mirror of
https://github.com/facebook/zstd.git
synced 2025-11-03 00:08:51 -05:00
4086b2871b
splitting is disabled by default, but can be re-enabled using usual command -B# update commands to look like zstd ones
1090 lines
42 KiB
C
1090 lines
42 KiB
C
/*
|
|
* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under both the BSD-style license (found in the
|
|
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
|
|
* in the COPYING file in the root directory of this source tree).
|
|
* You may select, at your option, one of the above-listed licenses.
|
|
*/
|
|
|
|
|
|
|
|
/* **************************************
|
|
* Tuning parameters
|
|
****************************************/
|
|
#ifndef BMK_TIMETEST_DEFAULT_S /* default minimum time per test */
|
|
#define BMK_TIMETEST_DEFAULT_S 3
|
|
#endif
|
|
|
|
|
|
/* **************************************
|
|
* Compiler Warnings
|
|
****************************************/
|
|
#ifdef _MSC_VER
|
|
# pragma warning(disable : 4127) /* disable: C4127: conditional expression is constant */
|
|
#endif
|
|
|
|
|
|
/* *************************************
|
|
* Includes
|
|
***************************************/
|
|
#include "platform.h" /* Large Files support */
|
|
#include "util.h" /* UTIL_getFileSize, UTIL_sleep */
|
|
#include <stdlib.h> /* malloc, free */
|
|
#include <string.h> /* memset */
|
|
#include <stdio.h> /* fprintf, fopen */
|
|
#include <assert.h> /* assert */
|
|
|
|
#include "mem.h"
|
|
#define ZSTD_STATIC_LINKING_ONLY
|
|
#include "zstd.h"
|
|
#include "datagen.h" /* RDG_genBuffer */
|
|
#include "xxhash.h"
|
|
#include "bench.h"
|
|
#include "zstd_errors.h"
|
|
|
|
|
|
/* *************************************
|
|
* Constants
|
|
***************************************/
|
|
#ifndef ZSTD_GIT_COMMIT
|
|
# define ZSTD_GIT_COMMIT_STRING ""
|
|
#else
|
|
# define ZSTD_GIT_COMMIT_STRING ZSTD_EXPAND_AND_QUOTE(ZSTD_GIT_COMMIT)
|
|
#endif
|
|
|
|
#define TIMELOOP_MICROSEC (1*1000000ULL) /* 1 second */
|
|
#define TIMELOOP_NANOSEC (1*1000000000ULL) /* 1 second */
|
|
#define ACTIVEPERIOD_MICROSEC (70*TIMELOOP_MICROSEC) /* 70 seconds */
|
|
#define COOLPERIOD_SEC 10
|
|
|
|
#define KB *(1 <<10)
|
|
#define MB *(1 <<20)
|
|
#define GB *(1U<<30)
|
|
|
|
#define BMK_RUNTEST_DEFAULT_MS 1000
|
|
|
|
static const size_t maxMemory = (sizeof(size_t)==4) ?
