880 lines
34 KiB
C
880 lines
34 KiB
C
/*
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* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under both the BSD-style license (found in the
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* LICENSE file in the root directory of this source tree) and the GPLv2 (found
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* in the COPYING file in the root directory of this source tree).
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* You may select, at your option, one of the above-listed licenses.
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*/
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/* **************************************
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* Tuning parameters
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****************************************/
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#ifndef BMK_TIMETEST_DEFAULT_S /* default minimum time per test */
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#define BMK_TIMETEST_DEFAULT_S 3
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#endif
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/* *************************************
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* Includes
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***************************************/
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#include "platform.h" /* Large Files support */
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#include "util.h" /* UTIL_getFileSize, UTIL_sleep */
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#include <stdlib.h> /* malloc, free */
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#include <string.h> /* memset, strerror */
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#include <stdio.h> /* fprintf, fopen */
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#include <errno.h>
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#include <assert.h> /* assert */
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#include "benchfn.h"
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#include "mem.h"
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#define ZSTD_STATIC_LINKING_ONLY
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#include "zstd.h"
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#include "datagen.h" /* RDG_genBuffer */
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#include "xxhash.h"
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#include "benchzstd.h"
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#include "zstd_errors.h"
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/* *************************************
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* Constants
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***************************************/
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#ifndef ZSTD_GIT_COMMIT
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# define ZSTD_GIT_COMMIT_STRING ""
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#else
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# define ZSTD_GIT_COMMIT_STRING ZSTD_EXPAND_AND_QUOTE(ZSTD_GIT_COMMIT)
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#endif
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#define TIMELOOP_MICROSEC (1*1000000ULL) /* 1 second */
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#define TIMELOOP_NANOSEC (1*1000000000ULL) /* 1 second */
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#define ACTIVEPERIOD_MICROSEC (70*TIMELOOP_MICROSEC) /* 70 seconds */
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#define COOLPERIOD_SEC 10
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#define KB *(1 <<10)
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#define MB *(1 <<20)
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#define GB *(1U<<30)
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#define BMK_RUNTEST_DEFAULT_MS 1000
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static const size_t maxMemory = (sizeof(size_t)==4) ?
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/* 32-bit */ (2 GB - 64 MB) :
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/* 64-bit */ (size_t)(1ULL << ((sizeof(size_t)*8)-31));
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/* *************************************
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* console display
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***************************************/
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#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
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#define DISPLAYLEVEL(l, ...) if (displayLevel>=l) { DISPLAY(__VA_ARGS__); }
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/* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : + progression; 4 : + information */
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static const U64 g_refreshRate = SEC_TO_MICRO / 6;
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static UTIL_time_t g_displayClock = UTIL_TIME_INITIALIZER;
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#define DISPLAYUPDATE(l, ...) { if (displayLevel>=l) { \
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if ((UTIL_clockSpanMicro(g_displayClock) > g_refreshRate) || (displayLevel>=4)) \
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{ g_displayClock = UTIL_getTime(); DISPLAY(__VA_ARGS__); \
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if (displayLevel>=4) fflush(stderr); } } }
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/* *************************************
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* Exceptions
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***************************************/
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#ifndef DEBUG
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# define DEBUG 0
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#endif
