bench.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "lz4.h"
#include "lz4hc.h"
#include <stdint.h>

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Data Structures
struct	chunkParameters
struct	compressionParameters

Macros
#define	_CRT_SECURE_NO_DEPRECATE
#define	_CRT_SECURE_NO_WARNINGS
#define	_LARGEFILE64_SOURCE
#define	_rotl(x, r)   ((x << r) | (x >> (32 - r)))
#define	BYTE   uint8_t
#define	COMPRESSOR0   LZ4_compress
#define	COMPRESSOR1   LZ4_compressHC
#define	DEFAULT_CHUNKSIZE   (8<<20)
#define	DEFAULTCOMPRESSOR   LZ4_compress
#define	DISPLAY(...)   fprintf(stderr, __VA_ARGS__)
#define	KNUTH   2654435761U
#define	MAX_MEM   (1984<<20)
#define	NBLOOPS   3
#define	S32   int32_t
#define	TIMELOOP   2000
#define	U16   uint16_t
#define	U32   uint32_t
#define	U64   uint64_t

Functions
int	BMK_benchFile (char **fileNamesTable, int nbFiles, int cLevel)
static U32	BMK_checksum_MMH3A (char *buff, U32 length)
static size_t	BMK_findMaxMem (U64 requiredMem)
static U64	BMK_GetFileSize (char *infilename)
static int	BMK_GetMilliSpan (int nTimeStart)
static int	BMK_GetMilliStart ()
void	BMK_SetBlocksize (int bsize)
void	BMK_SetNbIterations (int nbLoops)
void	BMK_SetPause ()

Variables
static int	BMK_pause = 0
static int	chunkSize = DEFAULT_CHUNKSIZE
static int	nbIterations = NBLOOPS

Macro Definition Documentation

#define _CRT_SECURE_NO_DEPRECATE

Definition at line 30 of file bench.c.

#define _CRT_SECURE_NO_WARNINGS

Definition at line 29 of file bench.c.

#define _LARGEFILE64_SOURCE

Definition at line 37 of file bench.c.

#define _rotl	(		x,
			r
	)		((x << r) | (x >> (32 - r)))

Definition at line 48 of file bench.c.

Referenced by BMK_checksum_MMH3A().

#define BYTE   uint8_t

Definition at line 86 of file bench.c.

Referenced by LZ4_compress64kCtx(), LZ4_compressCtx(), LZ4_compressHCCtx(), and LZ4_encodeSequence().

#define COMPRESSOR0   LZ4_compress

Definition at line 68 of file bench.c.

Referenced by BMK_benchFile().

#define COMPRESSOR1   LZ4_compressHC

Definition at line 70 of file bench.c.

Referenced by BMK_benchFile().

#define DEFAULT_CHUNKSIZE   (8<<20)

Definition at line 102 of file bench.c.

#define DEFAULTCOMPRESSOR   LZ4_compress

Definition at line 71 of file bench.c.

Referenced by BMK_benchFile().

#define DISPLAY

(

...

)

fprintf(stderr, __VA_ARGS__)

Definition at line 127 of file bench.c.

Referenced by BMK_benchFile(), BMK_SetBlocksize(), and BMK_SetNbIterations().

#define KNUTH   2654435761U

Definition at line 100 of file bench.c.

Referenced by BMK_checksum_MMH3A().

#define MAX_MEM   (1984<<20)

Definition at line 101 of file bench.c.

Referenced by BMK_findMaxMem().

#define NBLOOPS   3

Definition at line 97 of file bench.c.

#define S32   int32_t

Definition at line 89 of file bench.c.

#define TIMELOOP   2000

Definition at line 98 of file bench.c.

Referenced by BMK_benchFile().

#define U16   uint16_t

Definition at line 87 of file bench.c.

#define U32   uint32_t

Definition at line 88 of file bench.c.

Referenced by BMK_benchFile(), and BMK_checksum_MMH3A().

#define U64   uint64_t

Definition at line 90 of file bench.c.

Referenced by BMK_benchFile(), and BMK_GetFileSize().

Function Documentation

int BMK_benchFile	(	char **	fileNamesTable,
		int	nbFiles,
		int	cLevel
	)

Definition at line 286 of file bench.c.

References BMK_checksum_MMH3A(), BMK_findMaxMem(), BMK_GetFileSize(), BMK_GetMilliSpan(), BMK_GetMilliStart(), BMK_pause, chunkSize, compressionParameters::compressionFunction, COMPRESSOR0, COMPRESSOR1, compressionParameters::decompressionFunction, DEFAULTCOMPRESSOR, DISPLAY, chunkParameters::id, chunkParameters::inputBuffer, chunkParameters::inputSize, LZ4_compressBound(), LZ4_uncompress(), nbIterations, NULL, chunkParameters::outputBuffer, chunkParameters::outputSize, TIMELOOP, U32, and U64.

Referenced by main().

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static U32 BMK_checksum_MMH3A ( char *  buff, U32  length  )

static

Definition at line 198 of file bench.c.

References _rotl, KNUTH, and U32.

Referenced by BMK_benchFile().

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static size_t BMK_findMaxMem ( U64  requiredMem )

static

Definition at line 247 of file bench.c.

References MAX_MEM, and NULL.

Referenced by BMK_benchFile().

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static U64 BMK_GetFileSize ( char *  infilename )

static

Definition at line 267 of file bench.c.

References U64.

Referenced by BMK_benchFile().

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static int BMK_GetMilliSpan ( int  nTimeStart )

static

Definition at line 189 of file bench.c.

References BMK_GetMilliStart().

Referenced by BMK_benchFile().

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static int BMK_GetMilliStart ( )

static

Definition at line 175 of file bench.c.

References NULL.

Referenced by BMK_benchFile(), and BMK_GetMilliSpan().

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void BMK_SetBlocksize

(

int

bsize

)

Definition at line 138 of file bench.c.

References chunkSize, and DISPLAY.

Referenced by main().

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void BMK_SetNbIterations

(

int

nbLoops

)

Definition at line 144 of file bench.c.

References DISPLAY, and nbIterations.

Referenced by main().

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void BMK_SetPause

(

)

Definition at line 150 of file bench.c.

References BMK_pause.

Referenced by main().

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Variable Documentation

int BMK_pause = 0

static

Definition at line 136 of file bench.c.

Referenced by BMK_benchFile(), and BMK_SetPause().

int chunkSize = DEFAULT_CHUNKSIZE

static

Definition at line 134 of file bench.c.

Referenced by BMK_benchFile(), BMK_SetBlocksize(), and decode_file().

int nbIterations = NBLOOPS

static

Definition at line 135 of file bench.c.

Referenced by BMK_benchFile(), and BMK_SetNbIterations().