|
|
/* 32-bit */ (2 GB - 64 MB) :
|
|
/* 64-bit */ (size_t)(1ULL << ((sizeof(size_t)*8)-31));
|
|
|
|
|
|
/* *************************************
|
|
* console display
|
|
***************************************/
|
|
#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
|
|
#define DISPLAYLEVEL(l, ...) if (displayLevel>=l) { DISPLAY(__VA_ARGS__); }
|
|
/* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : + progression; 4 : + information */
|
|
|
|
static const U64 g_refreshRate = SEC_TO_MICRO / 6;
|
|
static UTIL_time_t g_displayClock = UTIL_TIME_INITIALIZER;
|
|
|
|
#define DISPLAYUPDATE(l, ...) { if (displayLevel>=l) { \
|
|
if ((UTIL_clockSpanMicro(g_displayClock) > g_refreshRate) || (displayLevel>=4)) \
|
|
{ g_displayClock = UTIL_getTime(); DISPLAY(__VA_ARGS__); \
|
|
if (displayLevel>=4) fflush(stderr); } } }
|
|
|
|
|
|
/* *************************************
|
|
* Exceptions
|
|
***************************************/
|
|
#ifndef DEBUG
|
|
# define DEBUG 0
|
|
#endif
|
|
#define DEBUGOUTPUT(...) { if (DEBUG) DISPLAY(__VA_ARGS__); }
|
|
|
|
#define EXM_THROW_INT(errorNum, ...) { \
|
|
DEBUGOUTPUT("%s: %i: \n", __FILE__, __LINE__); \
|
|
DISPLAYLEVEL(1, "Error %i : ", errorNum); \
|
|
DISPLAYLEVEL(1, __VA_ARGS__); \
|
|
DISPLAYLEVEL(1, " \n"); \
|
|
return errorNum; \
|
|
}
|
|
|
|
#define RETURN_ERROR(errorNum, retType, ...) { \
|
|
retType r; \
|
|
memset(&r, 0, sizeof(retType)); \
|
|
DEBUGOUTPUT("%s: %i: \n", __FILE__, __LINE__); \
|
|
DISPLAYLEVEL(1, "Error %i : ", errorNum); \
|
|
DISPLAYLEVEL(1, __VA_ARGS__); \
|
|
DISPLAYLEVEL(1, " \n"); \
|
|
r.tag = errorNum; \
|
|
return r; \
|
|
}
|
|
|
|
/* error without displaying */
|
|
#define RETURN_QUIET_ERROR(errorNum, retType, ...) { \
|
|
retType r; \
|
|
memset(&r, 0, sizeof(retType)); \
|
|
DEBUGOUTPUT("%s: %i: \n", __FILE__, __LINE__); \
|
|
DEBUGOUTPUT("Error %i : ", errorNum); \
|
|
DEBUGOUTPUT(__VA_ARGS__); \
|
|
DEBUGOUTPUT(" \n"); \
|
|
r.tag = errorNum; \
|
|
return r; \
|
|
}
|
|
|
|
/* *************************************
|
|
* Benchmark Parameters
|
|
***************************************/
|
|
|
|
BMK_advancedParams_t BMK_initAdvancedParams(void) {
|
|
BMK_advancedParams_t const res = {
|
|
BMK_both, /* mode */
|
|
BMK_TIMETEST_DEFAULT_S, /* nbSeconds */
|
|
0, /* blockSize */
|
|
0, /* nbWorkers */
|
|
0, /* realTime */
|
|
0, /* additionalParam */
|
|
0, /* ldmFlag */
|
|
0, /* ldmMinMatch */
|
|
0, /* ldmHashLog */
|
|
0, /* ldmBuckSizeLog */
|
|
0 /* ldmHashEveryLog */
|
|
};
|
|
return res;
|
|
}
|
|
|
|
|
|
/* ********************************************************
|
|
* Bench functions
|
|
**********************************************************/
|
|
typedef struct {
|
|
const void* srcPtr;
|
|
size_t srcSize;
|
|
void* cPtr;
|
|
size_t cRoom;
|
|
size_t cSize;
|
|
void* resPtr;
|
|
size_t resSize;
|
|
} blockParam_t;
|
|
|
|
#undef MIN
|
|
#undef MAX
|
|
#define MIN(a,b) ((a) < (b) ? (a) : (b))
|
|
#define MAX(a,b) ((a) > (b) ? (a) : (b))
|
|
|
|
static void BMK_initCCtx(ZSTD_CCtx* ctx,
|
|
const void* dictBuffer, size_t dictBufferSize, int cLevel,
|
|
const ZSTD_compressionParameters* comprParams, const BMK_advancedParams_t* adv) {
|
|
ZSTD_CCtx_reset(ctx);
|
|
ZSTD_CCtx_resetParameters(ctx);
|
|
if (adv->nbWorkers==1) {
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_nbWorkers, 0);
|
|
} else {
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_nbWorkers, adv->nbWorkers);
|
|
}