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#define DEBUGOUTPUT(...) { if (DEBUG) DISPLAY(__VA_ARGS__); }
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#define EXM_THROW_INT(errorNum, ...) { \
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DEBUGOUTPUT("%s: %i: \n", __FILE__, __LINE__); \
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DISPLAYLEVEL(1, "Error %i : ", errorNum); \
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DISPLAYLEVEL(1, __VA_ARGS__); \
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DISPLAYLEVEL(1, " \n"); \
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return errorNum; \
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}
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#define CHECK_Z(zf) { \
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size_t const zerr = zf; \
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if (ZSTD_isError(zerr)) { \
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DEBUGOUTPUT("%s: %i: \n", __FILE__, __LINE__); \
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DISPLAY("Error : "); \
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DISPLAY("%s failed : %s", \
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#zf, ZSTD_getErrorName(zerr)); \
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DISPLAY(" \n"); \
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exit(1); \
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} \
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}
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#define RETURN_ERROR(errorNum, retType, ...) { \
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retType r; \
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memset(&r, 0, sizeof(retType)); \
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DEBUGOUTPUT("%s: %i: \n", __FILE__, __LINE__); \
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DISPLAYLEVEL(1, "Error %i : ", errorNum); \
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DISPLAYLEVEL(1, __VA_ARGS__); \
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DISPLAYLEVEL(1, " \n"); \
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r.tag = errorNum; \
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return r; \
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}
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/* *************************************
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* Benchmark Parameters
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***************************************/
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BMK_advancedParams_t BMK_initAdvancedParams(void) {
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BMK_advancedParams_t const res = {
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BMK_both, /* mode */
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BMK_TIMETEST_DEFAULT_S, /* nbSeconds */
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0, /* blockSize */
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0, /* nbWorkers */
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0, /* realTime */
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0, /* additionalParam */
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0, /* ldmFlag */
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0, /* ldmMinMatch */
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0, /* ldmHashLog */
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0, /* ldmBuckSizeLog */
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0 /* ldmHashRateLog */
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};
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return res;
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}
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/* ********************************************************
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* Bench functions
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**********************************************************/
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typedef struct {
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const void* srcPtr;
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size_t srcSize;
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void* cPtr;
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size_t cRoom;
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size_t cSize;
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void* resPtr;
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size_t resSize;
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} blockParam_t;
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#undef MIN
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#undef MAX
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#define MIN(a,b) ((a) < (b) ? (a) : (b))
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#define MAX(a,b) ((a) > (b) ? (a) : (b))
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static void BMK_initCCtx(ZSTD_CCtx* ctx,
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const void* dictBuffer, size_t dictBufferSize, int cLevel,
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const ZSTD_compressionParameters* comprParams, const BMK_advancedParams_t* adv) {
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ZSTD_CCtx_reset(ctx, ZSTD_reset_session_and_parameters);
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if (adv->nbWorkers==1) {
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_nbWorkers, 0));
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} else {
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_nbWorkers, adv->nbWorkers));
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}
