| /* |
| bench.c - Demo program to benchmark open-source compression algorithm |
| Copyright (C) Yann Collet 2012-2016 |
| |
| 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/lz4/lz4 |
| - LZ4 public forum : https://groups.google.com/forum/#!forum/lz4c |
| */ |
| |
| |
| // S_ISREG & gettimeofday() are not supported by MSVC |
| #if defined(_MSC_VER) || defined(_WIN32) |
| # define BMK_LEGACY_TIMER 1 |
| #endif |
| |
| |
| /************************************** |
| * Includes |
| **************************************/ |
| #include "platform.h" /* _CRT_SECURE_NO_WARNINGS, Large Files support */ |
| #include "util.h" /* U32, UTIL_getFileSize */ |
| #include <stdlib.h> /* malloc, free */ |
| #include <stdio.h> /* fprintf, fopen, ftello */ |
| #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" |
| |
| |
| /************************************** |
| * 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; |
| } |
| |
| |
| /********************************************************* |
| * 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_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_destSize(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_destSize(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); |
| } |
| |
| #ifndef LZ4_DLL_IMPORT |
| #if defined (__cplusplus) |
| extern "C" { |
| #endif |
| |
| /* declare hidden function */ |
| extern int LZ4_compress_forceExtDict (LZ4_stream_t* LZ4_stream, const char* source, char* dest, int inputSize); |
| |
| #if defined (__cplusplus) |
| } |
| #endif |
| |
| static int local_LZ4_compress_forceDict(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_forceExtDict(&LZ4_stream, in, out, inSize); |
| } |
| #endif |
| |
| |
| /* 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_compress_HC(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_HC(in, out, inSize, LZ4_compressBound(inSize), 9); |
| } |
| |
| static int local_LZ4_compress_HC_extStateHC(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_HC_extStateHC(&LZ4_streamHC, in, out, inSize, LZ4_compressBound(inSize), 9); |
| } |
| |
| static int local_LZ4_compress_HC_continue(const char* in, char* out, int inSize) |
| { |
| return LZ4_compress_HC_continue(&LZ4_streamHC, in, out, inSize, LZ4_compressBound(inSize)); |
| } |
| |
| |
| /* 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_prefix(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_fast_usingExtDict(const char* in, char* out, int inSize, int outSize) |
| { |
| (void)inSize; |
| LZ4_decompress_fast_usingDict(in, out, outSize, out - 65536, 65535); |
| 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; |
| } |
| |
| #ifndef LZ4_DLL_IMPORT |
| #if defined (__cplusplus) |
| extern "C" { |
| #endif |
| |
| extern int LZ4_decompress_safe_forceExtDict(const char* in, char* out, int inSize, int outSize, const void* dict, size_t dictSize); |
| |
| #if defined (__cplusplus) |
| } |
| #endif |
| |
| 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; |
| } |
| #endif |
| |
| static int local_LZ4_decompress_safe_partial(const char* in, char* out, int inSize, int outSize) |
| { |
| int result = LZ4_decompress_safe_partial(in, out, inSize, outSize - 5, outSize); |
| if (result < 0) return result; |
| return outSize; |
| } |
| |
| |
| /* frame functions */ |
| static int local_LZ4F_compressFrame(const char* in, char* out, int inSize) |
| { |
| return (int)LZ4F_compressFrame(out, LZ4F_compressFrameBound(inSize, NULL), 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 = UTIL_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_destSize; compressorName = "LZ4_compress_destSize"; break; |