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_compressionLevel, cLevel);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_enableLongDistanceMatching, adv->ldmFlag);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_ldmMinMatch, adv->ldmMinMatch);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_ldmHashLog, adv->ldmHashLog);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_ldmBucketSizeLog, adv->ldmBucketSizeLog);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_ldmHashEveryLog, adv->ldmHashEveryLog);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_windowLog, comprParams->windowLog);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_hashLog, comprParams->hashLog);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_chainLog, comprParams->chainLog);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_searchLog, comprParams->searchLog);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_minMatch, comprParams->searchLength);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_targetLength, comprParams->targetLength);
|
|
ZSTD_CCtx_setParameter(ctx, ZSTD_p_compressionStrategy, comprParams->strategy);
|
|
ZSTD_CCtx_loadDictionary(ctx, dictBuffer, dictBufferSize);
|
|
}
|
|
|
|
static void BMK_initDCtx(ZSTD_DCtx* dctx,
|
|
const void* dictBuffer, size_t dictBufferSize) {
|
|
ZSTD_DCtx_reset(dctx);
|
|
ZSTD_DCtx_loadDictionary(dctx, dictBuffer, dictBufferSize);
|
|
}
|
|
|
|
|
|
typedef struct {
|
|
ZSTD_CCtx* cctx;
|
|
const void* dictBuffer;
|
|
size_t dictBufferSize;
|
|
int cLevel;
|
|
const ZSTD_compressionParameters* comprParams;
|
|
const BMK_advancedParams_t* adv;
|
|
} BMK_initCCtxArgs;
|
|
|
|
static size_t local_initCCtx(void* payload) {
|
|
BMK_initCCtxArgs* ag = (BMK_initCCtxArgs*)payload;
|
|
BMK_initCCtx(ag->cctx, ag->dictBuffer, ag->dictBufferSize, ag->cLevel, ag->comprParams, ag->adv);
|
|
return 0;
|
|
}
|
|
|
|
typedef struct {
|
|
ZSTD_DCtx* dctx;
|
|
const void* dictBuffer;
|
|
size_t dictBufferSize;
|
|
} BMK_initDCtxArgs;
|
|
|
|
static size_t local_initDCtx(void* payload) {
|
|
BMK_initDCtxArgs* ag = (BMK_initDCtxArgs*)payload;
|
|
BMK_initDCtx(ag->dctx, ag->dictBuffer, ag->dictBufferSize);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* `addArgs` is the context */
|
|
static size_t local_defaultCompress(
|
|
const void* srcBuffer, size_t srcSize,
|
|
void* dstBuffer, size_t dstSize,
|
|
void* addArgs)
|
|
{
|
|
size_t moreToFlush = 1;
|
|
ZSTD_CCtx* const cctx = (ZSTD_CCtx*)addArgs;
|
|
ZSTD_inBuffer in;
|
|
ZSTD_outBuffer out;
|
|
in.src = srcBuffer; in.size = srcSize; in.pos = 0;
|
|
out.dst = dstBuffer; out.size = dstSize; out.pos = 0;
|
|
while (moreToFlush) {
|
|
if(out.pos == out.size) {
|
|
return (size_t)-ZSTD_error_dstSize_tooSmall;
|
|
}
|
|
moreToFlush = ZSTD_compress_generic(cctx, &out, &in, ZSTD_e_end);
|
|
if (ZSTD_isError(moreToFlush)) {
|
|
return moreToFlush;
|
|
}
|
|
}
|
|
return out.pos;
|
|
}
|
|
|
|
/* `addArgs` is the context */
|
|
static size_t local_defaultDecompress(
|
|
const void* srcBuffer, size_t srcSize,
|
|
void* dstBuffer, size_t dstCapacity,
|
|
void* addArgs)
|
|
{
|
|
size_t moreToFlush = 1;
|
|
ZSTD_DCtx* const dctx = (ZSTD_DCtx*)addArgs;
|
|
ZSTD_inBuffer in;
|
|
ZSTD_outBuffer out;
|
|
in.src = srcBuffer; in.size = srcSize; in.pos = 0;
|
|
out.dst = dstBuffer; out.size = dstCapacity; out.pos = 0;
|
|
while (moreToFlush) {
|
|
if(out.pos == out.size) {
|
|
return (size_t)-ZSTD_error_dstSize_tooSmall;
|
|
}
|
|
moreToFlush = ZSTD_decompress_generic(dctx, &out, &in);
|
|
if (ZSTD_isError(moreToFlush)) {
|
|
return moreToFlush;
|
|
}
|
|
}
|
|
return out.pos;
|
|
|
|
}
|
|
|
|
|
|
/*=== Benchmarking an arbitrary function ===*/
|
|
|
|
int BMK_isSuccessful_runOutcome(BMK_runOutcome_t outcome)
|
|
{
|
|
return outcome.tag == 0;
|
|
}
|
|
|
|
/* warning : this function will stop program execution if outcome is invalid !
