paramgrill.c File Reference

#include "util.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <assert.h>
#include "timefn.h"
#include "mem.h"
#include "zstd.h"
#include "datagen.h"
#include "xxhash.h"
#include "benchfn.h"
#include "benchzstd.h"
#include "zstd_errors.h"
#include "zstd_internal.h"

Data Structures
struct	paramValues_t
struct	memoTable_t
struct	winnerInfo_t
struct	constraint_t
struct	winner_ll_node
struct	BMK_initCCtxArgs
struct	BMK_initDCtxArgs
struct	buffers_t
struct	contexts_t
struct	level_constraints_t

Macros
#define	ZSTD_STATIC_LINKING_ONLY   /* ZSTD_parameters, ZSTD_estimateCCtxSize */
#define	PROGRAM_DESCRIPTION   "ZSTD parameters tester"
#define	AUTHOR   "Yann Collet"
#define	WELCOME_MESSAGE   "*** %s %s %i-bits, by %s ***\n", PROGRAM_DESCRIPTION, ZSTD_VERSION_STRING, (int)(sizeof(void*)*8), AUTHOR
#define	TIMELOOP_NANOSEC   (1*1000000000ULL) /* 1 second */
#define	NB_LEVELS_TRACKED   22 /* ensured being >= ZSTD_maxCLevel() in BMK_init_level_constraints() */
#define	COMPRESSIBILITY_DEFAULT   0.50
#define	DISPLAY(...)
#define	DISPLAYLEVEL(n, ...)
#define	DEBUGOUTPUT(...)
#define	TIMED   0
#define	DEBUG   0
#define	MIN(a, b)
#define	MAX(a, b)
#define	CUSTOM_LEVEL   99
#define	BASE_CLEVEL   1
#define	FADT_MIN   0
#define	FADT_MAX   ((U32)-1)
#define	WLOG_RANGE   (ZSTD_WINDOWLOG_MAX - ZSTD_WINDOWLOG_MIN + 1)
#define	CLOG_RANGE   (ZSTD_CHAINLOG_MAX - ZSTD_CHAINLOG_MIN + 1)
#define	HLOG_RANGE   (ZSTD_HASHLOG_MAX - ZSTD_HASHLOG_MIN + 1)
#define	SLOG_RANGE   (ZSTD_SEARCHLOG_MAX - ZSTD_SEARCHLOG_MIN + 1)
#define	MML_RANGE   (ZSTD_MINMATCH_MAX - ZSTD_MINMATCH_MIN + 1)
#define	TLEN_RANGE   17
#define	STRT_RANGE   (ZSTD_STRATEGY_MAX - ZSTD_STRATEGY_MIN + 1)
#define	FADT_RANGE   3
#define	CHECKTIME(r)
#define	CHECKTIMEGT(ret, val, _gototag)
#define	PARAM_UNSET   ((U32)-2) /* can't be -1 b/c fadt uses -1 */
#define	BOUNDCHECK(val, min, max)
#define	WORSE_RESULT   0
#define	BETTER_RESULT   1
#define	ERROR_RESULT   2
#define	SPEED_RESULT   4
#define	SIZE_RESULT   5
#define	VARIANCE   1.2
#define	INFEASIBLE_THRESHOLD   200
#define	PARAMTABLELOG   25
#define	PARAMTABLESIZE   (1<<PARAMTABLELOG)
#define	PARAMTABLEMASK   (PARAMTABLESIZE-1)
#define	TRY_DECAY   1
#define	PARSE_SUB_ARGS(stringLong, stringShort, variable)

Enumerations
enum	varInds_t {   wlog_ind = 0 , clog_ind = 1 , hlog_ind = 2 , slog_ind = 3 ,   mml_ind = 4 , tlen_ind = 5 , strt_ind = 6 , fadt_ind = 7 ,   NUM_PARAMS = 8 }
enum	memoTableType_t { directMap , xxhashMap , noMemo }

Functions
int	main (int argc, const char **argv)

Macro Definition Documentation

AUTHOR

#define AUTHOR   "Yann Collet"

BASE_CLEVEL

#define BASE_CLEVEL   1

BETTER_RESULT

#define BETTER_RESULT   1

BOUNDCHECK

#define BOUNDCHECK	(		val,
			min,
			max )

Value:

    {                     \
    if (((val)<(min)) | ((val)>(max))) {              \
        DISPLAY("INVALID PARAMETER CONSTRAINTS\n");   \
        return 0;                                     \
}   }

CHECKTIME

#define CHECKTIME

(

r

)

Value:

{ if(BMK_timeSpan_s(g_time) > g_timeLimit_s) { DEBUGOUTPUT("Time Limit Reached\n"); return r; } }

CHECKTIMEGT

#define CHECKTIMEGT	(		ret,
			val,
			_gototag )

Value:

{ if(BMK_timeSpan_s(g_time) > g_timeLimit_s) { DEBUGOUTPUT("Time Limit Reached\n"); ret = val; goto _gototag; } }

CLOG_RANGE

#define CLOG_RANGE   (ZSTD_CHAINLOG_MAX - ZSTD_CHAINLOG_MIN + 1)

COMPRESSIBILITY_DEFAULT

#define COMPRESSIBILITY_DEFAULT   0.50

CUSTOM_LEVEL

#define CUSTOM_LEVEL   99

DEBUG

#define DEBUG   0

DEBUGOUTPUT

#define DEBUGOUTPUT

(

...