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_compressionLevel, cLevel));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_enableLongDistanceMatching, adv->ldmFlag));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_ldmMinMatch, adv->ldmMinMatch));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_ldmHashLog, adv->ldmHashLog));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_ldmBucketSizeLog, adv->ldmBucketSizeLog));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_ldmHashRateLog, adv->ldmHashRateLog));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_windowLog, comprParams->windowLog));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_hashLog, comprParams->hashLog));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_chainLog, comprParams->chainLog));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_searchLog, comprParams->searchLog));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_minMatch, comprParams->minMatch));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_targetLength, comprParams->targetLength));
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CHECK_Z(ZSTD_CCtx_setParameter(ctx, ZSTD_c_strategy, comprParams->strategy));
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CHECK_Z(ZSTD_CCtx_loadDictionary(ctx, dictBuffer, dictBufferSize));
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}
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static void BMK_initDCtx(ZSTD_DCtx* dctx,
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const void* dictBuffer, size_t dictBufferSize) {
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CHECK_Z(ZSTD_DCtx_reset(dctx, ZSTD_reset_session_and_parameters));
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CHECK_Z(ZSTD_DCtx_loadDictionary(dctx, dictBuffer, dictBufferSize));
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}
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typedef struct {
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ZSTD_CCtx* cctx;
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const void* dictBuffer;
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size_t dictBufferSize;
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int cLevel;
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const ZSTD_compressionParameters* comprParams;
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const BMK_advancedParams_t* adv;
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} BMK_initCCtxArgs;
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static size_t local_initCCtx(void* payload) {
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BMK_initCCtxArgs* ag = (BMK_initCCtxArgs*)payload;
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BMK_initCCtx(ag->cctx, ag->dictBuffer, ag->dictBufferSize, ag->cLevel, ag->comprParams, ag->adv);
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return 0;
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}
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typedef struct {
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ZSTD_DCtx* dctx;
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const void* dictBuffer;
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size_t dictBufferSize;
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} BMK_initDCtxArgs;
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static size_t local_initDCtx(void* payload) {
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BMK_initDCtxArgs* ag = (BMK_initDCtxArgs*)payload;
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BMK_initDCtx(ag->dctx, ag->dictBuffer, ag->dictBufferSize);
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return 0;
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}
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/* `addArgs` is the context */
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static size_t local_defaultCompress(
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const void* srcBuffer, size_t srcSize,
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void* dstBuffer, size_t dstSize,
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void* addArgs)
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{
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ZSTD_CCtx* const cctx = (ZSTD_CCtx*)addArgs;
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return ZSTD_compress2(cctx, dstBuffer, dstSize, srcBuffer, srcSize);
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}
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/* `addArgs` is the context */
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static size_t local_defaultDecompress(
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const void* srcBuffer, size_t srcSize,
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void* dstBuffer, size_t dstCapacity,
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void* addArgs)
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{
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size_t moreToFlush = 1;
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ZSTD_DCtx* const dctx = (ZSTD_DCtx*)addArgs;
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ZSTD_inBuffer in;
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ZSTD_outBuffer out;
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in.src = srcBuffer; in.size = srcSize; in.pos = 0;
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out.dst = dstBuffer; out.size = dstCapacity; out.pos = 0;
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while (moreToFlush) {
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if(out.pos == out.size) {
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return (size_t)-ZSTD_error_dstSize_tooSmall;
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}
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moreToFlush = ZSTD_decompressStream(dctx, &out, &in);
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if (ZSTD_isError(moreToFlush)) {
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return moreToFlush;
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}
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}
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return out.pos;
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}
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/* ================================================================= */