|
|
* check outcome validity first, using BMK_isValid_runResult() */
|
|
BMK_runTime_t BMK_extract_runTime(BMK_runOutcome_t outcome)
|
|
{
|
|
assert(outcome.tag == 0);
|
|
return outcome.internal_never_use_directly;
|
|
}
|
|
|
|
static BMK_runOutcome_t BMK_runOutcome_error(void)
|
|
{
|
|
BMK_runOutcome_t b;
|
|
memset(&b, 0, sizeof(b));
|
|
b.tag = 1;
|
|
return b;
|
|
}
|
|
|
|
static BMK_runOutcome_t BMK_setValid_runTime(BMK_runTime_t runTime)
|
|
{
|
|
BMK_runOutcome_t outcome;
|
|
outcome.tag = 0;
|
|
outcome.internal_never_use_directly = runTime;
|
|
return outcome;
|
|
}
|
|
|
|
|
|
/* initFn will be measured once, benchFn will be measured `nbLoops` times */
|
|
/* initFn is optional, provide NULL if none */
|
|
/* benchFn must return size_t field compliant with ZSTD_isError for error valuee */
|
|
/* takes # of blocks and list of size & stuff for each. */
|
|
/* can report result of benchFn for each block into blockResult. */
|
|
/* blockResult is optional, provide NULL if this information is not required */
|
|
/* note : time per loop could be zero if run time < timer resolution */
|
|
BMK_runOutcome_t BMK_benchFunction(
|
|
BMK_benchFn_t benchFn, void* benchPayload,
|
|
BMK_initFn_t initFn, void* initPayload,
|
|
size_t blockCount,
|
|
const void* const * srcBlockBuffers, const size_t* srcBlockSizes,
|
|
void* const * dstBlockBuffers, const size_t* dstBlockCapacities,
|
|
size_t* blockResults,
|
|
unsigned nbLoops)
|
|
{
|
|
size_t dstSize = 0;
|
|
|
|
if(!nbLoops) {
|
|
RETURN_QUIET_ERROR(2, BMK_runOutcome_t, "nbLoops must be nonzero ");
|
|
}
|
|
|
|
/* init */
|
|
{ size_t i;
|
|
for(i = 0; i < blockCount; i++) {
|
|
memset(dstBlockBuffers[i], 0xE5, dstBlockCapacities[i]); /* warm up and erase result buffer */
|
|
}
|
|
#if 0
|
|
/* based on testing these seem to lower accuracy of multiple calls of 1 nbLoops vs 1 call of multiple nbLoops
|
|
* (Makes former slower)
|
|
*/
|
|
UTIL_sleepMilli(5); /* give processor time to other processes */
|
|
UTIL_waitForNextTick();
|
|
#endif
|
|
}
|
|
|
|
/* benchmark */
|
|
{ UTIL_time_t const clockStart = UTIL_getTime();
|
|
unsigned loopNb, blockNb;
|
|
if (initFn != NULL) initFn(initPayload);
|
|
for (loopNb = 0; loopNb < nbLoops; loopNb++) {
|
|
for (blockNb = 0; blockNb < blockCount; blockNb++) {
|
|
size_t const res = benchFn(srcBlockBuffers[blockNb], srcBlockSizes[blockNb],
|
|
dstBlockBuffers[blockNb], dstBlockCapacities[blockNb],
|
|
benchPayload);
|
|
if(ZSTD_isError(res)) {
|
|
RETURN_QUIET_ERROR(2, BMK_runOutcome_t,
|
|
"Function benchmark failed on block %u of size %u : %s",
|
|
blockNb, (U32)dstBlockCapacities[blockNb], ZSTD_getErrorName(res));
|
|
} else if (loopNb == 0) {
|
|
dstSize += res;
|
|
if (blockResults != NULL) blockResults[blockNb] = res;
|
|
} }
|
|
