1265 lines
42 KiB
C
1265 lines
42 KiB
C
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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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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/* this must be included first */
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#include "platform.h" /* Large Files support, compiler specifics */
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/* then following system includes */
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#include <assert.h> /* assert */
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#include <errno.h>
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#include <stdio.h> /* fprintf, fopen */
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#include <stdlib.h> /* malloc, free */
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#include <string.h> /* memset, strerror */
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#include "util.h" /* UTIL_getFileSize, UTIL_sleep */
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#include "../lib/common/mem.h"
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#include "benchfn.h"
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#include "timefn.h" /* UTIL_time_t */
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#ifndef ZSTD_STATIC_LINKING_ONLY
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# define ZSTD_STATIC_LINKING_ONLY
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#endif
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#include "../lib/zstd.h"
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#include "datagen.h" /* RDG_genBuffer */
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#include "lorem.h" /* LOREM_genBuffer */
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#ifndef XXH_INLINE_ALL
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# define XXH_INLINE_ALL
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#endif
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#include "../lib/common/xxhash.h"
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#include "../lib/zstd_errors.h"
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#include "benchzstd.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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?
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/* 32-bit */ (2 GB - 64 MB)
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:
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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(...) \
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{ \
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fprintf(stderr, __VA_ARGS__); \
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fflush(NULL); \
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}
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#define DISPLAYLEVEL(l, ...) \
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if (displayLevel >= l) { \
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DISPLAY(__VA_ARGS__); \
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}
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/* 0 : no display; 1: errors; 2 : + result + interaction + warnings; 3 : +
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* progression; 4 : + information */
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#define OUTPUT(...) \
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{ \
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fprintf(stdout, __VA_ARGS__); \
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fflush(NULL); \
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}
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#define OUTPUTLEVEL(l, ...) \
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if (displayLevel >= l) { \
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OUTPUT(__VA_ARGS__); \
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}
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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(...) \
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{ \
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if (DEBUG) \
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DISPLAY(__VA_ARGS__); \
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}
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#define RETURN_ERROR_INT(errorNum, ...) \
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{ \
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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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{ \
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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", #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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{ \
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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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/* replacement for snprintf(), which is not supported by C89
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* sprintf() would be the supported one, but it's labelled unsafe,
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* so some modern static analyzer will flag it as such, making it unusable.
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* formatString_u() replaces snprintf() for the specific case where there are only %u arguments */
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static int formatString_u(char* buffer, size_t buffer_size, const char* formatString, unsigned int value)
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{