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/* Benchmark Zstandard, mem-to-mem scenarios */
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/* ================================================================= */
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int BMK_isSuccessful_benchOutcome(BMK_benchOutcome_t outcome)
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{
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return outcome.tag == 0;
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}
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BMK_benchResult_t BMK_extract_benchResult(BMK_benchOutcome_t outcome)
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{
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assert(outcome.tag == 0);
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return outcome.internal_never_use_directly;
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}
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static BMK_benchOutcome_t BMK_benchOutcome_error(void)
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{
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BMK_benchOutcome_t b;
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memset(&b, 0, sizeof(b));
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b.tag = 1;
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return b;
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}
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static BMK_benchOutcome_t BMK_benchOutcome_setValidResult(BMK_benchResult_t result)
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{
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BMK_benchOutcome_t b;
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b.tag = 0;
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b.internal_never_use_directly = result;
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return b;
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}
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/* benchMem with no allocation */
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static BMK_benchOutcome_t
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BMK_benchMemAdvancedNoAlloc(
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const void** srcPtrs, size_t* srcSizes,
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void** cPtrs, size_t* cCapacities, size_t* cSizes,
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void** resPtrs, size_t* resSizes,
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void** resultBufferPtr, void* compressedBuffer,
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size_t maxCompressedSize,
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BMK_timedFnState_t* timeStateCompress,
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BMK_timedFnState_t* timeStateDecompress,
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const void* srcBuffer, size_t srcSize,
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const size_t* fileSizes, unsigned nbFiles,
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const int cLevel,
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const ZSTD_compressionParameters* comprParams,
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const void* dictBuffer, size_t dictBufferSize,
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ZSTD_CCtx* cctx, ZSTD_DCtx* dctx,
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int displayLevel, const char* displayName,
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const BMK_advancedParams_t* adv)
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{
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size_t const blockSize = ((adv->blockSize>=32 && (adv->mode != BMK_decodeOnly)) ? adv->blockSize : srcSize) + (!srcSize); /* avoid div by 0 */
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BMK_benchResult_t benchResult;
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size_t const loadedCompressedSize = srcSize;
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size_t cSize = 0;
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double ratio = 0.;
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U32 nbBlocks;
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assert(cctx != NULL); assert(dctx != NULL);
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/* init */
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memset(&benchResult, 0, sizeof(benchResult));
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if (strlen(displayName)>17) displayName += strlen(displayName) - 17; /* display last 17 characters */
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if (adv->mode == BMK_decodeOnly) { /* benchmark only decompression : source must be already compressed */
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const char* srcPtr = (const char*)srcBuffer;
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U64 totalDSize64 = 0;
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U32 fileNb;
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for (fileNb=0; fileNb<nbFiles; fileNb++) {
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U64 const fSize64 = ZSTD_findDecompressedSize(srcPtr, fileSizes[fileNb]);
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if (fSize64==0) RETURN_ERROR(32, BMK_benchOutcome_t, "Impossible to determine original size ");
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totalDSize64 += fSize64;
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srcPtr += fileSizes[fileNb];
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}
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{ size_t const decodedSize = (size_t)totalDSize64;
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assert((U64)decodedSize == totalDSize64); /* check overflow */
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free(*resultBufferPtr);
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*resultBufferPtr = malloc(decodedSize);