} /* for (loopNb = 0; loopNb < nbLoops; loopNb++) */
|
|
|
|
{ U64 const totalTime = UTIL_clockSpanNano(clockStart);
|
|
BMK_runTime_t rt;
|
|
rt.nanoSecPerRun = totalTime / nbLoops;
|
|
rt.sumOfReturn = dstSize;
|
|
return BMK_setValid_runTime(rt);
|
|
} }
|
|
}
|
|
|
|
|
|
/* ==== Benchmarking any function, providing intermediate results ==== */
|
|
|
|
struct BMK_timedFnState_s {
|
|
U64 timeSpent_ns;
|
|
U64 timeBudget_ns;
|
|
U64 runBudget_ns;
|
|
BMK_runTime_t fastestRun;
|
|
unsigned nbLoops;
|
|
UTIL_time_t coolTime;
|
|
}; /* typedef'd to BMK_timedFnState_t within bench.h */
|
|
|
|
BMK_timedFnState_t* BMK_createTimedFnState(unsigned total_ms, unsigned run_ms)
|
|
{
|
|
BMK_timedFnState_t* const r = (BMK_timedFnState_t*)malloc(sizeof(*r));
|
|
if (r == NULL) return NULL; /* malloc() error */
|
|
BMK_resetTimedFnState(r, total_ms, run_ms);
|
|
return r;
|
|
}
|
|
|
|
void BMK_freeTimedFnState(BMK_timedFnState_t* state) {
|
|
free(state);
|
|
}
|
|
|
|
void BMK_resetTimedFnState(BMK_timedFnState_t* timedFnState, unsigned total_ms, unsigned run_ms)
|
|
{
|
|
if (!total_ms) total_ms = 1 ;
|
|
if (!run_ms) run_ms = 1;
|
|
if (run_ms > total_ms) run_ms = total_ms;
|
|
timedFnState->timeSpent_ns = 0;
|
|
timedFnState->timeBudget_ns = (U64)total_ms * TIMELOOP_NANOSEC / 1000;
|
|
timedFnState->runBudget_ns = (U64)run_ms * TIMELOOP_NANOSEC / 1000;
|
|
timedFnState->fastestRun.nanoSecPerRun = (U64)(-1LL);
|
|
timedFnState->fastestRun.sumOfReturn = (size_t)(-1LL);
|
|
timedFnState->nbLoops = 1;
|
|
timedFnState->coolTime = UTIL_getTime();
|
|
}
|
|
|
|
/* Tells if nb of seconds set in timedFnState for all runs is spent.
|
|
* note : this function will return 1 if BMK_benchFunctionTimed() has actually errored. */
|
|
int BMK_isCompleted_TimedFn(const BMK_timedFnState_t* timedFnState)
|
|
{
|
|
return (timedFnState->timeSpent_ns >= timedFnState->timeBudget_ns);
|
|
}
|
|
|
|
|
|
#define MINUSABLETIME (TIMELOOP_NANOSEC / 2) /* 0.5 seconds */
|
|
|
|
BMK_runOutcome_t BMK_benchTimedFn(
|
|
BMK_timedFnState_t* cont,
|
|
BMK_benchFn_t benchFn, void* benchPayload,
|
|
BMK_initFn_t initFn, void* initPayload,
|
|
size_t blockCount,
|
|
const void* const* srcBlockBuffers, const size_t* srcBlockSizes,
|
|
void * const * dstBlockBuffers, const size_t * dstBlockCapacities,
|
|
size_t* blockResults)
|
|
{
|
|
U64 const runBudget_ns = cont->runBudget_ns;
|
|
U64 const runTimeMin_ns = runBudget_ns / 2;
|
|
int completed = 0;
|
|
BMK_runTime_t bestRunTime = cont->fastestRun;
|
|
|
|
while (!completed) {
|
|
BMK_runOutcome_t runResult;
|
|
|
|
/* Overheat protection */
|
|
if (UTIL_clockSpanMicro(cont->coolTime) > ACTIVEPERIOD_MICROSEC) {
|
|
DEBUGOUTPUT("\rcooling down ... \r");
|
|
UTIL_sleep(COOLPERIOD_SEC);
|
|
cont->coolTime = UTIL_getTime();
|
