/* bench.c - Demo program to benchmark open-source compression algorithm Copyright (C) Yann Collet 2012-2015 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 source repository : https://github.com/Cyan4973/lz4 - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c */ /************************************** * 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 /* malloc, free */ #include /* fprintf, fopen, ftello64 */ #include /* stat64 */ #include /* stat64 */ #include /* strcmp */ /* Use ftime() if gettimeofday() is not available on your target */ #if defined(BMK_LEGACY_TIMER) # include /* timeb, ftime */ #else # include /* 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 /************************************** * Basic Types **************************************/ #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L /* C99 */ # include 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 KB *(1 <<10) #define MB *(1 <<20) #define GB *(1U<<30) #define KNUTH 2654435761U #define MAX_MEM (1920 MB) #define DEFAULT_CHUNKSIZE (4 MB) #define ALL_COMPRESSORS 0 #define ALL_DECOMPRESSORS 0 /************************************** * Local structures **************************************/ struct chunkParameters { U32 id; char* origBuffer; char* compressedBuffer; int origSize; int compressedSize; }; /************************************** * Macros **************************************/ #define DISPLAY(...) fprintf(stderr, __VA_ARGS__) #define PROGRESS(...) g_noPrompt ? 0 : DISPLAY(__VA_ARGS__) /************************************** * Benchmark Parameters **************************************/ static int g_chunkSize = DEFAULT_CHUNKSIZE; static int g_nbIterations = NBLOOPS; static int g_pause = 0; static int g_compressionTest = 1; static int g_compressionAlgo = ALL_COMPRESSORS; static int g_decompressionTest = 1; static int g_decompressionAlgo = ALL_DECOMPRESSORS; static int g_noPrompt = 0; static void BMK_setBlocksize(int bsize) { g_chunkSize = bsize; DISPLAY("-Using Block Size of %i KB-\n", g_chunkSize>>10); } static void BMK_setNbIterations(int nbLoops) { g_nbIterations = nbLoops; DISPLAY("- %i iterations -\n", g_nbIterations); } static void BMK_setPause(void) { g_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 = 64 MB; BYTE* testmem=NULL; requiredMem = (((requiredMem >> 26) + 1) << 26); requiredMem += 2*step; if (requiredMem > MAX_MEM) requiredMem = MAX_MEM; while (!testmem) { if (requiredMem > step) requiredMem -= step; else requiredMem >>= 1; testmem = (BYTE*) malloc ((size_t)requiredMem); } free (testmem); /* keep some space available */ if (requiredMem > step) requiredMem -= step; else requiredMem >>= 1; return (size_t)requiredMem; } 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 *********************************************************/ #ifdef __SSSE3__ #include /* Idea proposed by Terje Mathisen */ static BYTE stepSize16[17] = {16,16,16,15,16,15,12,14,16,9,10,11,12,13,14,15,16}; static __m128i replicateTable[17] = { {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, {0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1}, {0,1,2,0,1,2,0,1,2,0,1,2,0,1,2,0}, {0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3}, {0,1,2,3,4,0,1,2,3,4,0,1,2,3,4,0}, {0,1,2,3,4,5,0,1,2,3,4,5,0,1,2,3}, {0,1,2,3,4,5,6,0,1,2,3,4,5,6,0,1}, {0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7}, {0,1,2,3,4,5,6,7,8,0,1,2,3,4,5,6}, {0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5}, {0,1,2,3,4,5,6,7,8,9,10,0,1,2,3,4}, {0,1,2,3,4,5,6,7,8,9,10,11,0,1,2,3}, {0,1,2,3,4,5,6,7,8,9,10,11,12,0,1,2}, {0,1,2,3,4,5,6,7,8,9,10,11,12,13,0,1}, {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,0}, {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}}; static BYTE stepSize32[17] = {32,32,32,30,32,30,30,28,32,27,30,22,24,26,28,30,16}; static __m128i