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if (!(*resultBufferPtr)) {
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RETURN_ERROR(33, BMK_benchOutcome_t, "not enough memory");
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}
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if (totalDSize64 > decodedSize) { /* size_t overflow */
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free(*resultBufferPtr);
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RETURN_ERROR(32, BMK_benchOutcome_t, "original size is too large");
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}
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cSize = srcSize;
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srcSize = decodedSize;
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ratio = (double)srcSize / (double)cSize;
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}
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}
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/* Init data blocks */
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{ const char* srcPtr = (const char*)srcBuffer;
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char* cPtr = (char*)compressedBuffer;
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char* resPtr = (char*)(*resultBufferPtr);
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U32 fileNb;
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for (nbBlocks=0, fileNb=0; fileNb<nbFiles; fileNb++) {
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size_t remaining = fileSizes[fileNb];
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U32 const nbBlocksforThisFile = (adv->mode == BMK_decodeOnly) ? 1 : (U32)((remaining + (blockSize-1)) / blockSize);
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U32 const blockEnd = nbBlocks + nbBlocksforThisFile;
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for ( ; nbBlocks<blockEnd; nbBlocks++) {
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size_t const thisBlockSize = MIN(remaining, blockSize);
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srcPtrs[nbBlocks] = srcPtr;
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srcSizes[nbBlocks] = thisBlockSize;
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cPtrs[nbBlocks] = cPtr;
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cCapacities[nbBlocks] = (adv->mode == BMK_decodeOnly) ? thisBlockSize : ZSTD_compressBound(thisBlockSize);
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resPtrs[nbBlocks] = resPtr;
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resSizes[nbBlocks] = (adv->mode == BMK_decodeOnly) ? (size_t) ZSTD_findDecompressedSize(srcPtr, thisBlockSize) : thisBlockSize;
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srcPtr += thisBlockSize;
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cPtr += cCapacities[nbBlocks];
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resPtr += thisBlockSize;
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remaining -= thisBlockSize;
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if (adv->mode == BMK_decodeOnly) {
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assert(nbBlocks==0);
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cSizes[nbBlocks] = thisBlockSize;
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benchResult.cSize = thisBlockSize;
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}
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}
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}
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}
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/* warmimg up `compressedBuffer` */
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if (adv->mode == BMK_decodeOnly) {
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memcpy(compressedBuffer, srcBuffer, loadedCompressedSize);
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} else {
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RDG_genBuffer(compressedBuffer, maxCompressedSize, 0.10, 0.50, 1);
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}
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/* Bench */
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{ U64 const crcOrig = (adv->mode == BMK_decodeOnly) ? 0 : XXH64(srcBuffer, srcSize, 0);
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# define NB_MARKS 4
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const char* marks[NB_MARKS] = { " |", " /", " =", " \\" };
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U32 markNb = 0;
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int compressionCompleted = (adv->mode == BMK_decodeOnly);
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int decompressionCompleted = (adv->mode == BMK_compressOnly);
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BMK_benchParams_t cbp, dbp;
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BMK_initCCtxArgs cctxprep;
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BMK_initDCtxArgs dctxprep;
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cbp.benchFn = local_defaultCompress;
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cbp.benchPayload = cctx;
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cbp.initFn = local_initCCtx;
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cbp.initPayload = &cctxprep;
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cbp.errorFn = ZSTD_isError;
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cbp.blockCount = nbBlocks;
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cbp.srcBuffers = srcPtrs;
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cbp.srcSizes = srcSizes;
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cbp.dstBuffers = cPtrs;
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cbp.dstCapacities = cCapacities;
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cbp.blockResults = cSizes;
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cctxprep.cctx = cctx;
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cctxprep.dictBuffer = dictBuffer;