| case 4 : compressionFunction = local_LZ4_compress_fast0; compressorName = "LZ4_compress_fast(0)"; break; |
| case 5 : compressionFunction = local_LZ4_compress_fast1; compressorName = "LZ4_compress_fast(1)"; break; |
| case 6 : compressionFunction = local_LZ4_compress_fast2; compressorName = "LZ4_compress_fast(2)"; break; |
| case 7 : compressionFunction = local_LZ4_compress_fast17; compressorName = "LZ4_compress_fast(17)"; break; |
| case 8 : compressionFunction = local_LZ4_compress_fast_extState0; compressorName = "LZ4_compress_fast_extState(0)"; break; |
| case 9 : compressionFunction = local_LZ4_compress_fast_continue0; initFunction = local_LZ4_createStream; compressorName = "LZ4_compress_fast_continue(0)"; break; |
| |
| case 10: compressionFunction = local_LZ4_compress_HC; compressorName = "LZ4_compress_HC"; break; |
| case 12: compressionFunction = local_LZ4_compress_HC_extStateHC; compressorName = "LZ4_compress_HC_extStateHC"; break; |
| case 14: compressionFunction = local_LZ4_compress_HC_continue; initFunction = local_LZ4_resetStreamHC; compressorName = "LZ4_compress_HC_continue"; break; |
| #ifndef LZ4_DLL_IMPORT |
| case 20: compressionFunction = local_LZ4_compress_forceDict; initFunction = local_LZ4_resetDictT; compressorName = "LZ4_compress_forceDict"; break; |
| #endif |
| case 30: compressionFunction = local_LZ4F_compressFrame; compressorName = "LZ4F_compressFrame"; |
| chunkP[0].origSize = (int)benchedSize; nbChunks=1; |
| break; |
| case 40: compressionFunction = local_LZ4_saveDict; compressorName = "LZ4_saveDict"; |
| if (chunkP[0].origSize < 8) { DISPLAY(" cannot bench %s with less then 8 bytes \n", compressorName); continue; } |
| LZ4_loadDict(&LZ4_stream, chunkP[0].origBuffer, chunkP[0].origSize); |
| break; |
| case 41: compressionFunction = local_LZ4_saveDictHC; compressorName = "LZ4_saveDictHC"; |
| if (chunkP[0].origSize < 8) { DISPLAY(" cannot bench %s with less then 8 bytes \n", compressorName); continue; } |
| LZ4_loadDictHC(&LZ4_streamHC, chunkP[0].origBuffer, chunkP[0].origSize); |
| break; |
| default : |
| continue; /* unknown ID : just skip */ |
| } |
| |
| for (loopNb = 1; loopNb <= g_nbIterations; loopNb++) { |
| double averageTime; |
| clock_t clockTime; |
| |
| PROGRESS("%2i-%-34.34s :%10i ->\r", loopNb, compressorName, (int)benchedSize); |
| { size_t i; for (i=0; i<benchedSize; i++) compressed_buff[i]=(char)i; } /* warming up memory */ |
| |
| nb_loops = 0; |
| clockTime = clock(); |
| while(clock() == clockTime); |
| clockTime = clock(); |
| while(BMK_GetClockSpan(clockTime) < TIMELOOP) { |
| if (initFunction!=NULL) initFunction(); |
| for (chunkNb=0; chunkNb<nbChunks; chunkNb++) { |
| chunkP[chunkNb].compressedSize = compressionFunction(chunkP[chunkNb].origBuffer, chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origSize); |
| if (chunkP[chunkNb].compressedSize==0) |
| DISPLAY("ERROR ! %s() = 0 !! \n", compressorName), exit(1); |
| } |
| nb_loops++; |
| } |
| clockTime = BMK_GetClockSpan(clockTime); |
| |
| nb_loops += !nb_loops; /* avoid division by zero */ |
| averageTime = ((double)clockTime) / nb_loops / CLOCKS_PER_SEC; |
| if (averageTime < bestTime) bestTime = averageTime; |
| cSize=0; for (chunkNb=0; chunkNb<nbChunks; chunkNb++) cSize += chunkP[chunkNb].compressedSize; |
| ratio = (double)cSize/(double)benchedSize*100.; |
| PROGRESS("%2i-%-34.34s :%10i ->%9i (%5.2f%%),%7.1f MB/s\r", loopNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000000); |
| } |
| |
| if (ratio<100.) |