replicateTable2[17] = { {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}, {0,1,0,1,0,1,0,1,0,1,0,1,0,1,0,1}, {1,2,0,1,2,0,1,2,0,1,2,0,1,2,0,1}, {0,1,2,3,0,1,2,3,0,1,2,3,0,1,2,3}, {1,2,3,4,0,1,2,3,4,0,1,2,3,4,0,1}, {4,5,0,1,2,3,4,5,0,1,2,3,4,5,0,1}, {2,3,4,5,6,0,1,2,3,4,5,6,0,1,2,3}, {0,1,2,3,4,5,6,7,0,1,2,3,4,5,6,7}, {7,8,0,1,2,3,4,5,6,7,8,0,1,2,3,4}, {6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1}, {5,6,7,8,9,10,0,1,2,3,4,5,6,7,8,9}, {4,5,6,7,8,9,10,11,0,1,2,3,4,5,6,7}, {3,4,5,6,7,8,9,10,11,12,0,1,2,3,4,5}, {2,3,4,5,6,7,8,9,10,11,12,13,0,1,2,3}, {1,2,3,4,5,6,7,8,9,10,11,12,13,14,0,1}, {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15}}; U32 lz4_decode_sse(BYTE* dest, BYTE* src, U32 srcLength) { BYTE* d = dest, *e = src+srcLength; unsigned token, lit_len, mat_len; __m128i a; BYTE* dstore, *msrc; if (!srcLength) return 0; goto start; do { U32 step; unsigned mat_offset = src[0] + (src[1] << 8); src += 2; msrc = d - mat_offset; if (mat_len == 15) { do { token = *src++; mat_len += token; } while (token == 255); } mat_len += 4; dstore = d; d += mat_len; if (mat_offset <= 16) { // Bulk store only! __m128i a2; a = _mm_loadu_si128((const __m128i *)msrc); a2 = _mm_shuffle_epi8(a, replicateTable2[mat_offset]); a = _mm_shuffle_epi8(a, replicateTable[mat_offset]); step = stepSize32[mat_offset]; do { _mm_storeu_si128((__m128i *)dstore, a); _mm_storeu_si128((__m128i *)(dstore+16), a2); dstore += step; } while (dstore < d); } else { do { a = _mm_loadu_si128((const __m128i *)msrc); _mm_storeu_si128((__m128i *)dstore, a); msrc += sizeof(a); dstore += sizeof(a); } while (dstore < d); } start: token = *src++; lit_len = token >> 4; mat_len = token & 15; if (token >= 0xf0) { // lit_len == 15 do { token = *src++; lit_len += token; } while (token == 255); } dstore = d; msrc = src; d += lit_len; src += lit_len; do { a = _mm_loadu_si128((const __m128i *)msrc); _mm_storeu_si128((__m128i *)dstore, a); msrc += sizeof(a); dstore += sizeof(a); } while (dstore < d); } while (src < e); return (U32)(d-dest); } #endif // __SSSE3__ static LZ4_stream_t LZ4_stream; static void local_LZ4_resetDictT(void) { LZ4_resetStream(&LZ4_stream); } static void local_LZ4_createStream(void) { LZ4_resetStream(&LZ4_stream); } static int local_LZ4_saveDict(const char* in, char* out, int inSize) { (void)in; return LZ4_saveDict(&LZ4_stream, out, inSize); } static int local_LZ4_compress_limitedOutput(const char* in, char* out, int inSize) { return LZ4_compress_limitedOutput(in, out, inSize, LZ4_compressBound(inSize)-1); } static int local_LZ4_compress_default_large(const char* in, char* out, int inSize) { return LZ4_compress_default(in, out, inSize, LZ4_compressBound(inSize)); } static int local_LZ4_compress_default_small(const char* in, char* out, int inSize) { return LZ4_compress_default(in, out, inSize, LZ4_compressBound(inSize)-1); } static int local_LZ4_compress_fast0(const char* in, char* out, int inSize) { return LZ4_compress_fast(in, out, inSize, LZ4_compressBound(inSize), 0); } static int local_LZ4_compress_fast1(const char* in, char* out, int inSize) { return LZ4_compress_fast(in, out, inSize, LZ4_compressBound(inSize), 1); } static int local_LZ4_compress_fast2(const char* in, char* out, int inSize) { return LZ4_compress_fast(in, out, inSize, LZ4_compressBound(inSize), 2); } static int local_LZ4_compress_fast17(const char* in, char* out, int inSize) { return LZ4_compress_fast(in, out, inSize, LZ4_compressBound(inSize), 17); } static int local_LZ4_compress_fast_extState0(const char* in, char* out, int inSize) { return LZ4_compress_fast_extState(&LZ4_stream, in, out, inSize, LZ4_compressBound(inSize), 0); } static int local_LZ4_compress_fast_continue0(const char* in, char* out, int inSize) { return LZ4_compress_fast_continue(&LZ4_stream, in, out, inSize, LZ4_compressBound(inSize), 0); } static int local_LZ4_compress_withState(const char* in, char* out, int inSize) { return LZ4_compress_withState(&LZ4_stream, in, out, inSize); } static int local_LZ4_compress_limitedOutput_withState(const char* in, char* out, int