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cctxprep.dictBufferSize = dictBufferSize;
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cctxprep.cLevel = cLevel;
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cctxprep.comprParams = comprParams;
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cctxprep.adv = adv;
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dbp.benchFn = local_defaultDecompress;
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dbp.benchPayload = dctx;
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dbp.initFn = local_initDCtx;
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dbp.initPayload = &dctxprep;
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dbp.errorFn = ZSTD_isError;
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dbp.blockCount = nbBlocks;
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dbp.srcBuffers = (const void* const *) cPtrs;
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dbp.srcSizes = cSizes;
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dbp.dstBuffers = resPtrs;
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dbp.dstCapacities = resSizes;
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dbp.blockResults = NULL;
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dctxprep.dctx = dctx;
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dctxprep.dictBuffer = dictBuffer;
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dctxprep.dictBufferSize = dictBufferSize;
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DISPLAYLEVEL(2, "\r%70s\r", ""); /* blank line */
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DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->\r", marks[markNb], displayName, (U32)srcSize);
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while (!(compressionCompleted && decompressionCompleted)) {
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if (!compressionCompleted) {
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BMK_runOutcome_t const cOutcome = BMK_benchTimedFn( timeStateCompress, cbp);
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if (!BMK_isSuccessful_runOutcome(cOutcome)) {
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return BMK_benchOutcome_error();
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}
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{ BMK_runTime_t const cResult = BMK_extract_runTime(cOutcome);
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cSize = cResult.sumOfReturn;
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ratio = (double)srcSize / cSize;
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{ BMK_benchResult_t newResult;
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newResult.cSpeed = ((U64)srcSize * TIMELOOP_NANOSEC / cResult.nanoSecPerRun);
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benchResult.cSize = cSize;
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if (newResult.cSpeed > benchResult.cSpeed)
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benchResult.cSpeed = newResult.cSpeed;
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} }
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{ int const ratioAccuracy = (ratio < 10.) ? 3 : 2;
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DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.*f),%6.*f MB/s\r",
|
|
marks[markNb], displayName,
|
|
(U32)srcSize, (U32)cSize,
|
|
ratioAccuracy, ratio,
|
|
benchResult.cSpeed < (10 MB) ? 2 : 1, (double)benchResult.cSpeed / MB_UNIT);
|
|
}
|
|
compressionCompleted = BMK_isCompleted_TimedFn(timeStateCompress);
|
|
}
|
|
|
|
if(!decompressionCompleted) {
|
|
BMK_runOutcome_t const dOutcome = BMK_benchTimedFn(timeStateDecompress, dbp);
|
|
|
|
if(!BMK_isSuccessful_runOutcome(dOutcome)) {
|
|
return BMK_benchOutcome_error();
|
|
}
|
|
|
|
{ BMK_runTime_t const dResult = BMK_extract_runTime(dOutcome);
|
|
U64 const newDSpeed = (srcSize * TIMELOOP_NANOSEC / dResult.nanoSecPerRun);
|
|
if (newDSpeed > benchResult.dSpeed)
|
|
benchResult.dSpeed = newDSpeed;
|
|
}
|
|
|
|
{ int const ratioAccuracy = (ratio < 10.) ? 3 : 2;
|
|
DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->%10u (%5.*f),%6.*f MB/s ,%6.1f MB/s \r",
|
|
marks[markNb], displayName,
|
|
(U32)srcSize, (U32)benchResult.cSize,
|
|
ratioAccuracy, ratio,
|
|
benchResult.cSpeed < (10 MB) ? 2 : 1, (double)benchResult.cSpeed / MB_UNIT,
|
|
(double)benchResult.dSpeed / MB_UNIT);
|
|
}
|
|
decompressionCompleted = BMK_isCompleted_TimedFn(timeStateDecompress);
|
|
}
|
|
markNb = (markNb+1) % NB_MARKS;
|
|
} /* while (!(compressionCompleted && decompressionCompleted)) */
|
|
|
|
/* CRC Checking */
|
|
{ const BYTE* resultBuffer = (const BYTE*)(*resultBufferPtr);
|
|
U64 const crcCheck = XXH64(resultBuffer, srcSize, 0);
|
|
if ((adv->mode == BMK_both) && (crcOrig!=crcCheck)) {
|
|
size_t u;
|
|
DISPLAY("!!! WARNING !!! %14s : Invalid Checksum : %x != %x \n",
|
|
displayName, (unsigned)crcOrig, (unsigned)crcCheck);
|
|
for (u=0; u<srcSize; u++) {
|
|
if (((const BYTE*)srcBuffer)[u] != resultBuffer[u]) {
|
|
U32 segNb, bNb, pos;
|
|
size_t bacc = 0;
|
|
DISPLAY("Decoding error at pos %u ", (U32)u);
|
|
for (segNb = 0; segNb < nbBlocks; segNb++) {
|
|
if (bacc + srcSizes[segNb] > u) break;
|
|
bacc += srcSizes[segNb];
|
|
}
|
|
pos = (U32)(u - bacc);
|
|
bNb = pos / (128 KB);
|
|
DISPLAY("(sample %u, block %u, pos %u) \n", segNb, bNb, pos);
|
|
if (u>5) {
|
|
int n;
|
|
DISPLAY("origin: ");
|
|
for (n=-5; n<0; n++) DISPLAY("%02X ", ((const BYTE*)srcBuffer)[u+n]);
|
|
DISPLAY(" :%02X: ", ((const BYTE*)srcBuffer)[u]);
|
|
for (n=1; n<3; n++) DISPLAY("%02X ", ((const BYTE*)srcBuffer)[u+n]);
|
|
DISPLAY(" \n");
|
|
DISPLAY("decode: ");
|
|
for (n=-5; n<0; n++) DISPLAY("%02X ", resultBuffer[u+n]);
|
|
DISPLAY(" :%02X: ", resultBuffer[u]);
|
|
for (n=1; n<3; n++) DISPLAY("%02X ", resultBuffer[u+n]);
|
|
DISPLAY(" \n");
|
|
}
|
|
break;
|
|
}
|
|
if (u==srcSize-1) { /* should never happen */
|
|
DISPLAY("no difference detected\n");
|
|
}
|
|
}
|
|
}
|
|
} /* CRC Checking */
|
|
|
|
if (displayLevel == 1) { /* hidden display mode -q, used by python speed benchmark */