| DISPLAY("%2i-%-34.34s :%10i ->%9i (%5.2f%%),%7.1f MB/s\n", cAlgNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 1000000); |
| else |
| DISPLAY("%2i-%-34.34s :%10i ->%9i (%5.1f%%),%7.1f MB/s\n", cAlgNb, compressorName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / bestTime / 100000); |
| } |
| |
| /* Prepare layout for decompression */ |
| /* Init data chunks */ |
| { int i; |
| size_t remaining = benchedSize; |
| char* in = orig_buff; |
| char* out = compressed_buff; |
| |
| nbChunks = (int) (((int)benchedSize + (g_chunkSize-1))/ g_chunkSize); |
| for (i=0; i<nbChunks; i++) { |
| chunkP[i].id = 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_default(chunkP[chunkNb].origBuffer, chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origSize, maxCompressedChunkSize); |
| if (chunkP[chunkNb].compressedSize==0) |
| DISPLAY("ERROR ! %s() = 0 !! \n", "LZ4_compress"), exit(1); |
| } |
| |
| /* Decompression Algorithms */ |
| for (dAlgNb=0; (dAlgNb <= NB_DECOMPRESSION_ALGORITHMS) && g_decompressionTest; dAlgNb++) { |
| const char* dName; |
| int (*decompressionFunction)(const char*, char*, int, int); |
| double bestTime = 100000000.; |
| int checkResult = 1; |
| |
| if ((g_decompressionAlgo != ALL_DECOMPRESSORS) && (g_decompressionAlgo != dAlgNb)) continue; |
| |
| switch(dAlgNb) |
| { |
| case 0: DISPLAY("Decompression functions : \n"); continue; |
| case 1: decompressionFunction = local_LZ4_decompress_fast; dName = "LZ4_decompress_fast"; break; |
| case 2: decompressionFunction = local_LZ4_decompress_fast_usingDict_prefix; dName = "LZ4_decompress_fast_usingDict(prefix)"; break; |
| case 3: decompressionFunction = local_LZ4_decompress_fast_usingExtDict; dName = "LZ4_decompress_fast_using(Ext)Dict"; break; |
| case 4: decompressionFunction = LZ4_decompress_safe; dName = "LZ4_decompress_safe"; break; |
| case 6: decompressionFunction = local_LZ4_decompress_safe_usingDict; dName = "LZ4_decompress_safe_usingDict"; break; |
| case 7: decompressionFunction = local_LZ4_decompress_safe_partial; dName = "LZ4_decompress_safe_partial"; checkResult = 0; break; |
| #ifndef LZ4_DLL_IMPORT |
| case 8: decompressionFunction = local_LZ4_decompress_safe_forceExtDict; dName = "LZ4_decompress_safe_forceExtDict"; break; |
| #endif |
| case 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("%2i-%-34.34s :%10i ->\r", loopNb, dName, (int)benchedSize); |
| |
| nb_loops = 0; |
| clockTime = clock(); |
| while(clock() == clockTime); |
| clockTime = clock(); |
| while(BMK_GetClockSpan(clockTime) < TIMELOOP) { |
| for (chunkNb=0; chunkNb<nbChunks; chunkNb++) { |
| int const decodedSize = decompressionFunction(chunkP[chunkNb].compressedBuffer, chunkP[chunkNb].origBuffer, |
| chunkP[chunkNb].compressedSize, chunkP[chunkNb].origSize); |
| if (chunkP[chunkNb].origSize != decodedSize) { |
| DISPLAY("ERROR ! %s() == %i != %i !! \n", |
| dName, decodedSize, chunkP[chunkNb].origSize); |
| exit(1); |
| } } |
| nb_loops++; |
| } |
| clockTime = BMK_GetClockSpan(clockTime); |
| |
| nb_loops += !nb_loops; /* Avoid division by zero */ |
| averageTime = (double)clockTime / nb_loops / CLOCKS_PER_SEC; |
| if (averageTime < bestTime) bestTime = averageTime; |
| |
| PROGRESS("%2i-%-34.34s :%10i -> %7.1f MB/s\r", loopNb, dName, (int)benchedSize, (double)benchedSize / bestTime / 1000000); |
| |
| /* CRC Checking */ |
| crcDecoded = XXH32(orig_buff, (int)benchedSize, 0); |
| if (checkResult && (crcOriginal!=crcDecoded)) { |
| DISPLAY("\n!!! WARNING !!! %14s : Invalid Checksum : %x != %x\n", |
| inFileName, (unsigned)crcOriginal, (unsigned)crcDecoded); |
| exit(1); |
| } } |
| |
