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Diffstat (limited to 'tests/fullbench.c')
-rw-r--r-- | tests/fullbench.c | 813 |
1 files changed, 813 insertions, 0 deletions
diff --git a/tests/fullbench.c b/tests/fullbench.c new file mode 100644 index 0000000..ab6bba1 --- /dev/null +++ b/tests/fullbench.c @@ -0,0 +1,813 @@ +/* + 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 <stdlib.h> /* malloc, free */ +#include <stdio.h> /* fprintf, fopen, ftello64 */ +#include <sys/types.h> /* stat64 */ +#include <sys/stat.h> /* stat64 */ +#include <string.h> /* strcmp */ +#include <time.h> /* clock_t, clock(), CLOCKS_PER_SEC */ + +#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 <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" +#define AUTHOR "Yann Collet" +#define WELCOME_MESSAGE "*** %s v%s %i-bits, by %s ***\n", PROGRAM_DESCRIPTION, LZ4_VERSION_STRING, (int)(sizeof(void*)*8), AUTHOR + +#define NBLOOPS 6 +#define TIMELOOP (CLOCKS_PER_SEC * 25 / 10) + +#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 +*********************************************************/ +static clock_t BMK_GetClockSpan( clock_t clockStart ) +{ + return clock() - clockStart; /* works even if overflow; max span ~30 mn */ +} + + +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(const 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 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(const char** fileNamesTable, int nbFiles) +{ + int fileIdx=0; + + /* Init */ + { size_t const errorCode = LZ4F_createDecompressionContext(&g_dCtx, LZ4F_VERSION); + if (LZ4F_isError(errorCode)) { DISPLAY("dctx allocation issue \n"); return 10; } } + + /* Loop for each fileName */ + while (fileIdx<nbFiles) { + char* orig_buff = NULL; + struct chunkParameters* chunkP = NULL; + char* compressed_buff=NULL; + const char* const inFileName = fileNamesTable[fileIdx++]; + FILE* const inFile = fopen( inFileName, "rb" ); + U64 inFileSize; + size_t benchedSize; + int nbChunks; + int maxCompressedChunkSize; + size_t readSize; + int compressedBuffSize; + U32 crcOriginal; + size_t errorCode; + + /* Check file existence */ + if (inFile==NULL) { DISPLAY( "Pb opening %s\n", inFileName); return 11; } + + /* Memory size adjustments */ + inFileSize = BMK_GetFileSize(inFileName); + if (inFileSize==0) { DISPLAY( "file is empty\n"); fclose(inFile); return 11; } + benchedSize = BMK_findMaxMem(inFileSize*2) / 2; /* because 2 buffers */ + if (benchedSize==0) { DISPLAY( "not enough memory\n"); fclose(inFile); return 11; } + 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)); + + /* 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<nbChunks; i++) { + chunkP[i].id = i; + chunkP[i].origBuffer = in; in += g_chunkSize; + if ((int)remaining > 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; + clock_t clockTime; + + PROGRESS("%1i- %-28.28s :%9i ->\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 += chunkP[chunkNb].compressedSize; + ratio = (double)cSize/(double)benchedSize*100.; + PROGRESS("%1i- %-28.28s :%9i ->%9i (%5.2f%%),%7.1f MB/s\r", loopNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000000); + } + + 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 / 1000000); + else + DISPLAY("%2i-%-28.28s :%9i ->%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 = i; + chunkP[i].origBuffer = in; in += g_chunkSize; + if ((int)remaining > 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<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=0; (dAlgNb <= NB_DECOMPRESSION_ALGORITHMS) && (g_decompressionTest); dAlgNb++) { + const char* dName; + int (*decompressionFunction)(const char*, char*, int, int); + double bestTime = 100000000.; + + 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 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 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("Error while preparing compressed frame\n"); + free(orig_buff); + free(compressed_buff); + free(chunkP); + return 1; + } + chunkP[0].origSize = (int)benchedSize; + chunkP[0].compressedSize = (int)errorCode; + nbChunks = 1; + break; + default : + continue; /* skip if unknown ID */ + } + + { 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("%1i- %-29.29s :%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 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("%1i- %-29.29s :%10i -> %7.1f MB/s\r", loopNb, dName, (int)benchedSize, (double)benchedSize / bestTime / 1000000); + + /* 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 / 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); + +} |