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-rw-r--r--programs/bench.c131
1 files changed, 65 insertions, 66 deletions
diff --git a/programs/bench.c b/programs/bench.c
index 6db1628..ba3284e 100644
--- a/programs/bench.c
+++ b/programs/bench.c
@@ -22,40 +22,40 @@
- LZ4 source repository : http://code.google.com/p/lz4/
*/
-//**************************************
-// Compiler Options
-//**************************************
-// Disable some Visual warning messages
+/**************************************
+* Compiler Options
+***************************************/
+/* Disable some Visual warning messages */
#define _CRT_SECURE_NO_WARNINGS
-#define _CRT_SECURE_NO_DEPRECATE // VS2005
+#define _CRT_SECURE_NO_DEPRECATE /* VS2005 */
-// Unix Large Files support (>4GB)
+/* Unix Large Files support (>4GB) */
#define _FILE_OFFSET_BITS 64
-#if (defined(__sun__) && (!defined(__LP64__))) // Sun Solaris 32-bits requires specific definitions
+#if (defined(__sun__) && (!defined(__LP64__))) /* Sun Solaris 32-bits requires specific definitions */
# define _LARGEFILE_SOURCE
-#elif ! defined(__LP64__) // No point defining Large file for 64 bit
+#elif ! defined(__LP64__) /* No point defining Large file for 64 bit */
# define _LARGEFILE64_SOURCE
#endif
-// S_ISREG & gettimeofday() are not supported by MSVC
+/* S_ISREG & gettimeofday() are not supported by MSVC */
#if defined(_MSC_VER) || defined(_WIN32)
# define BMK_LEGACY_TIMER 1
#endif
-//**************************************
-// Includes
-//**************************************
-#include <stdlib.h> // malloc
-#include <stdio.h> // fprintf, fopen, ftello64
-#include <sys/types.h> // stat64
-#include <sys/stat.h> // stat64
+/**************************************
+* Includes
+***************************************/
+#include <stdlib.h> /* malloc */
+#include <stdio.h> /* fprintf, fopen, ftello64 */
+#include <sys/types.h> /* stat64 */
+#include <sys/stat.h> /* stat64 */
-// Use ftime() if gettimeofday() is not available on your target
+/* Use ftime() if gettimeofday() is not available on your target */
#if defined(BMK_LEGACY_TIMER)
-# include <sys/timeb.h> // timeb, ftime
+# include <sys/timeb.h> /* timeb, ftime */
#else
-# include <sys/time.h> // gettimeofday
+# include <sys/time.h> /* gettimeofday */
#endif
#include "lz4.h"
@@ -68,17 +68,17 @@ static int LZ4_compress_local(const char* src, char* dst, int size, int clevel)
#include "xxhash.h"
-//**************************************
-// Compiler specifics
-//**************************************
+/**************************************
+* Compiler specifics
+***************************************/
#if !defined(S_ISREG)
# define S_ISREG(x) (((x) & S_IFMT) == S_IFREG)
#endif
-//**************************************
-// Basic Types
-//**************************************
+/**************************************
+* Basic Types
+***************************************/
#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L // C99
# include <stdint.h>
typedef uint8_t BYTE;
@@ -95,24 +95,23 @@ static int LZ4_compress_local(const char* src, char* dst, int size, int clevel)
#endif
-//**************************************
-// Constants
-//**************************************
+/**************************************
+* Constants
+***************************************/
#define NBLOOPS 3
#define TIMELOOP 2000
-#define KB *(1U<<10)
-#define MB *(1U<<20)
+#define KB *(1 <<10)
+#define MB *(1 <<20)
#define GB *(1U<<30)
-#define KNUTH 2654435761U
#define MAX_MEM (2 GB - 64 MB)
#define DEFAULT_CHUNKSIZE (4 MB)
-//**************************************
-// Local structures
-//**************************************
+/**************************************
+* Local structures
+***************************************/
struct chunkParameters
{
U32 id;
@@ -129,15 +128,15 @@ struct compressionParameters
};
-//**************************************
-// MACRO
-//**************************************
+/**************************************
+* MACRO
+***************************************/
#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
-//**************************************
-// Benchmark Parameters
-//**************************************
+/**************************************
+* Benchmark Parameters
+***************************************/
static int chunkSize = DEFAULT_CHUNKSIZE;
static int nbIterations = NBLOOPS;
static int BMK_pause = 0;
@@ -153,17 +152,17 @@ void BMK_SetNbIterations(int nbLoops)
void BMK_SetPause(void) { BMK_pause = 1; }
-//*********************************************************
-// Private functions
-//*********************************************************
+/*********************************************************
+* 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
+ /* 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 );
@@ -175,8 +174,8 @@ static int BMK_GetMilliStart(void)
static int BMK_GetMilliStart(void)
{
- // Based on newer gettimeofday()
- // Use GetMilliSpan to correct for rollover
+ /* Based on newer gettimeofday()
+ Use GetMilliSpan to correct for rollover */
struct timeval tv;
int nCount;
gettimeofday(&tv, NULL);
@@ -198,7 +197,7 @@ static int BMK_GetMilliSpan( int nTimeStart )
static size_t BMK_findMaxMem(U64 requiredMem)
{
- size_t step = (64 MB);
+ size_t step = 64 MB;
BYTE* testmem=NULL;
requiredMem = (((requiredMem >> 26) + 1) << 26);
@@ -226,14 +225,14 @@ static U64 BMK_GetFileSize(char* infilename)
struct stat statbuf;
r = stat(infilename, &statbuf);
#endif
- if (r || !S_ISREG(statbuf.st_mode)) return 0; // No good...