inSize) { return LZ4_compress_limitedOutput_withState(&LZ4_stream, in, out, inSize, LZ4_compressBound(inSize)-1); } static int local_LZ4_compress_continue(const char* in, char* out, int inSize) { return LZ4_compress_continue(&LZ4_stream, in, out, inSize); } static int local_LZ4_compress_limitedOutput_continue(const char* in, char* out, int inSize) { return LZ4_compress_limitedOutput_continue(&LZ4_stream, in, out, inSize, LZ4_compressBound(inSize)-1); } /* declare hidden function */ int LZ4_compress_forceExtDict (LZ4_stream_t* LZ4_stream, 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_stream, in, out, inSize); } /* HC compression functions */ LZ4_streamHC_t LZ4_streamHC; static void local_LZ4_resetStreamHC(void) { LZ4_resetStreamHC(&LZ4_streamHC, 0); } static int local_LZ4_saveDictHC(const char* in, char* out, int inSize) { (void)in; return LZ4_saveDictHC(&LZ4_streamHC, out, inSize); } static int local_LZ4_compressHC_withStateHC(const char* in, char* out, int inSize) { return LZ4_compressHC_withStateHC(&LZ4_streamHC, in, out, inSize); } static int local_LZ4_compressHC_limitedOutput_withStateHC(const char* in, char* out, int inSize) { return LZ4_compressHC_limitedOutput_withStateHC(&LZ4_streamHC, in, out, inSize, LZ4_compressBound(inSize)-1); } static int local_LZ4_compressHC_limitedOutput(const char* in, char* out, int inSize) { return LZ4_compressHC_limitedOutput(in, out, inSize, LZ4_compressBound(inSize)-1); } static int local_LZ4_compressHC_continue(const char* in, char* out, int inSize) { return LZ4_compressHC_continue(&LZ4_streamHC, in, out, inSize); } static int local_LZ4_compressHC_limitedOutput_continue(const char* in, char* out, int inSize) { return LZ4_compressHC_limitedOutput_continue(&LZ4_streamHC, in, out, inSize, LZ4_compressBound(inSize)-1); } /* decompression functions */ 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_usingDict(const char* in, char* out, int inSize, int outSize) { (void)inSize; LZ4_decompress_fast_usingDict(in, out, outSize, out - 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, out - 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, out - 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); } /* frame functions */ static int local_LZ4F_compressFrame(const char* in, char* out, int inSize) { return (int)LZ4F_compressFrame(out, 2*inSize + 16, in, inSize, NULL); } 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 (int)dstSize; } #define NB_COMPRESSION_ALGORITHMS 100 #define NB_DECOMPRESSION_ALGORITHMS 100 int fullSpeedBench(char** fileNamesTable, int nbFiles) { int fileIdx=0; size_t errorCode; /* Init */ errorCode = LZ4F_createDecompressionContext(&g_dCtx, LZ4F_VERSION); if (LZ4F_isError(errorCode)) { DISPLAY("dctx allocation issue \n"); return 10; } /* Loop for each fileName */ while (fileIdx 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)); /* Allocation */ chunkP = (struct chunkParameters*) malloc(((benchedSize / (size_t)g_chunkSize)+1) * sizeof(struct chunkParameters)); orig_buff = (char*) malloc(benchedSize); nbChunks = (int) ((benchedSize + (g_chunkSize-1)) / g_chunkSize); maxCompressedChunkSize = LZ4_compressBound(g_chunkSize); compressedBuffSize = nbChunks * maxCompressedChunkSize; compressed_buff = (char*)malloc((size_t)compressedBuffSize); if(!chunkP || !orig_buff || !compressed_buff) { DISPLAY("\nError: not enough memory!\n"); fclose(inFile); free(orig_buff); free(compressed_buff); free(chunkP); return(12); } /* Fill in src 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, 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; nbChunks = (int) (((int)benchedSize + (g_chunkSize-1))/ g_chunkSize); for (i=0; i g_chunkSize) { chunkP[i].origSize = g_chunkSize; remaining -= 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_fast0; compressorName = "LZ4_compress_fast(0)"; break; case 4 : compressionFunction = local_LZ4_compress_fast1; compressorName = "LZ4_compress_fast(1)"; break; case 5 : compressionFunction = local_LZ4_compress_fast2; compressorName = "LZ4_compress_fast(2)"; break; case 6 : compressionFunction = local_LZ4_compress_fast17; compressorName = "LZ4_compress_fast(17)"; break; case 7 : compressionFunction = local_LZ4_compress_fast_extState0; compressorName = "LZ4_compress_fast_extState(0)"; break; case 8 : compressionFunction = local_LZ4_compress_fast_continue0; initFunction = local_LZ4_createStream; compressorName = "LZ4_compress_fast_continue(0)"; break; case 10: compressionFunction = LZ4_compressHC; compressorName = "LZ4_compressHC"; break; case 11: compressionFunction = local_LZ4_compressHC_limitedOutput; compressorName = "LZ4_compressHC_limitedOutput"; break; case 12 : compressionFunction = local_LZ4_compressHC_withStateHC; compressorName = "LZ4_compressHC_withStateHC"; break; case 13: compressionFunction = local_LZ4_compressHC_limitedOutput_withStateHC; compressorName = "LZ4_compressHC_limitedOutput_withStateHC"; break; case 14: compressionFunction = local_LZ4_compressHC_continue; initFunction = local_LZ4_resetStreamHC; compressorName = "LZ4_compressHC_continue"; break; case 15: compressionFunction = local_LZ4_compressHC_limitedOutput_continue; initFunction = local_LZ4_resetStreamHC; compressorName = "LZ4_compressHC_limitedOutput_continue"; break; case 20: compressionFunction = local_LZ4_compress_forceDict; initFunction = local_LZ4_resetDictT; compressorName = "LZ4_compress_forceDict"; break; 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"; LZ4_loadDict(&LZ4_stream, chunkP[0].origBuffer, chunkP[0].origSize); break; case 41: compressionFunction = local_LZ4_saveDictHC; compressorName = "LZ4_saveDictHC"; LZ4_loadDictHC(&LZ4_streamHC, chunkP[0].origBuffer, chunkP[0].origSize); break; case 60: DISPLAY("Obsolete compression functions : \n"); continue; case 61: compressionFunction = LZ4_compress; compressorName = "LZ4_compress"; break; case 62: compressionFunction = local_LZ4_compress_limitedOutput; compressorName = "LZ4_compress_limitedOutput"; break; case 63: compressionFunction = local_LZ4_compress_withState; compressorName = "LZ4_compress_withState"; break; case 64: compressionFunction = local_LZ4_compress_limitedOutput_withState; compressorName = "LZ4_compress_limitedOutput_withState"; break; case 65: compressionFunction = local_LZ4_compress_continue; initFunction = local_LZ4_createStream; compressorName = "LZ4_compress_continue"; break; case 66: compressionFunction = local_LZ4_compress_limitedOutput_continue; initFunction = local_LZ4_createStream; compressorName = "LZ4_compress_limitedOutput_continue"; break; default : continue; /* unknown ID : just skip */ } for (loopNb = 1; loopNb <= g_nbIterations; loopNb++) { double averageTime; int milliTime; PROGRESS("%1i- %-28.28s :%9i ->\r", loopNb, compressorName, (int)benchedSize); { size_t i; for (i=0; i%9i (%5.2f%%),%7.1f MB/s\r", loopNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000.); } if (ratio<100.) DISPLAY("%2i-%-28.28s :%9i ->%9i (%5.2f%%),%7.1f MB/s\n", cAlgNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000.); else DISPLAY("%2i-%-28.28s :%9i ->%9i (%5.1f%%),%7.1f MB/s\n", cAlgNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000.); } /* 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 g_chunkSize) { chunkP[i].origSize = g_chunkSize; remaining -= g_chunkSize; } else { chunkP[i].origSize = (int)remaining; remaining = 0; } chunkP[i].compressedBuffer = out; out += maxCompressedChunkSize; chunkP[i].compressedSize = 0; } } for (chunkNb=0; chunkNb\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 %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("%2i-%-29.29s :%10i -> %7.1f MB/s\n", dAlgNb, dName, (int)benchedSize, (double)benchedSize / bestTime / 1000.); } } 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(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(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= '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); }