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size_t written = 0;
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int i;
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assert(value <= 100);
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for (i = 0; formatString[i] != '\0' && written < buffer_size - 1; ++i) {
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if (formatString[i] != '%') {
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buffer[written++] = formatString[i];
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continue;
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}
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if (formatString[++i] == 'u') {
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/* Handle single digit */
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if (value < 10) {
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buffer[written++] = '0' + (char)value;
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} else if (value < 100) {
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/* Handle two digits */
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if (written >= buffer_size - 2) {
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return -1; /* buffer overflow */
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}
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buffer[written++] = '0' + (char)(value / 10);
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buffer[written++] = '0' + (char)(value % 10);
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} else { /* 100 */
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if (written >= buffer_size - 3) {
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return -1; /* buffer overflow */
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}
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buffer[written++] = '1';
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buffer[written++] = '0';
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buffer[written++] = '0';
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}
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} else if (formatString[i] == '%') { /* Check for escaped percent sign */
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buffer[written++] = '%';
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} else {
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return -1; /* unsupported format */
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}
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}
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if (written < buffer_size) {
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buffer[written] = '\0';
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} else {
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buffer[0] = '\0'; /* Handle truncation */
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}
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return (int)written;
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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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{
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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, /* targetCBlockSize */
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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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ZSTD_ps_auto, /* literalCompressionMode */
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0 /* useRowMatchFinder */
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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(
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ZSTD_CCtx* ctx,
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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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{
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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(
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ctx, ZSTD_c_useRowMatchFinder, adv->useRowMatchFinder));
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CHECK_Z(ZSTD_CCtx_setParameter(
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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(
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ctx, ZSTD_c_ldmBucketSizeLog, adv->ldmBucketSizeLog));
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CHECK_Z(ZSTD_CCtx_setParameter(
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ctx, ZSTD_c_ldmHashRateLog, adv->ldmHashRateLog));
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CHECK_Z(ZSTD_CCtx_setParameter(
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ctx, ZSTD_c_windowLog, (int)comprParams->windowLog));
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CHECK_Z(ZSTD_CCtx_setParameter(
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ctx, ZSTD_c_hashLog, (int)comprParams->hashLog));
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CHECK_Z(ZSTD_CCtx_setParameter(
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ctx, ZSTD_c_chainLog, (int)comprParams->chainLog));
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CHECK_Z(ZSTD_CCtx_setParameter(
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ctx, ZSTD_c_searchLog, (int)comprParams->searchLog));
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CHECK_Z(ZSTD_CCtx_setParameter(
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ctx, ZSTD_c_minMatch, (int)comprParams->minMatch));
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CHECK_Z(ZSTD_CCtx_setParameter(
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ctx, ZSTD_c_targetLength, (int)comprParams->targetLength));