+ if (r || !S_ISREG(statbuf.st_mode)) return 0; /* No good... */
return (U64)statbuf.st_size;
}
-//*********************************************************
-// Public function
-//*********************************************************
+/*********************************************************
+* Public function
+**********************************************************/
int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
{
@@ -262,7 +261,7 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
}
compP.decompressionFunction = LZ4_decompress_fast;
- // Loop for each file
+ /* Loop for each file */
while (fileIdx<nbFiles)
{
FILE* inFile;
@@ -276,7 +275,7 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
struct chunkParameters* chunkP;
U32 crcOrig;
- // Check file existence
+ /* Check file existence */
inFileName = fileNamesTable[fileIdx++];
inFile = fopen( inFileName, "rb" );
if (inFile==NULL)
@@ -285,7 +284,7 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
return 11;
}
- // Memory allocation & restrictions
+ /* Memory allocation & restrictions */
inFileSize = BMK_GetFileSize(inFileName);
benchedSize = (size_t) BMK_findMaxMem(inFileSize * 2) / 2;
if ((U64)benchedSize > inFileSize) benchedSize = (size_t)inFileSize;
@@ -294,7 +293,7 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
DISPLAY("Not enough memory for '%s' full size; testing %i MB only...\n", inFileName, (int)(benchedSize>>20));
}
- // Alloc
+ /* Alloc */
chunkP = (struct chunkParameters*) malloc(((benchedSize / (size_t)chunkSize)+1) * sizeof(struct chunkParameters));
orig_buff = (char*)malloc((size_t )benchedSize);
nbChunks = (int) ((int)benchedSize / chunkSize) + 1;
@@ -313,7 +312,7 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
return 12;
}
- // Init chunks data
+ /* Init chunks data */
{
int i;
size_t remaining = benchedSize;
@@ -329,7 +328,7 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
}
}
- // Fill input buffer
+ /* Fill input buffer */
DISPLAY("Loading %s... \r", inFileName);
readSize = fread(orig_buff, 1, benchedSize, inFile);
fclose(inFile);
@@ -343,11 +342,11 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
return 13;
}
- // Calculating input Checksum
+ /* Calculating input Checksum */
crcOrig = XXH32(orig_buff, (unsigned int)benchedSize,0);
- // Bench
+ /* Bench */
{
int loopNb, chunkNb;
size_t cSize=0;
@@ -361,9 +360,9 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
int nbLoops;
int milliTime;
- // Compression
+ /* Compression */
DISPLAY("%1i-%-14.14s : %9i ->\r", loopNb, inFileName, (int)benchedSize);
- { size_t i; for (i=0; i<benchedSize; i++) compressedBuffer[i]=(char)i; } // warmimg up memory
+ { size_t i; for (i=0; i<benchedSize; i++) compressedBuffer[i]=(char)i; } /* warmimg up memory */
nbLoops = 0;
milliTime = BMK_GetMilliStart();
@@ -383,8 +382,8 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
DISPLAY("%1i-%-14.14s : %9i -> %9i (%5.2f%%),%7.1f MB/s\r", loopNb, inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / fastestC / 1000.);
- // Decompression
- { size_t i; for (i=0; i<benchedSize; i++) orig_buff[i]=0; } // zeroing area, for CRC checking
+ /* Decompression */
+ { size_t i; for (i=0; i<benchedSize; i++) orig_buff[i]=0; } /* zeroing area, for CRC checking */
nbLoops = 0;
milliTime = BMK_GetMilliStart();
@@ -401,7 +400,7 @@ int BMK_benchFile(char** fileNamesTable, int nbFiles, int cLevel)
if ((double)milliTime < fastestD*nbLoops) fastestD = (double)milliTime/nbLoops;
DISPLAY("%1i-%-14.14s : %9i -> %9i (%5.2f%%),%7.1f MB/s ,%7.1f MB/s\r", loopNb, inFileName, (int)benchedSize, (int)cSize, ratio, (double)benchedSize / fastestC / 1000., (double)benchedSize / fastestD / 1000.);
- // CRC Checking
+ /* CRC Checking */
crcCheck = XXH32(orig_buff, (unsigned int)benchedSize,0);
if (crcOrig!=crcCheck) { DISPLAY("\n!!! WARNING !!! %14s : Invalid Checksum : %x != %x\n", inFileName, (unsigned)crcOrig, (unsigned)crcCheck); break; }
}
generated by cgit v0.12 at 2024-10-31 18:09:21 (GMT)