)

Value:

{ if (DEBUG) DISPLAY(__VA_ARGS__); }

DISPLAY

#define DISPLAY

(

...

)

Value:

fprintf(stderr, __VA_ARGS__)

DISPLAYLEVEL

#define DISPLAYLEVEL	(		n,
			... )

Value:

if(g_displayLevel >= n) { fprintf(stderr, __VA_ARGS__); }

ERROR_RESULT

#define ERROR_RESULT   2

FADT_MAX

#define FADT_MAX   ((U32)-1)

FADT_MIN

#define FADT_MIN   0

FADT_RANGE

#define FADT_RANGE   3

HLOG_RANGE

#define HLOG_RANGE   (ZSTD_HASHLOG_MAX - ZSTD_HASHLOG_MIN + 1)

INFEASIBLE_THRESHOLD

#define INFEASIBLE_THRESHOLD   200

MAX

#define MAX	(		a,
			b )

Value:

( (a) > (b) ? (a) : (b) )

MIN

#define MIN	(		a,
			b )

Value:

( (a) < (b) ? (a) : (b) )

MML_RANGE

#define MML_RANGE   (ZSTD_MINMATCH_MAX - ZSTD_MINMATCH_MIN + 1)

NB_LEVELS_TRACKED

#define NB_LEVELS_TRACKED   22 /* ensured being >= ZSTD_maxCLevel() in BMK_init_level_constraints() */

PARAM_UNSET

#define PARAM_UNSET   ((U32)-2) /* can't be -1 b/c fadt uses -1 */

PARAMTABLELOG

#define PARAMTABLELOG   25

PARAMTABLEMASK

#define PARAMTABLEMASK   (PARAMTABLESIZE-1)

PARAMTABLESIZE

#define PARAMTABLESIZE   (1<<PARAMTABLELOG)

PARSE_SUB_ARGS

#define PARSE_SUB_ARGS	(		stringLong,
			stringShort,
			variable )

Value:

    { \
    if ( longCommandWArg(&argument, stringLong)             \
      || longCommandWArg(&argument, stringShort) ) {        \
          variable = readU32FromChar(&argument);            \
          if (argument[0]==',') {                           \
              argument++; continue;                         \
          } else break;                                     \
}   }

PROGRAM_DESCRIPTION

#define PROGRAM_DESCRIPTION   "ZSTD parameters tester"

SIZE_RESULT

#define SIZE_RESULT   5

SLOG_RANGE

#define SLOG_RANGE   (ZSTD_SEARCHLOG_MAX - ZSTD_SEARCHLOG_MIN + 1)

SPEED_RESULT

#define SPEED_RESULT   4

STRT_RANGE

#define STRT_RANGE   (ZSTD_STRATEGY_MAX - ZSTD_STRATEGY_MIN + 1)

TIMED

#define TIMED   0

TIMELOOP_NANOSEC

#define TIMELOOP_NANOSEC   (1*1000000000ULL) /* 1 second */

TLEN_RANGE

#define TLEN_RANGE   17

TRY_DECAY

#define TRY_DECAY   1

VARIANCE

#define VARIANCE   1.2

WELCOME_MESSAGE

#define WELCOME_MESSAGE   "*** %s %s %i-bits, by %s ***\n", PROGRAM_DESCRIPTION, ZSTD_VERSION_STRING, (int)(sizeof(void*)*8), AUTHOR

WLOG_RANGE

#define WLOG_RANGE   (ZSTD_WINDOWLOG_MAX - ZSTD_WINDOWLOG_MIN + 1)

WORSE_RESULT

#define WORSE_RESULT   0

ZSTD_STATIC_LINKING_ONLY

#define ZSTD_STATIC_LINKING_ONLY   /* ZSTD_parameters, ZSTD_estimateCCtxSize */

Enumeration Type Documentation

memoTableType_t

enum memoTableType_t

Enumerator
directMap
xxhashMap
noMemo

varInds_t

enum varInds_t

Enumerator
wlog_ind
clog_ind
hlog_ind
slog_ind
mml_ind
tlen_ind
strt_ind
fadt_ind
NUM_PARAMS

Function Documentation

main()

int main	(	int	argc,
		const char **	argv )