test programs moved to tests/

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);
+
+}