|
}
|
|
|
|
/* reinitialize capacity */
|
|
runResult = BMK_benchFunction(benchFn, benchPayload,
|
|
initFn, initPayload,
|
|
blockCount,
|
|
srcBlockBuffers, srcBlockSizes,
|
|
dstBlockBuffers, dstBlockCapacities,
|
|
blockResults,
|
|
cont->nbLoops);
|
|
|
|
if(!BMK_isSuccessful_runOutcome(runResult)) { /* error : move out */
|
|
return BMK_runOutcome_error();
|
|
}
|
|
|
|
{ BMK_runTime_t const newRunTime = BMK_extract_runTime(runResult);
|
|
U64 const loopDuration_ns = newRunTime.nanoSecPerRun * cont->nbLoops;
|
|
|
|
cont->timeSpent_ns += loopDuration_ns;
|
|
|
|
/* estimate nbLoops for next run to last approximately 1 second */
|
|
if (loopDuration_ns > (runBudget_ns / 50)) {
|
|
U64 const fastestRun_ns = MIN(bestRunTime.nanoSecPerRun, newRunTime.nanoSecPerRun);
|
|
cont->nbLoops = (U32)(runBudget_ns / fastestRun_ns) + 1;
|
|
} else {
|
|
/* previous run was too short : blindly increase workload by x multiplier */
|
|
const unsigned multiplier = 10;
|
|
assert(cont->nbLoops < ((unsigned)-1) / multiplier); /* avoid overflow */
|
|
cont->nbLoops *= multiplier;
|
|
}
|
|
|
|
if(loopDuration_ns < runTimeMin_ns) {
|
|
/* don't report results for which benchmark run time was too small : increased risks of rounding errors */
|
|
assert(completed == 0);
|
|
continue;
|
|
} else {
|
|
if(newRunTime.nanoSecPerRun < bestRunTime.nanoSecPerRun) {
|
|
bestRunTime = newRunTime;
|
|
}
|
|
completed = 1;
|
|
}
|
|
}
|
|
} /* while (!completed) */
|
|
|
|
return BMK_setValid_runTime(bestRunTime);
|
|
}
|
|
|
|
|
|
/* ================================================================= */
|
|
/* Benchmark Zstandard, mem-to-mem scenarios */
|
|
/* ================================================================= */
|
|
|
|
int BMK_isSuccessful_benchOutcome(BMK_benchOutcome_t outcome)
|
|
{
|
|
return outcome.tag == 0;
|
|
}
|
|
|
|
BMK_benchResult_t BMK_extract_benchResult(BMK_benchOutcome_t outcome)
|
|
{
|
|
assert(outcome.tag == 0);
|
|
return outcome.internal_never_use_directly;
|
|
}
|
|
|
|
static BMK_benchOutcome_t BMK_benchOutcome_error(void)
|
|
{
|
|
BMK_benchOutcome_t b;
|
|
memset(&b, 0, sizeof(b));
|
|
b.tag = 1;
|
|
return b;
|
|
}
|
|
|
|
static BMK_benchOutcome_t BMK_benchOutcome_setValidResult(BMK_benchResult_t result)
|
|
{
|
|
BMK_benchOutcome_t b;
|
|
b.tag = 0;
|
|
b.internal_never_use_directly = result;
|
|
return b;
|
|
}
|
|
|
|
|
|
/* benchMem with no allocation */
|
|
static BMK_benchOutcome_t BMK_benchMemAdvancedNoAlloc(
|
|
const void** srcPtrs, size_t* srcSizes,
|
|
void** cPtrs, size_t* cCapacities, size_t* cSizes,
|
|
void** resPtrs, size_t* resSizes,
|
|
void** resultBufferPtr, void* compressedBuffer,
|
|
size_t maxCompressedSize,
|
|
BMK_timedFnState_t* timeStateCompress,
|
|
BMK_timedFnState_t* timeStateDecompress,