|
|
double const cSpeed = (double)benchResult.cSpeed / MB_UNIT;
|
|
double const dSpeed = (double)benchResult.dSpeed / MB_UNIT;
|
|
if (adv->additionalParam) {
|
|
DISPLAY("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s (param=%d)\n", cLevel, (int)cSize, ratio, cSpeed, dSpeed, displayName, adv->additionalParam);
|
|
} else {
|
|
DISPLAY("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s\n", cLevel, (int)cSize, ratio, cSpeed, dSpeed, displayName);
|
|
}
|
|
}
|
|
|
|
DISPLAYLEVEL(2, "%2i#\n", cLevel);
|
|
} /* Bench */
|
|
|
|
benchResult.cMem = (1ULL << (comprParams->windowLog)) + ZSTD_sizeof_CCtx(cctx);
|
|
return BMK_benchOutcome_setValidResult(benchResult);
|
|
}
|
|
|
|
BMK_benchOutcome_t BMK_benchMemAdvanced(const void* srcBuffer, size_t srcSize,
|
|
void* dstBuffer, size_t dstCapacity,
|
|
const size_t* fileSizes, unsigned nbFiles,
|
|
int cLevel, const ZSTD_compressionParameters* comprParams,
|
|
const void* dictBuffer, size_t dictBufferSize,
|
|
int displayLevel, const char* displayName, const BMK_advancedParams_t* adv)
|
|
|
|
{
|
|
int const dstParamsError = !dstBuffer ^ !dstCapacity; /* must be both NULL or none */
|
|
|
|
size_t const blockSize = ((adv->blockSize>=32 && (adv->mode != BMK_decodeOnly)) ? adv->blockSize : srcSize) + (!srcSize) /* avoid div by 0 */ ;
|
|
U32 const maxNbBlocks = (U32) ((srcSize + (blockSize-1)) / blockSize) + nbFiles;
|
|
|
|
/* these are the blockTable parameters, just split up */
|
|
const void ** const srcPtrs = (const void**)malloc(maxNbBlocks * sizeof(void*));
|
|
size_t* const srcSizes = (size_t*)malloc(maxNbBlocks * sizeof(size_t));
|
|
|
|
|
|
void ** const cPtrs = (void**)malloc(maxNbBlocks * sizeof(void*));
|
|
size_t* const cSizes = (size_t*)malloc(maxNbBlocks * sizeof(size_t));
|
|
size_t* const cCapacities = (size_t*)malloc(maxNbBlocks * sizeof(size_t));
|
|
|
|
void ** const resPtrs = (void**)malloc(maxNbBlocks * sizeof(void*));
|
|
size_t* const resSizes = (size_t*)malloc(maxNbBlocks * sizeof(size_t));
|
|
|
|
BMK_timedFnState_t* timeStateCompress = BMK_createTimedFnState(adv->nbSeconds * 1000, BMK_RUNTEST_DEFAULT_MS);
|
|
BMK_timedFnState_t* timeStateDecompress = BMK_createTimedFnState(adv->nbSeconds * 1000, BMK_RUNTEST_DEFAULT_MS);
|
|
|
|
ZSTD_CCtx* const cctx = ZSTD_createCCtx();
|
|
ZSTD_DCtx* const dctx = ZSTD_createDCtx();
|
|
|
|
const size_t maxCompressedSize = dstCapacity ? dstCapacity : ZSTD_compressBound(srcSize) + (maxNbBlocks * 1024);
|
|
|
|
void* const internalDstBuffer = dstBuffer ? NULL : malloc(maxCompressedSize);
|
|
void* const compressedBuffer = dstBuffer ? dstBuffer : internalDstBuffer;
|
|
|
|
BMK_benchOutcome_t outcome = BMK_benchOutcome_error(); /* error by default */
|
|
|
|
void* resultBuffer = srcSize ? malloc(srcSize) : NULL;
|
|
|
|
int allocationincomplete = !srcPtrs || !srcSizes || !cPtrs ||
|
|
!cSizes || !cCapacities || !resPtrs || !resSizes ||
|
|
!timeStateCompress || !timeStateDecompress ||
|
|
!cctx || !dctx ||
|
|
!compressedBuffer || !resultBuffer;
|
|
|
|
|
|
if (!allocationincomplete && !dstParamsError) {
|
|
outcome = BMK_benchMemAdvancedNoAlloc(srcPtrs, srcSizes,
|
|
cPtrs, cCapacities, cSizes,
|
|
resPtrs, resSizes,
|
|
&resultBuffer,
|
|
compressedBuffer, maxCompressedSize,
|
|
timeStateCompress, timeStateDecompress,
|
|
srcBuffer, srcSize,
|
|
fileSizes, nbFiles,
|
|
cLevel, comprParams,
|
|
dictBuffer, dictBufferSize,
|
|
cctx, dctx,
|
|
displayLevel, displayName, adv);
|
|
}
|
|
|
|
/* clean up */
|
|
BMK_freeTimedFnState(timeStateCompress);
|
|
BMK_freeTimedFnState(timeStateDecompress);
|
|
|
|
ZSTD_freeCCtx(cctx);
|
|
ZSTD_freeDCtx(dctx);
|
|
|
|
free(internalDstBuffer);
|
|
free(resultBuffer);
|
|
|
|
free((void*)srcPtrs);
|
|
free(srcSizes);
|
|
free(cPtrs);
|
|
free(cSizes);
|
|
free(cCapacities);
|
|
free(resPtrs);
|
|
free(resSizes);
|
|
|
|
if(allocationincomplete) {
|
|
RETURN_ERROR(31, BMK_benchOutcome_t, "allocation error : not enough memory");
|
|
}
|
|
|
|
if(dstParamsError) {
|
|
RETURN_ERROR(32, BMK_benchOutcome_t, "Dst parameters not coherent");
|
|
}
|
|
return outcome;
|
|
}
|
|
|
|
BMK_benchOutcome_t BMK_benchMem(const void* srcBuffer, size_t srcSize,
|
|
const size_t* fileSizes, unsigned nbFiles,
|
|
int cLevel, const ZSTD_compressionParameters* comprParams,
|
|
const void* dictBuffer, size_t dictBufferSize,
|
|
int displayLevel, const char* displayName) {
|
|
|
|
BMK_advancedParams_t const adv = BMK_initAdvancedParams();
|
|
return BMK_benchMemAdvanced(srcBuffer, srcSize,
|
|
NULL, 0,
|
|
fileSizes, nbFiles,
|
|
cLevel, comprParams,
|
|
dictBuffer, dictBufferSize,
|
|
displayLevel, displayName, &adv);
|
|
}
|
|
|
|
static BMK_benchOutcome_t BMK_benchCLevel(const void* srcBuffer, size_t benchedSize,
|
|
const size_t* fileSizes, unsigned nbFiles,
|
|
int cLevel, const ZSTD_compressionParameters* comprParams,
|
|
const void* dictBuffer, size_t dictBufferSize,
|
|
int displayLevel, const char* displayName,
|
|
BMK_advancedParams_t const * const adv)
|
|
{
|
|
const char* pch = strrchr(displayName, '\\'); /* Windows */
|
|
if (!pch) pch = strrchr(displayName, '/'); /* Linux */
|
|
if (pch) displayName = pch+1;
|
|
|
|
if (adv->realTime) {
|
|
DISPLAYLEVEL(2, "Note : switching to real-time priority \n");
|
|
SET_REALTIME_PRIORITY;
|
|
}
|
|
|
|
if (displayLevel == 1 && !adv->additionalParam) /* --quiet mode */
|
|
DISPLAY("bench %s %s: input %u bytes, %u seconds, %u KB blocks\n",
|
|
ZSTD_VERSION_STRING, ZSTD_GIT_COMMIT_STRING,
|
|
(U32)benchedSize, adv->nbSeconds, (U32)(adv->blockSize>>10));
|
|
|
|
return BMK_benchMemAdvanced(srcBuffer, benchedSize,
|
|
NULL, 0,
|
|
fileSizes, nbFiles,
|
|
cLevel, comprParams,
|
|
dictBuffer, dictBufferSize,
|
|
displayLevel, displayName, adv);
|
|
}
|
|
|
|
BMK_benchOutcome_t BMK_syntheticTest(int cLevel, double compressibility,
|
|
const ZSTD_compressionParameters* compressionParams,
|
|
int displayLevel, const BMK_advancedParams_t* adv)
|
|
{
|
|
char name[20] = {0};
|
|
size_t const benchedSize = 10000000;
|
|
void* srcBuffer;
|
|
BMK_benchOutcome_t res;
|
|
|
|
if (cLevel > ZSTD_maxCLevel()) {
|
|
RETURN_ERROR(15, BMK_benchOutcome_t, "Invalid Compression Level");