| DISPLAY("%2i-%-34.34s :%10i -> %7.1f MB/s\n", dAlgNb, dName, (int)benchedSize, (double)benchedSize / bestTime / 1000000); |
| } |
| } |
| free(orig_buff); |
| free(compressed_buff); |
| free(chunkP); |
| } |
| |
| LZ4F_freeDecompressionContext(g_dCtx); |
| if (g_pause) { printf("press enter...\n"); (void)getchar(); } |
| |
| return 0; |
| } |
| |
| |
| static int usage(const char* exename) |
| { |
| DISPLAY( "Usage :\n"); |
| DISPLAY( " %s [arg] file1 file2 ... fileX\n", exename); |
| DISPLAY( "Arguments :\n"); |
| DISPLAY( " -c : compression tests only\n"); |
| DISPLAY( " -d : decompression tests only\n"); |
| DISPLAY( " -H/-h : Help (this text + advanced options)\n"); |
| return 0; |
| } |
| |
| static int usage_advanced(void) |
| { |
| DISPLAY( "\nAdvanced options :\n"); |
| DISPLAY( " -c# : test only compression function # [1-%i]\n", NB_COMPRESSION_ALGORITHMS); |
| DISPLAY( " -d# : test only decompression function # [1-%i]\n", NB_DECOMPRESSION_ALGORITHMS); |
| DISPLAY( " -i# : iteration loops [1-9](default : %i)\n", NBLOOPS); |
| DISPLAY( " -B# : Block size [4-7](default : 7)\n"); |
| return 0; |
| } |
| |
| static int badusage(const char* exename) |
| { |
| DISPLAY("Wrong parameters\n"); |
| usage(exename); |
| return 0; |
| } |
| |
| int main(int argc, const char** argv) |
| { |
| int i, |
| filenamesStart=2; |
| const char* exename = argv[0]; |
| const char* input_filename=0; |
| |
| // Welcome message |
| DISPLAY(WELCOME_MESSAGE); |
| |
| if (argc<2) { badusage(exename); return 1; } |
| |
| for(i=1; i<argc; i++) { |
| const char* argument = argv[i]; |
| |
| if(!argument) continue; // Protection if argument empty |
| if (!strcmp(argument, "--no-prompt")) { |
| g_noPrompt = 1; |
| continue; |
| } |
| |
| // Decode command (note : aggregated commands are allowed) |
| if (argument[0]=='-') { |
| while (argument[1]!=0) { |
| argument ++; |
| |
| switch(argument[0]) |
| { |
| // Select compression algorithm only |
| case 'c': |
| g_decompressionTest = 0; |
| while ((argument[1]>= '0') && (argument[1]<= '9')) { |
| g_compressionAlgo *= 10; |
| g_compressionAlgo += argument[1] - '0'; |
| argument++; |
| } |
| break; |
| |
| // Select decompression algorithm only |
| case 'd': |
| g_compressionTest = 0; |
| while ((argument[1]>= '0') && (argument[1]<= '9')) { |
| g_decompressionAlgo *= 10; |
| g_decompressionAlgo += argument[1] - '0'; |
| argument++; |
| } |
| break; |
| |
| // Display help on usage |
| case 'h' : |
| case 'H': usage(exename); usage_advanced(); return 0; |
| |
| // Modify Block Properties |
| case 'B': |
| while (argument[1]!=0) |
| switch(argument[1]) |
| { |
| case '4': |
| case '5': |
| case '6': |
| case '7': |
| { int B = argument[1] - '0'; |
| int S = 1 << (8 + 2*B); |
| BMK_setBlocksize(S); |
| argument++; |
| break; |
| } |
| case 'D': argument++; break; |
| default : goto _exit_blockProperties; |
| } |
| _exit_blockProperties: |
| break; |
| |
| // Modify Nb Iterations |
| case 'i': |
| if ((argument[1] >='0') && (argument[1] <='9')) { |
| int iters = argument[1] - '0'; |
| BMK_setNbIterations(iters); |
| argument++; |
| } |
| break; |
| |
| // Pause at the end (hidden option) |
| case 'p': BMK_setPause(); break; |
| |
| // Unknown command |
| default : badusage(exename); return 1; |
| } |
| } |
| continue; |
| } |
| |
| // first provided filename is input |
| if (!input_filename) { input_filename=argument; filenamesStart=i; continue; } |
| |
| } |
| |
| // No input filename ==> Error |
| if(!input_filename) { badusage(exename); return 1; } |
| |
| return fullSpeedBench(argv+filenamesStart, argc-filenamesStart); |
| |
| } |
