
| { |
| int 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++; |
| } |
| milliTime = BMK_GetMilliSpan(milliTime); |
| |
| averageTime = (double)milliTime / nb_loops; |
| if (averageTime < bestTime) bestTime = averageTime; |
| |
| PROGRESS("%1i-%-29.29s :%10i -> %7.1f MB/s\r", loopNb, dName, (int)benchedSize, (double)benchedSize / bestTime / 1000.); |
| |
| // CRC Checking |
| crcDecoded = XXH32(orig_buff, (int)benchedSize, 0); |
| if (crcOriginal!=crcDecoded) { DISPLAY("\n!!! WARNING !!! %14s : Invalid Checksum : %x != %x\n", inFileName, (unsigned)crcOriginal, (unsigned)crcDecoded); exit(1); } |
| } |
| |
| DISPLAY("%-31.31s :%10i -> %7.1f MB/s\n", dName, (int)benchedSize, (double)benchedSize / bestTime / 1000.); |
| |
| totalDTime[dAlgNb] += bestTime; |
| } |
| |
| } |
| |
| free(orig_buff); |
| free(compressed_buff); |
| free(chunkP); |
| } |
| |
| if (BMK_pause) { printf("press enter...\n"); getchar(); } |
| |
| return 0; |
| } |
| |
| |
| int usage(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; |
| } |
| |
| 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"); |
| //DISPLAY( " -BD : Block dependency (improve compression ratio)\n"); |
| return 0; |
| } |
| |
| int badusage(char* exename) |
| { |
| DISPLAY("Wrong parameters\n"); |
| usage(exename); |
| return 0; |
| } |
| |
| int main(int argc, char** argv) |
| { |
| int i, |
| filenamesStart=2; |
| char* exename=argv[0]; |
| char* input_filename=0; |
| |
| // Welcome message |
| DISPLAY(WELCOME_MESSAGE); |
| |
| if (argc<2) { badusage(exename); return 1; } |
| |
| for(i=1; i<argc; i++) |
| { |
| char* argument = argv[i]; |
| |
| if(!argument) continue; // Protection if argument empty |
| if (!strcmp(argument, "--no-prompt")) |
| { |
| no_prompt = 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': |
| decompressionTest = 0; |
| while ((argument[1]>= '0') && (argument[1]<= '9')) |
| { |
| compressionAlgo *= 10; |
| compressionAlgo += argument[1] - '0'; |
| argument++; |
| } |
| break; |
| |
| // Select decompression algorithm only |
| case 'd': |
| compressionTest = 0; |
| while ((argument[1]>= '0') && (argument[1]<= '9')) |
| { |
| decompressionAlgo *= 10; |
| 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] >='1') && (argument[1] <='9')) |
| { |
| int iters = argument[1] - '0'; |
| BMK_SetNbIterations(iters); |
| argument++; |
| } |
| break; |
| |
| // Pause at the end (hidden option) |
| case 'p': BMK_SetPause(); break; |
| |
| // Unrecognised 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); |
| |
| } |
| |