|
|
}
|
|
|
|
/* Memory allocation */
|
|
srcBuffer = malloc(benchedSize);
|
|
if (!srcBuffer) RETURN_ERROR(21, BMK_benchOutcome_t, "not enough memory");
|
|
|
|
/* Fill input buffer */
|
|
RDG_genBuffer(srcBuffer, benchedSize, compressibility, 0.0, 0);
|
|
|
|
/* Bench */
|
|
snprintf (name, sizeof(name), "Synthetic %2u%%", (unsigned)(compressibility*100));
|
|
res = BMK_benchCLevel(srcBuffer, benchedSize,
|
|
&benchedSize /* ? */, 1 /* ? */,
|
|
cLevel, compressionParams,
|
|
NULL, 0, /* dictionary */
|
|
displayLevel, name, adv);
|
|
|
|
/* clean up */
|
|
free(srcBuffer);
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
|
|
static size_t BMK_findMaxMem(U64 requiredMem)
|
|
{
|
|
size_t const step = 64 MB;
|
|
BYTE* testmem = NULL;
|
|
|
|
requiredMem = (((requiredMem >> 26) + 1) << 26);
|
|
requiredMem += step;
|
|
if (requiredMem > maxMemory) requiredMem = maxMemory;
|
|
|
|
do {
|
|
testmem = (BYTE*)malloc((size_t)requiredMem);
|
|
requiredMem -= step;
|
|
} while (!testmem && requiredMem > 0);
|
|
|
|
free(testmem);
|
|
return (size_t)(requiredMem);
|
|
}
|
|
|
|
/*! BMK_loadFiles() :
|
|
* Loads `buffer` with content of files listed within `fileNamesTable`.
|
|
* At most, fills `buffer` entirely. */
|
|
static int BMK_loadFiles(void* buffer, size_t bufferSize,
|
|
size_t* fileSizes,
|
|
const char* const * fileNamesTable, unsigned nbFiles,
|
|
int displayLevel)
|
|
{
|
|
size_t pos = 0, totalSize = 0;
|
|
unsigned n;
|
|
for (n=0; n<nbFiles; n++) {
|
|
FILE* f;
|
|
U64 fileSize = UTIL_getFileSize(fileNamesTable[n]);
|
|
if (UTIL_isDirectory(fileNamesTable[n])) {
|
|
DISPLAYLEVEL(2, "Ignoring %s directory... \n", fileNamesTable[n]);
|
|
fileSizes[n] = 0;
|
|
continue;
|
|
}
|
|
if (fileSize == UTIL_FILESIZE_UNKNOWN) {
|
|
DISPLAYLEVEL(2, "Cannot evaluate size of %s, ignoring ... \n", fileNamesTable[n]);
|
|
fileSizes[n] = 0;
|
|
continue;
|
|
}
|
|
f = fopen(fileNamesTable[n], "rb");
|
|
if (f==NULL) EXM_THROW_INT(10, "impossible to open file %s", fileNamesTable[n]);
|
|
DISPLAYUPDATE(2, "Loading %s... \r", fileNamesTable[n]);
|
|
if (fileSize > bufferSize-pos) fileSize = bufferSize-pos, nbFiles=n; /* buffer too small - stop after this file */
|
|
{ size_t const readSize = fread(((char*)buffer)+pos, 1, (size_t)fileSize, f);
|
|
if (readSize != (size_t)fileSize) EXM_THROW_INT(11, "could not read %s", fileNamesTable[n]);
|
|
pos += readSize;
|
|
}
|
|
fileSizes[n] = (size_t)fileSize;
|
|
totalSize += (size_t)fileSize;
|
|
fclose(f);
|
|
}
|
|
|
|
if (totalSize == 0) EXM_THROW_INT(12, "no data to bench");
|
|
return 0;
|
|
}
|
|
|
|
BMK_benchOutcome_t BMK_benchFilesAdvanced(
|
|
const char* const * fileNamesTable, unsigned nbFiles,
|
|
const char* dictFileName, int cLevel,
|
|
const ZSTD_compressionParameters* compressionParams,
|
|
int displayLevel, const BMK_advancedParams_t* adv)
|
|
{
|
|
void* srcBuffer = NULL;
|
|
size_t benchedSize;
|
|
void* dictBuffer = NULL;
|
|
size_t dictBufferSize = 0;
|
|
size_t* fileSizes = NULL;
|
|
BMK_benchOutcome_t res;
|
|
U64 const totalSizeToLoad = UTIL_getTotalFileSize(fileNamesTable, nbFiles);
|
|
|
|
if (!nbFiles) {
|
|
RETURN_ERROR(14, BMK_benchOutcome_t, "No Files to Benchmark");
|
|
}
|
|
|
|
if (cLevel > ZSTD_maxCLevel()) {
|
|
RETURN_ERROR(15, BMK_benchOutcome_t, "Invalid Compression Level");
|
|
}
|
|
|
|
fileSizes = (size_t*)calloc(nbFiles, sizeof(size_t));
|
|
if (!fileSizes) RETURN_ERROR(12, BMK_benchOutcome_t, "not enough memory for fileSizes");
|
|
|
|
/* Load dictionary */
|
|
if (dictFileName != NULL) {
|
|
U64 const dictFileSize = UTIL_getFileSize(dictFileName);
|
|
if (dictFileSize == UTIL_FILESIZE_UNKNOWN) {
|
|
DISPLAYLEVEL(1, "error loading %s : %s \n", dictFileName, strerror(errno));
|
|
free(fileSizes);
|
|
RETURN_ERROR(9, BMK_benchOutcome_t, "benchmark aborted");
|
|
}
|
|
if (dictFileSize > 64 MB) {
|
|
free(fileSizes);
|
|
RETURN_ERROR(10, BMK_benchOutcome_t, "dictionary file %s too large", dictFileName);
|
|
}
|
|
dictBufferSize = (size_t)dictFileSize;
|
|
dictBuffer = malloc(dictBufferSize);
|
|
if (dictBuffer==NULL) {
|
|
free(fileSizes);
|
|
RETURN_ERROR(11, BMK_benchOutcome_t, "not enough memory for dictionary (%u bytes)",
|
|
(U32)dictBufferSize);
|
|
}
|
|
|
|
{ int const errorCode = BMK_loadFiles(dictBuffer, dictBufferSize,
|
|
fileSizes, &dictFileName /*?*/,
|
|
1 /*?*/, displayLevel);
|
|
if (errorCode) {
|
|
res = BMK_benchOutcome_error();
|
|
goto _cleanUp;
|
|
} }
|
|
}
|
|
|
|
/* Memory allocation & restrictions */
|
|
benchedSize = BMK_findMaxMem(totalSizeToLoad * 3) / 3;
|
|
if ((U64)benchedSize > totalSizeToLoad) benchedSize = (size_t)totalSizeToLoad;
|
|
if (benchedSize < totalSizeToLoad)
|
|
DISPLAY("Not enough memory; testing %u MB only...\n", (U32)(benchedSize >> 20));
|
|
|
|
srcBuffer = benchedSize ? malloc(benchedSize) : NULL;
|
|
if (!srcBuffer) {
|
|
free(dictBuffer);
|
|
free(fileSizes);
|
|
RETURN_ERROR(12, BMK_benchOutcome_t, "not enough memory");
|
|
}
|
|
|
|
/* Load input buffer */
|
|
{ int const errorCode = BMK_loadFiles(srcBuffer, benchedSize,
|
|
fileSizes, fileNamesTable, nbFiles,
|
|
displayLevel);
|
|
if (errorCode) {
|
|
res = BMK_benchOutcome_error();
|
|
goto _cleanUp;
|
|
} }
|
|
|
|
/* Bench */
|
|
{ char mfName[20] = {0};
|
|
snprintf (mfName, sizeof(mfName), " %u files", nbFiles);
|
|
{ const char* const displayName = (nbFiles > 1) ? mfName : fileNamesTable[0];
|
|
res = BMK_benchCLevel(srcBuffer, benchedSize,
|
|
fileSizes, nbFiles,
|
|
cLevel, compressionParams,
|
|
dictBuffer, dictBufferSize,
|
|
displayLevel, displayName,
|
|
adv);
|
|
} }
|
|
|
|
_cleanUp:
|
|
free(srcBuffer);
|
|
free(dictBuffer);
|
|
free(fileSizes);
|
|
return res;
|
|
}
|
|
|
|
|
|
BMK_benchOutcome_t BMK_benchFiles(
|
|
const char* const * fileNamesTable, unsigned nbFiles,
|
|
const char* dictFileName,
|
|
int cLevel, const ZSTD_compressionParameters* compressionParams,
|
|
int displayLevel)
|
|
{
|
|
BMK_advancedParams_t const adv = BMK_initAdvancedParams();
|
|
return BMK_benchFilesAdvanced(fileNamesTable, nbFiles, dictFileName, cLevel, compressionParams, displayLevel, &adv);
|
|
}
|