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CHECK_Z(ZSTD_CCtx_setParameter(
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ctx,
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ZSTD_c_literalCompressionMode,
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(int)adv->literalCompressionMode));
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CHECK_Z(ZSTD_CCtx_setParameter(
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ctx, ZSTD_c_strategy, (int)comprParams->strategy));
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CHECK_Z(ZSTD_CCtx_setParameter(
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ctx, ZSTD_c_targetCBlockSize, (int)adv->targetCBlockSize));
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CHECK_Z(ZSTD_CCtx_loadDictionary(ctx, dictBuffer, dictBufferSize));
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}
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static void
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BMK_initDCtx(ZSTD_DCtx* dctx, const void* dictBuffer, size_t dictBufferSize)
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{
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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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{
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BMK_initCCtxArgs* ag = (BMK_initCCtxArgs*)payload;
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BMK_initCCtx(
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ag->cctx,
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ag->dictBuffer,
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ag->dictBufferSize,
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ag->cLevel,
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ag->comprParams,
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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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{
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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,
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size_t srcSize,
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void* dstBuffer,
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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,
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size_t srcSize,
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void* dstBuffer,
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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;
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in.size = srcSize;
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in.pos = 0;
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out.dst = dstBuffer;
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out.size = dstCapacity;
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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(
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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 BMK_benchMemAdvancedNoAlloc(
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const void** srcPtrs,
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size_t* srcSizes,
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void** cPtrs,
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size_t* cCapacities,
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size_t* cSizes,
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void** resPtrs,
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size_t* resSizes,
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void** resultBufferPtr,
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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,
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size_t srcSize,
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const size_t* fileSizes,
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unsigned nbFiles,
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const int cLevel,
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const ZSTD_compressionParameters* comprParams,
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const void* dictBuffer,
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size_t dictBufferSize,
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ZSTD_CCtx* cctx,
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ZSTD_DCtx* dctx,
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int displayLevel,
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const char* displayName,
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const BMK_advancedParams_t* adv)
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{
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size_t const blockSize =
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((adv->blockSize >= 32 && (adv->mode != BMK_decodeOnly))
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? adv->blockSize
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: srcSize)
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+ (!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);
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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)
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displayName +=
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strlen(displayName) - 17; /* display last 17 characters */
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if (adv->mode == BMK_decodeOnly) {
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/* 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 =