|
|
|
|
const void* srcBuffer, size_t srcSize,
|
|
const size_t* fileSizes, unsigned nbFiles,
|
|
const int cLevel, const ZSTD_compressionParameters* comprParams,
|
|
const void* dictBuffer, size_t dictBufferSize,
|
|
ZSTD_CCtx* cctx, ZSTD_DCtx* dctx,
|
|
int displayLevel, const char* displayName,
|
|
const BMK_advancedParams_t* adv)
|
|
{
|
|
size_t const blockSize = ((adv->blockSize>=32 && (adv->mode != BMK_decodeOnly)) ? adv->blockSize : srcSize) + (!srcSize); /* avoid div by 0 */
|
|
BMK_benchResult_t benchResult;
|
|
size_t const loadedCompressedSize = srcSize;
|
|
size_t cSize = 0;
|
|
double ratio = 0.;
|
|
U32 nbBlocks;
|
|
|
|
assert(cctx != NULL); assert(dctx != NULL);
|
|
|
|
/* init */
|
|
memset(&benchResult, 0, sizeof(benchResult));
|
|
if (strlen(displayName)>17) displayName += strlen(displayName) - 17; /* display last 17 characters */
|
|
if (adv->mode == BMK_decodeOnly) { /* benchmark only decompression : source must be already compressed */
|
|
const char* srcPtr = (const char*)srcBuffer;
|
|
U64 totalDSize64 = 0;
|
|
U32 fileNb;
|
|
for (fileNb=0; fileNb<nbFiles; fileNb++) {
|
|
U64 const fSize64 = ZSTD_findDecompressedSize(srcPtr, fileSizes[fileNb]);
|
|
if (fSize64==0) RETURN_ERROR(32, BMK_benchOutcome_t, "Impossible to determine original size ");
|
|
totalDSize64 += fSize64;
|
|
srcPtr += fileSizes[fileNb];
|
|
}
|
|
{ size_t const decodedSize = (size_t)totalDSize64;
|
|
assert((U64)decodedSize == totalDSize64); /* check overflow */
|
|
free(*resultBufferPtr);
|
|
*resultBufferPtr = malloc(decodedSize);
|
|
if (!(*resultBufferPtr)) {
|
|
RETURN_ERROR(33, BMK_benchOutcome_t, "not enough memory");
|
|
}
|
|
if (totalDSize64 > decodedSize) { /* size_t overflow */
|
|
free(*resultBufferPtr);
|
|
RETURN_ERROR(32, BMK_benchOutcome_t, "original size is too large");
|
|
}
|
|
cSize = srcSize;
|
|
srcSize = decodedSize;
|
|
ratio = (double)srcSize / (double)cSize;
|
|
}
|
|
}
|
|
|
|
/* Init data blocks */
|
|
{ const char* srcPtr = (const char*)srcBuffer;
|
|
char* cPtr = (char*)compressedBuffer;
|
|
char* resPtr = (char*)(*resultBufferPtr);
|
|
U32 fileNb;
|
|
for (nbBlocks=0, fileNb=0; fileNb<nbFiles; fileNb++) {
|
|
size_t remaining = fileSizes[fileNb];
|
|
U32 const nbBlocksforThisFile = (adv->mode == BMK_decodeOnly) ? 1 : (U32)((remaining + (blockSize-1)) / blockSize);
|
|
U32 const blockEnd = nbBlocks + nbBlocksforThisFile;
|
|
for ( ; nbBlocks<blockEnd; nbBlocks++) {
|
|
size_t const thisBlockSize = MIN(remaining, blockSize);
|
|
srcPtrs[nbBlocks] = srcPtr;
|
|
srcSizes[nbBlocks] = thisBlockSize;
|
|
cPtrs[nbBlocks] = cPtr;
|
|
cCapacities[nbBlocks] = (adv->mode == BMK_decodeOnly) ? thisBlockSize : ZSTD_compressBound(thisBlockSize);
|
|
resPtrs[nbBlocks] = resPtr;
|
|