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ZSTD_findDecompressedSize(srcPtr, fileSizes[fileNb]);
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if (fSize64 == ZSTD_CONTENTSIZE_UNKNOWN) {
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RETURN_ERROR(
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32,
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BMK_benchOutcome_t,
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"Decompressed size cannot be determined: cannot benchmark");
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}
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if (fSize64 == ZSTD_CONTENTSIZE_ERROR) {
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RETURN_ERROR(
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32,
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BMK_benchOutcome_t,
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"Error while trying to assess decompressed size: data may be invalid");
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}
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totalDSize64 += fSize64;
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srcPtr += fileSizes[fileNb];
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}
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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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if (totalDSize64 > decodedSize) { /* size_t overflow */
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RETURN_ERROR(
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32,
|
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BMK_benchOutcome_t,
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"decompressed size is too large for local system");
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}
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*resultBufferPtr = malloc(decodedSize);
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if (!(*resultBufferPtr)) {
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RETURN_ERROR(
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33,
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BMK_benchOutcome_t,
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"allocation error: not enough memory");
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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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{
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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)
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? 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;
|
|
if (adv->mode == BMK_decodeOnly) {
|
|
cSizes[nbBlocks] = thisBlockSize;
|
|
benchResult.cSize = thisBlockSize;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* warming up `compressedBuffer` */
|
|
if (adv->mode == BMK_decodeOnly) {
|
|
memcpy(compressedBuffer, srcBuffer, loadedCompressedSize);
|
|
} else {
|
|
RDG_genBuffer(compressedBuffer, maxCompressedSize, 0.10, 0.50, 1);
|
|
}
|
|
|
|
if (!UTIL_support_MT_measurements() && adv->nbWorkers > 1) {
|
|
OUTPUTLEVEL(
|
|
2,
|
|
"Warning : time measurements may be incorrect in multithreading mode... \n")
|
|
}
|
|
|
|
/* 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_benchParams_t cbp, dbp;
|
|
BMK_initCCtxArgs cctxprep;
|
|
BMK_initDCtxArgs dctxprep;
|
|
|
|
cbp.benchFn = local_defaultCompress; /* ZSTD_compress2 */
|
|
cbp.benchPayload = cctx;
|
|
cbp.initFn = local_initCCtx; /* BMK_initCCtx */
|
|
cbp.initPayload = &cctxprep;
|
|
cbp.errorFn = ZSTD_isError;
|
|
cbp.blockCount = nbBlocks;
|
|
cbp.srcBuffers = srcPtrs;
|
|
cbp.srcSizes = srcSizes;
|
|
cbp.dstBuffers = cPtrs;
|
|
cbp.dstCapacities = cCapacities;
|
|
cbp.blockResults = cSizes;
|
|
|
|
cctxprep.cctx = cctx;
|
|
cctxprep.dictBuffer = dictBuffer;
|
|
cctxprep.dictBufferSize = dictBufferSize;
|
|
cctxprep.cLevel = cLevel;
|
|
cctxprep.comprParams = comprParams;
|
|
cctxprep.adv = adv;
|
|
|
|
dbp.benchFn = local_defaultDecompress;
|
|
dbp.benchPayload = dctx;
|
|
dbp.initFn = local_initDCtx;
|
|
dbp.initPayload = &dctxprep;
|
|
dbp.errorFn = ZSTD_isError;
|
|
dbp.blockCount = nbBlocks;
|
|
dbp.srcBuffers = (const void* const*)cPtrs;
|
|
dbp.srcSizes = cSizes;
|
|
dbp.dstBuffers = resPtrs;
|
|
dbp.dstCapacities = resSizes;
|
|
dbp.blockResults = NULL;
|
|
|
|
dctxprep.dctx = dctx;
|
|
dctxprep.dictBuffer = dictBuffer;
|
|
dctxprep.dictBufferSize = dictBufferSize;
|
|
|
|
OUTPUTLEVEL(2, "\r%70s\r", ""); /* blank line */
|
|
assert(srcSize < UINT_MAX);
|
|
OUTPUTLEVEL(
|
|
2,
|
|
"%2s-%-17.17s :%10u -> \r",
|
|
marks[markNb],
|
|
displayName,
|
|
(unsigned)srcSize);
|
|
|
|
while (!(compressionCompleted && decompressionCompleted)) {
|
|
if (!compressionCompleted) {
|
|
BMK_runOutcome_t const cOutcome =
|
|
BMK_benchTimedFn(timeStateCompress, cbp);
|
|
|
|
if (!BMK_isSuccessful_runOutcome(cOutcome)) {
|
|
RETURN_ERROR(30, BMK_benchOutcome_t, "compression error");
|
|
}
|
|
|
|
{
|
|
BMK_runTime_t const cResult = BMK_extract_runTime(cOutcome);
|
|
cSize = cResult.sumOfReturn;
|
|
ratio = (double)srcSize / (double)cSize;
|
|
{
|
|
BMK_benchResult_t newResult;
|
|
newResult.cSpeed =
|
|
(U64)((double)srcSize * TIMELOOP_NANOSEC
|
|
/ cResult.nanoSecPerRun);
|
|
benchResult.cSize = cSize;
|
|
if (newResult.cSpeed > benchResult.cSpeed)
|
|
benchResult.cSpeed = newResult.cSpeed;
|
|
}
|
|
}
|
|
|
|
{
|
|
int const ratioAccuracy = (ratio < 10.) ? 3 : 2;
|
|
assert(cSize < UINT_MAX);
|
|
OUTPUTLEVEL(
|
|
2,
|
|
"%2s-%-17.17s :%10u ->%10u (x%5.*f), %6.*f MB/s \r",
|
|
marks[markNb],
|
|
displayName,
|
|
(unsigned)srcSize,
|
|
(unsigned)cSize,
|
|
ratioAccuracy,
|
|
ratio,
|
|
benchResult.cSpeed < (10 * MB_UNIT) ? 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_ERROR(30, BMK_benchOutcome_t, "decompression error");
|
|
}
|
|
|
|
{
|
|
BMK_runTime_t const dResult = BMK_extract_runTime(dOutcome);
|
|
U64 const newDSpeed =
|
|
(U64)((double)srcSize * TIMELOOP_NANOSEC
|
|
/ dResult.nanoSecPerRun);
|
|
if (newDSpeed > benchResult.dSpeed)
|
|
benchResult.dSpeed = newDSpeed;
|
|
}
|
|
|
|
{
|
|
int const ratioAccuracy = (ratio < 10.) ? 3 : 2;
|
|
OUTPUTLEVEL(
|
|
2,
|
|
"%2s-%-17.17s :%10u ->%10u (x%5.*f), %6.*f MB/s, %6.1f MB/s\r",
|
|
marks[markNb],
|
|
displayName,
|
|
(unsigned)srcSize,
|
|
(unsigned)cSize,
|
|
ratioAccuracy,
|
|
ratio,
|
|
benchResult.cSpeed < (10 * MB_UNIT) ? 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]) {
|
|
unsigned segNb, bNb, pos;
|
|
size_t bacc = 0;
|
|
DISPLAY("Decoding error at pos %u ", (unsigned)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);
|
|
{
|
|
size_t const lowest = (u > 5) ? 5 : u;
|
|
size_t n;
|
|
DISPLAY("origin: ");
|
|
for (n = lowest; 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 = lowest; 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");
|
|
}
|
|
} /* for (u=0; u<srcSize; u++) */
|
|
} /* if ((adv->mode == BMK_both) && (crcOrig!=crcCheck)) */
|
|
} /* 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) {
|
|
OUTPUT("-%-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 {
|
|
OUTPUT("-%-3i%11i (%5.3f) %6.2f MB/s %6.1f MB/s %s\n",
|
|
cLevel,
|
|
(int)cSize,
|
|
ratio,
|
|
cSpeed,
|
|
dSpeed,
|
|
displayName);
|
|
}
|
|
}
|
|
|
|
OUTPUTLEVEL(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 const 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 */
|
|
OUTPUT("bench %s %s: input %u bytes, %u seconds, %u KB blocks\n",
|
|
ZSTD_VERSION_STRING,
|
|
ZSTD_GIT_COMMIT_STRING,
|
|
(unsigned)benchedSize,
|
|
adv->nbSeconds,
|
|
(unsigned)(adv->blockSize >> 10));
|
|
|
|
return BMK_benchMemAdvanced(
|
|
srcBuffer,
|
|
benchedSize,
|
|
NULL,
|
|
0,
|
|
fileSizes,
|
|
nbFiles,
|
|
cLevel,
|
|
comprParams,
|
|
dictBuffer,
|
|
dictBufferSize,
|
|
displayLevel,
|
|
displayName,
|
|
adv);
|
|
}
|
|
|
|
int BMK_syntheticTest(
|
|
int cLevel,
|
|
double compressibility,
|
|
const ZSTD_compressionParameters* compressionParams,
|
|
int displayLevel,
|
|
const BMK_advancedParams_t* adv)
|
|
{
|
|
char nameBuff[20] = { 0 };
|
|
const char* name = nameBuff;
|
|
size_t const benchedSize = adv->blockSize ? adv->blockSize : 10000000;
|
|
void* srcBuffer;
|
|
BMK_benchOutcome_t res;
|
|
|
|
if (cLevel > ZSTD_maxCLevel()) {
|
|
DISPLAYLEVEL(1, "Invalid Compression Level");
|
|
return 15;
|
|
}
|
|
|
|
/* Memory allocation */
|
|
srcBuffer = malloc(benchedSize);
|
|
if (!srcBuffer) {
|
|
DISPLAYLEVEL(1, "allocation error : not enough memory");
|
|
return 16;
|
|
}
|
|
|
|
/* Fill input buffer */
|
|
if (compressibility < 0.0) {
|
|
LOREM_genBuffer(srcBuffer, benchedSize, 0);
|
|
name = "Lorem ipsum";
|
|
} else {
|
|
RDG_genBuffer(srcBuffer, benchedSize, compressibility, 0.0, 0);
|
|
formatString_u(
|
|
nameBuff,
|
|
sizeof(nameBuff),
|
|
"Synthetic %u%%",
|
|
(unsigned)(compressibility * 100));
|
|
}
|
|
|
|
/* Bench */
|
|
res = BMK_benchCLevel(
|
|
srcBuffer,
|
|
benchedSize,
|
|
&benchedSize /* ? */,
|
|
1 /* ? */,
|
|
cLevel,
|
|
compressionParams,
|
|
NULL,
|
|
0, /* dictionary */
|
|
displayLevel,
|
|
name,
|
|
adv);
|
|
|
|
/* clean up */
|
|
free(srcBuffer);
|
|
|
|
return !BMK_isSuccessful_benchOutcome(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++) {
|
|
U64 fileSize = UTIL_getFileSize(
|
|
fileNamesTable[n]); /* last file may be shortened */
|
|
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;
|
|
}
|
|
{
|
|
FILE* const f = fopen(fileNamesTable[n], "rb");
|
|
if (f == NULL)
|
|
RETURN_ERROR_INT(
|
|
10, "impossible to open file %s", fileNamesTable[n]);
|
|
OUTPUTLEVEL(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)
|
|
RETURN_ERROR_INT(
|
|
11, "could not read %s", fileNamesTable[n]);
|
|
pos += readSize;
|
|
}
|
|
fileSizes[n] = (size_t)fileSize;
|
|
totalSize += (size_t)fileSize;
|
|
fclose(f);
|
|
}
|
|
}
|
|
|
|
if (totalSize == 0)
|
|
RETURN_ERROR_INT(12, "no data to bench");
|
|
return 0;
|
|
}
|
|
|
|
int 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) {
|
|
DISPLAYLEVEL(1, "No Files to Benchmark");
|
|
return 13;
|
|
}
|
|
|
|
if (cLevel > ZSTD_maxCLevel()) {
|
|
DISPLAYLEVEL(1, "Invalid Compression Level");
|
|
return 14;
|
|
}
|
|
|
|
if (totalSizeToLoad == UTIL_FILESIZE_UNKNOWN) {
|
|
DISPLAYLEVEL(1, "Error loading files");
|
|
return 15;
|
|
}
|
|
|
|
fileSizes = (size_t*)calloc(nbFiles, sizeof(size_t));
|
|
if (!fileSizes) {
|
|
DISPLAYLEVEL(1, "not enough memory for fileSizes");
|
|
return 16;
|
|
}
|
|
|
|
/* 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);
|
|
DISPLAYLEVEL(1, "benchmark aborted");
|
|
return 17;
|
|
}
|
|
if (dictFileSize > 64 MB) {
|
|
free(fileSizes);
|
|
DISPLAYLEVEL(1, "dictionary file %s too large", dictFileName);
|
|
return 18;
|
|
}
|
|
dictBufferSize = (size_t)dictFileSize;
|
|
dictBuffer = malloc(dictBufferSize);
|
|
if (dictBuffer == NULL) {
|
|
free(fileSizes);
|
|
DISPLAYLEVEL(
|
|
1,
|
|
"not enough memory for dictionary (%u bytes)",
|
|
(unsigned)dictBufferSize);
|
|
return 19;
|
|
}
|
|
|
|
{
|
|
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",
|
|
(unsigned)(benchedSize >> 20));
|
|
|
|
srcBuffer = benchedSize ? malloc(benchedSize) : NULL;
|
|
if (!srcBuffer) {
|
|
free(dictBuffer);
|
|
free(fileSizes);
|
|
DISPLAYLEVEL(1, "not enough memory for srcBuffer");
|
|
return 20;
|
|
}
|
|
|
|
/* 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 };
|
|
formatString_u(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 !BMK_isSuccessful_benchOutcome(res);
|
|
}
|
|
|
|
int 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);
|
|
}
|