resSizes[nbBlocks] = (adv->mode == BMK_decodeOnly) ? (size_t) ZSTD_findDecompressedSize(srcPtr, thisBlockSize) : thisBlockSize;
|
|
srcPtr += thisBlockSize;
|
|
cPtr += cCapacities[nbBlocks];
|
|
resPtr += thisBlockSize;
|
|
remaining -= thisBlockSize;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* warmimg up `compressedBuffer` */
|
|
if (adv->mode == BMK_decodeOnly) {
|
|
memcpy(compressedBuffer, srcBuffer, loadedCompressedSize);
|
|
} else {
|
|
RDG_genBuffer(compressedBuffer, maxCompressedSize, 0.10, 0.50, 1);
|
|
}
|
|
|
|
/* Bench */
|
|
{ U64 const crcOrig = (adv->mode == BMK_decodeOnly) ? 0 : XXH64(srcBuffer, srcSize, 0);
|
|
# define NB_MARKS 4
|
|
const char* marks[NB_MARKS] = { " |", " /", " =", " \\" };
|
|
U32 markNb = 0;
|
|
int compressionCompleted = (adv->mode == BMK_decodeOnly);
|
|
int decompressionCompleted = (adv->mode == BMK_compressOnly);
|
|
BMK_initCCtxArgs cctxprep;
|
|
BMK_initDCtxArgs dctxprep;
|
|
cctxprep.cctx = cctx;
|
|
cctxprep.dictBuffer = dictBuffer;
|
|
cctxprep.dictBufferSize = dictBufferSize;
|
|
cctxprep.cLevel = cLevel;
|
|
cctxprep.comprParams = comprParams;
|
|
cctxprep.adv = adv;
|
|
dctxprep.dctx = dctx;
|
|
dctxprep.dictBuffer = dictBuffer;
|
|
dctxprep.dictBufferSize = dictBufferSize;
|
|
|
|
DISPLAYLEVEL(2, "\r%70s\r", ""); /* blank line */
|
|
DISPLAYLEVEL(2, "%2s-%-17.17s :%10u ->\r", marks[markNb], displayName, (U32)srcSize);
|
|
|
|
while (!(compressionCompleted && decompressionCompleted)) {
|
|
|
|
if (!compressionCompleted) {
|
|
BMK_runOutcome_t const cOutcome =
|
|
BMK_benchTimedFn( timeStateCompress,
|
|
&local_defaultCompress, cctx,
|
|
&local_initCCtx, &cctxprep,
|
|
nbBlocks,
|
|
srcPtrs, srcSizes,
|
|
cPtrs, cCapacities,
|
|
cSizes);
|
|
|
|
if (!BMK_isSuccessful_runOutcome(cOutcome)) {
|
|
return BMK_benchOutcome_error();
|
|
}
|
|
|
|
{ BMK_runTime_t const cResult = BMK_extract_runTime(cOutcome);
|
|
cSize = cResult.sumOfReturn;
|
|
ratio = (double)srcSize / cSize;
|
|
{ BMK_benchResult_t newResult;
|
|
newResult.cSpeed = ((U64)srcSize * TIMELOOP_NANOSEC / cResult.nanoSecPerRun);
|
|
benchResult.cSize = cSize;
|
|
if (newResult.cSpeed > benchResult.cSpeed)
|
|
benchResult.cSpeed = newResult.cSpeed;
|
|
} }
|
|
|
|
{ int const ratioAccuracy = (ratio < 10.) ? 3 : 2;
|
|
markNb = (markNb+1) % NB_MARKS;
|
|
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,
|
|
&local_defaultDecompress, dctx,
|
|
&local_initDCtx, &dctxprep,
|
|
nbBlocks,
|
|
(const void *const *)cPtrs, cSizes,
|
|
resPtrs, resSizes,
|
|
NULL);
|
|
|
|
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;
|
|
markNb = (markNb+1) % NB_MARKS;
|
|
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);
|
|
}
|
|
} /* 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 > 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);
|
|
}
|