diff options
Diffstat (limited to 'src/VBox/VMM/testcase/tstCompressionBenchmark.cpp')
| -rw-r--r-- | src/VBox/VMM/testcase/tstCompressionBenchmark.cpp | 642 |
1 files changed, 642 insertions, 0 deletions
diff --git a/src/VBox/VMM/testcase/tstCompressionBenchmark.cpp b/src/VBox/VMM/testcase/tstCompressionBenchmark.cpp new file mode 100644 index 00000000..d28d9e18 --- /dev/null +++ b/src/VBox/VMM/testcase/tstCompressionBenchmark.cpp @@ -0,0 +1,642 @@ +/* $Id: tstCompressionBenchmark.cpp $ */ +/** @file + * Compression Benchmark for SSM and PGM. + */ + +/* + * Copyright (C) 2009-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include <iprt/asm.h> +#include <iprt/assert.h> +#include <iprt/buildconfig.h> +#include <iprt/crc.h> +#include <iprt/ctype.h> +#include <iprt/err.h> +#include <iprt/file.h> +#include <iprt/getopt.h> +#include <iprt/initterm.h> +#include <iprt/md5.h> +#include <iprt/sha.h> +#include <iprt/mem.h> +#include <iprt/param.h> +#include <iprt/stream.h> +#include <iprt/string.h> +#include <iprt/time.h> +#include <iprt/zip.h> + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +static size_t g_cPages = 20*_1M / PAGE_SIZE; +static size_t g_cbPages; +static uint8_t *g_pabSrc; + +/** Buffer for the decompressed data (g_cbPages). */ +static uint8_t *g_pabDecompr; + +/** Buffer for the compressed data (g_cbComprAlloc). */ +static uint8_t *g_pabCompr; +/** The current size of the compressed data, ComprOutCallback */ +static size_t g_cbCompr; +/** The current offset into the compressed data, DecomprInCallback. */ +static size_t g_offComprIn; +/** The amount of space allocated for compressed data. */ +static size_t g_cbComprAlloc; + + +/** + * Store compressed data in the g_pabCompr buffer. + */ +static DECLCALLBACK(int) ComprOutCallback(void *pvUser, const void *pvBuf, size_t cbBuf) +{ + NOREF(pvUser); + AssertReturn(g_cbCompr + cbBuf <= g_cbComprAlloc, VERR_BUFFER_OVERFLOW); + memcpy(&g_pabCompr[g_cbCompr], pvBuf, cbBuf); + g_cbCompr += cbBuf; + return VINF_SUCCESS; +} + +/** + * Read compressed data from g_pabComrp. + */ +static DECLCALLBACK(int) DecomprInCallback(void *pvUser, void *pvBuf, size_t cbBuf, size_t *pcbBuf) +{ + NOREF(pvUser); + size_t cb = RT_MIN(cbBuf, g_cbCompr - g_offComprIn); + if (pcbBuf) + *pcbBuf = cb; +// AssertReturn(cb > 0, VERR_EOF); + memcpy(pvBuf, &g_pabCompr[g_offComprIn], cb); + g_offComprIn += cb; + return VINF_SUCCESS; +} + + +/** + * Benchmark RTCrc routines potentially relevant for SSM or PGM - All in one go. + * + * @param pabSrc Pointer to the test data. + * @param cbSrc The size of the test data. + */ +static void tstBenchmarkCRCsAllInOne(uint8_t const *pabSrc, size_t cbSrc) +{ + RTPrintf("Algorithm Speed Time Digest\n" + "------------------------------------------------------------------------------\n"); + + uint64_t NanoTS = RTTimeNanoTS(); + uint32_t u32Crc = RTCrc32(pabSrc, cbSrc); + NanoTS = RTTimeNanoTS() - NanoTS; + unsigned uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTPrintf("CRC-32 %'9u KB/s %'15llu ns - %08x\n", uSpeed, NanoTS, u32Crc); + + + NanoTS = RTTimeNanoTS(); + uint64_t u64Crc = RTCrc64(pabSrc, cbSrc); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTPrintf("CRC-64 %'9u KB/s %'15llu ns - %016llx\n", uSpeed, NanoTS, u64Crc); + + NanoTS = RTTimeNanoTS(); + u32Crc = RTCrcAdler32(pabSrc, cbSrc); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTPrintf("Adler-32 %'9u KB/s %'15llu ns - %08x\n", uSpeed, NanoTS, u32Crc); + + NanoTS = RTTimeNanoTS(); + uint8_t abMd5Hash[RTMD5HASHSIZE]; + RTMd5(pabSrc, cbSrc, abMd5Hash); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + char szDigest[257]; + RTMd5ToString(abMd5Hash, szDigest, sizeof(szDigest)); + RTPrintf("MD5 %'9u KB/s %'15llu ns - %s\n", uSpeed, NanoTS, szDigest); + + NanoTS = RTTimeNanoTS(); + uint8_t abSha1Hash[RTSHA1_HASH_SIZE]; + RTSha1(pabSrc, cbSrc, abSha1Hash); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTSha1ToString(abSha1Hash, szDigest, sizeof(szDigest)); + RTPrintf("SHA-1 %'9u KB/s %'15llu ns - %s\n", uSpeed, NanoTS, szDigest); + + NanoTS = RTTimeNanoTS(); + uint8_t abSha256Hash[RTSHA256_HASH_SIZE]; + RTSha256(pabSrc, cbSrc, abSha256Hash); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTSha256ToString(abSha256Hash, szDigest, sizeof(szDigest)); + RTPrintf("SHA-256 %'9u KB/s %'15llu ns - %s\n", uSpeed, NanoTS, szDigest); + + NanoTS = RTTimeNanoTS(); + uint8_t abSha512Hash[RTSHA512_HASH_SIZE]; + RTSha512(pabSrc, cbSrc, abSha512Hash); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTSha512ToString(abSha512Hash, szDigest, sizeof(szDigest)); + RTPrintf("SHA-512 %'9u KB/s %'15llu ns - %s\n", uSpeed, NanoTS, szDigest); +} + + +/** + * Benchmark RTCrc routines potentially relevant for SSM or PGM - Page by page. + * + * @param pabSrc Pointer to the test data. + * @param cbSrc The size of the test data. + */ +static void tstBenchmarkCRCsPageByPage(uint8_t const *pabSrc, size_t cbSrc) +{ + RTPrintf("Algorithm Speed Time \n" + "----------------------------------------------\n"); + + size_t const cPages = cbSrc / PAGE_SIZE; + + uint64_t NanoTS = RTTimeNanoTS(); + for (uint32_t iPage = 0; iPage < cPages; iPage++) + RTCrc32(&pabSrc[iPage * PAGE_SIZE], PAGE_SIZE); + NanoTS = RTTimeNanoTS() - NanoTS; + unsigned uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTPrintf("CRC-32 %'9u KB/s %'15llu ns\n", uSpeed, NanoTS); + + + NanoTS = RTTimeNanoTS(); + for (uint32_t iPage = 0; iPage < cPages; iPage++) + RTCrc64(&pabSrc[iPage * PAGE_SIZE], PAGE_SIZE); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTPrintf("CRC-64 %'9u KB/s %'15llu ns\n", uSpeed, NanoTS); + + NanoTS = RTTimeNanoTS(); + for (uint32_t iPage = 0; iPage < cPages; iPage++) + RTCrcAdler32(&pabSrc[iPage * PAGE_SIZE], PAGE_SIZE); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTPrintf("Adler-32 %'9u KB/s %'15llu ns\n", uSpeed, NanoTS); + + NanoTS = RTTimeNanoTS(); + uint8_t abMd5Hash[RTMD5HASHSIZE]; + for (uint32_t iPage = 0; iPage < cPages; iPage++) + RTMd5(&pabSrc[iPage * PAGE_SIZE], PAGE_SIZE, abMd5Hash); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTPrintf("MD5 %'9u KB/s %'15llu ns\n", uSpeed, NanoTS); + + NanoTS = RTTimeNanoTS(); + uint8_t abSha1Hash[RTSHA1_HASH_SIZE]; + for (uint32_t iPage = 0; iPage < cPages; iPage++) + RTSha1(&pabSrc[iPage * PAGE_SIZE], PAGE_SIZE, abSha1Hash); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTPrintf("SHA-1 %'9u KB/s %'15llu ns\n", uSpeed, NanoTS); + + NanoTS = RTTimeNanoTS(); + uint8_t abSha256Hash[RTSHA256_HASH_SIZE]; + for (uint32_t iPage = 0; iPage < cPages; iPage++) + RTSha256(&pabSrc[iPage * PAGE_SIZE], PAGE_SIZE, abSha256Hash); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTPrintf("SHA-256 %'9u KB/s %'15llu ns\n", uSpeed, NanoTS); + + NanoTS = RTTimeNanoTS(); + uint8_t abSha512Hash[RTSHA512_HASH_SIZE]; + for (uint32_t iPage = 0; iPage < cPages; iPage++) + RTSha512(&pabSrc[iPage * PAGE_SIZE], PAGE_SIZE, abSha512Hash); + NanoTS = RTTimeNanoTS() - NanoTS; + uSpeed = (unsigned)(cbSrc / (long double)NanoTS * 1000000000.0 / 1024); + RTPrintf("SHA-512 %'9u KB/s %'15llu ns\n", uSpeed, NanoTS); +} + + +/** Prints an error message and returns 1 for quick return from main use. */ +static int Error(const char *pszMsgFmt, ...) +{ + RTStrmPrintf(g_pStdErr, "\nerror: "); + va_list va; + va_start(va, pszMsgFmt); + RTStrmPrintfV(g_pStdErr, pszMsgFmt, va); + va_end(va); + return 1; +} + + +int main(int argc, char **argv) +{ + RTR3InitExe(argc, &argv, 0); + + /* + * Parse arguments. + */ + static const RTGETOPTDEF s_aOptions[] = + { + { "--iterations", 'i', RTGETOPT_REQ_UINT32 }, + { "--num-pages", 'n', RTGETOPT_REQ_UINT32 }, + { "--page-at-a-time", 'c', RTGETOPT_REQ_UINT32 }, + { "--page-file", 'f', RTGETOPT_REQ_STRING }, + { "--offset", 'o', RTGETOPT_REQ_UINT64 }, + }; + + const char *pszPageFile = NULL; + uint64_t offPageFile = 0; + uint32_t cIterations = 1; + uint32_t cPagesAtATime = 1; + RTGETOPTUNION Val; + RTGETOPTSTATE State; + int rc = RTGetOptInit(&State, argc, argv, &s_aOptions[0], RT_ELEMENTS(s_aOptions), 1, 0); + AssertRCReturn(rc, 1); + + while ((rc = RTGetOpt(&State, &Val))) + { + switch (rc) + { + case 'n': + g_cPages = Val.u32; + if (g_cPages * PAGE_SIZE * 4 / (PAGE_SIZE * 4) != g_cPages) + return Error("The specified page count is too high: %#x (%#llx bytes)\n", g_cPages, (uint64_t)g_cPages * PAGE_SHIFT); + if (g_cPages < 1) + return Error("The specified page count is too low: %#x\n", g_cPages); + break; + + case 'i': + cIterations = Val.u32; + if (cIterations < 1) + return Error("The number of iterations must be 1 or higher\n"); + break; + + case 'c': + cPagesAtATime = Val.u32; + if (cPagesAtATime < 1 || cPagesAtATime > 10240) + return Error("The specified pages-at-a-time count is out of range: %#x\n", cPagesAtATime); + break; + + case 'f': + pszPageFile = Val.psz; + break; + + case 'o': + offPageFile = Val.u64; + break; + + case 'O': + offPageFile = Val.u64 * PAGE_SIZE; + break; + + case 'h': + RTPrintf("syntax: tstCompressionBenchmark [options]\n" + "\n" + "Options:\n" + " -h, --help\n" + " Show this help page\n" + " -i, --iterations <num>\n" + " The number of iterations.\n" + " -n, --num-pages <pages>\n" + " The number of pages.\n" + " -c, --pages-at-a-time <pages>\n" + " Number of pages at a time.\n" + " -f, --page-file <filename>\n" + " File or device to read the page from. The default\n" + " is to generate some garbage.\n" + " -o, --offset <file-offset>\n" + " Offset into the page file to start reading at.\n"); + return 0; + + case 'V': + RTPrintf("%sr%s\n", RTBldCfgVersion(), RTBldCfgRevisionStr()); + return 0; + + default: + return RTGetOptPrintError(rc, &Val); + } + } + + g_cbPages = g_cPages * PAGE_SIZE; + uint64_t cbTotal = (uint64_t)g_cPages * PAGE_SIZE * cIterations; + uint64_t cbTotalKB = cbTotal / _1K; + if (cbTotal / cIterations != g_cbPages) + return Error("cPages * cIterations -> overflow\n"); + + /* + * Gather the test memory. + */ + if (pszPageFile) + { + size_t cbFile; + rc = RTFileReadAllEx(pszPageFile, offPageFile, g_cbPages, RTFILE_RDALL_O_DENY_NONE, (void **)&g_pabSrc, &cbFile); + if (RT_FAILURE(rc)) + return Error("Error reading %zu bytes from %s at %llu: %Rrc\n", g_cbPages, pszPageFile, offPageFile, rc); + if (cbFile != g_cbPages) + return Error("Error reading %zu bytes from %s at %llu: got %zu bytes\n", g_cbPages, pszPageFile, offPageFile, cbFile); + } + else + { + g_pabSrc = (uint8_t *)RTMemAlloc(g_cbPages); + if (g_pabSrc) + { + /* Just fill it with something - warn about the low quality of the something. */ + RTPrintf("tstCompressionBenchmark: WARNING! No input file was specified so the source\n" + "buffer will be filled with generated data of questionable quality.\n"); +#ifdef RT_OS_LINUX + RTPrintf("To get real RAM on linux: sudo dd if=/dev/mem ... \n"); +#endif + uint8_t *pb = g_pabSrc; + uint8_t *pbEnd = &g_pabSrc[g_cbPages]; + for (; pb != pbEnd; pb += 16) + { + char szTmp[17]; + RTStrPrintf(szTmp, sizeof(szTmp), "aaaa%08Xzzzz", (uint32_t)(uintptr_t)pb); + memcpy(pb, szTmp, 16); + } + } + } + + g_pabDecompr = (uint8_t *)RTMemAlloc(g_cbPages); + g_cbComprAlloc = RT_MAX(g_cbPages * 2, 256 * PAGE_SIZE); + g_pabCompr = (uint8_t *)RTMemAlloc(g_cbComprAlloc); + if (!g_pabSrc || !g_pabDecompr || !g_pabCompr) + return Error("failed to allocate memory buffers (g_cPages=%#x)\n", g_cPages); + + /* + * Double loop compressing and uncompressing the data, where the outer does + * the specified number of iterations while the inner applies the different + * compression algorithms. + */ + struct + { + /** The time spent decompressing. */ + uint64_t cNanoDecompr; + /** The time spent compressing. */ + uint64_t cNanoCompr; + /** The size of the compressed data. */ + uint64_t cbCompr; + /** First error. */ + int rc; + /** The compression style: block or stream. */ + bool fBlock; + /** Compression type. */ + RTZIPTYPE enmType; + /** Compression level. */ + RTZIPLEVEL enmLevel; + /** Method name. */ + const char *pszName; + } aTests[] = + { + { 0, 0, 0, VINF_SUCCESS, false, RTZIPTYPE_STORE, RTZIPLEVEL_DEFAULT, "RTZip/Store" }, + { 0, 0, 0, VINF_SUCCESS, false, RTZIPTYPE_LZF, RTZIPLEVEL_DEFAULT, "RTZip/LZF" }, +/* { 0, 0, 0, VINF_SUCCESS, false, RTZIPTYPE_ZLIB, RTZIPLEVEL_DEFAULT, "RTZip/zlib" }, - slow plus it randomly hits VERR_GENERAL_FAILURE atm. */ + { 0, 0, 0, VINF_SUCCESS, true, RTZIPTYPE_STORE, RTZIPLEVEL_DEFAULT, "RTZipBlock/Store" }, + { 0, 0, 0, VINF_SUCCESS, true, RTZIPTYPE_LZF, RTZIPLEVEL_DEFAULT, "RTZipBlock/LZF" }, + { 0, 0, 0, VINF_SUCCESS, true, RTZIPTYPE_LZJB, RTZIPLEVEL_DEFAULT, "RTZipBlock/LZJB" }, + { 0, 0, 0, VINF_SUCCESS, true, RTZIPTYPE_LZO, RTZIPLEVEL_DEFAULT, "RTZipBlock/LZO" }, + }; + RTPrintf("tstCompressionBenchmark: TESTING.."); + for (uint32_t i = 0; i < cIterations; i++) + { + for (uint32_t j = 0; j < RT_ELEMENTS(aTests); j++) + { + if (RT_FAILURE(aTests[j].rc)) + continue; + memset(g_pabCompr, 0xaa, g_cbComprAlloc); + memset(g_pabDecompr, 0xcc, g_cbPages); + g_cbCompr = 0; + g_offComprIn = 0; + RTPrintf("."); RTStrmFlush(g_pStdOut); + + /* + * Compress it. + */ + uint64_t NanoTS = RTTimeNanoTS(); + if (aTests[j].fBlock) + { + size_t cbLeft = g_cbComprAlloc; + uint8_t const *pbSrcPage = g_pabSrc; + uint8_t *pbDstPage = g_pabCompr; + for (size_t iPage = 0; iPage < g_cPages; iPage += cPagesAtATime) + { + AssertBreakStmt(cbLeft > PAGE_SIZE * 4, aTests[j].rc = rc = VERR_BUFFER_OVERFLOW); + uint32_t *pcb = (uint32_t *)pbDstPage; + pbDstPage += sizeof(uint32_t); + cbLeft -= sizeof(uint32_t); + size_t cbSrc = RT_MIN(g_cPages - iPage, cPagesAtATime) * PAGE_SIZE; + size_t cbDst; + rc = RTZipBlockCompress(aTests[j].enmType, aTests[j].enmLevel, 0 /*fFlags*/, + pbSrcPage, cbSrc, + pbDstPage, cbLeft, &cbDst); + if (RT_FAILURE(rc)) + { + Error("RTZipBlockCompress failed for '%s' (#%u): %Rrc\n", aTests[j].pszName, j, rc); + aTests[j].rc = rc; + break; + } + *pcb = (uint32_t)cbDst; + cbLeft -= cbDst; + pbDstPage += cbDst; + pbSrcPage += cbSrc; + } + if (RT_FAILURE(rc)) + continue; + g_cbCompr = pbDstPage - g_pabCompr; + } + else + { + PRTZIPCOMP pZipComp; + rc = RTZipCompCreate(&pZipComp, NULL, ComprOutCallback, aTests[j].enmType, aTests[j].enmLevel); + if (RT_FAILURE(rc)) + { + Error("Failed to create the compressor for '%s' (#%u): %Rrc\n", aTests[j].pszName, j, rc); + aTests[j].rc = rc; + continue; + } + + uint8_t const *pbSrcPage = g_pabSrc; + for (size_t iPage = 0; iPage < g_cPages; iPage += cPagesAtATime) + { + size_t cb = RT_MIN(g_cPages - iPage, cPagesAtATime) * PAGE_SIZE; + rc = RTZipCompress(pZipComp, pbSrcPage, cb); + if (RT_FAILURE(rc)) + { + Error("RTZipCompress failed for '%s' (#%u): %Rrc\n", aTests[j].pszName, j, rc); + aTests[j].rc = rc; + break; + } + pbSrcPage += cb; + } + if (RT_FAILURE(rc)) + continue; + rc = RTZipCompFinish(pZipComp); + if (RT_FAILURE(rc)) + { + Error("RTZipCompFinish failed for '%s' (#%u): %Rrc\n", aTests[j].pszName, j, rc); + aTests[j].rc = rc; + break; + } + RTZipCompDestroy(pZipComp); + } + NanoTS = RTTimeNanoTS() - NanoTS; + aTests[j].cbCompr += g_cbCompr; + aTests[j].cNanoCompr += NanoTS; + + /* + * Decompress it. + */ + NanoTS = RTTimeNanoTS(); + if (aTests[j].fBlock) + { + uint8_t const *pbSrcPage = g_pabCompr; + size_t cbLeft = g_cbCompr; + uint8_t *pbDstPage = g_pabDecompr; + for (size_t iPage = 0; iPage < g_cPages; iPage += cPagesAtATime) + { + size_t cbDst = RT_MIN(g_cPages - iPage, cPagesAtATime) * PAGE_SIZE; + size_t cbSrc = *(uint32_t *)pbSrcPage; + pbSrcPage += sizeof(uint32_t); + cbLeft -= sizeof(uint32_t); + rc = RTZipBlockDecompress(aTests[j].enmType, 0 /*fFlags*/, + pbSrcPage, cbSrc, &cbSrc, + pbDstPage, cbDst, &cbDst); + if (RT_FAILURE(rc)) + { + Error("RTZipBlockDecompress failed for '%s' (#%u): %Rrc\n", aTests[j].pszName, j, rc); + aTests[j].rc = rc; + break; + } + pbDstPage += cbDst; + cbLeft -= cbSrc; + pbSrcPage += cbSrc; + } + if (RT_FAILURE(rc)) + continue; + } + else + { + PRTZIPDECOMP pZipDecomp; + rc = RTZipDecompCreate(&pZipDecomp, NULL, DecomprInCallback); + if (RT_FAILURE(rc)) + { + Error("Failed to create the decompressor for '%s' (#%u): %Rrc\n", aTests[j].pszName, j, rc); + aTests[j].rc = rc; + continue; + } + + uint8_t *pbDstPage = g_pabDecompr; + for (size_t iPage = 0; iPage < g_cPages; iPage += cPagesAtATime) + { + size_t cb = RT_MIN(g_cPages - iPage, cPagesAtATime) * PAGE_SIZE; + rc = RTZipDecompress(pZipDecomp, pbDstPage, cb, NULL); + if (RT_FAILURE(rc)) + { + Error("RTZipDecompress failed for '%s' (#%u): %Rrc\n", aTests[j].pszName, j, rc); + aTests[j].rc = rc; + break; + } + pbDstPage += cb; + } + RTZipDecompDestroy(pZipDecomp); + if (RT_FAILURE(rc)) + continue; + } + NanoTS = RTTimeNanoTS() - NanoTS; + aTests[j].cNanoDecompr += NanoTS; + + if (memcmp(g_pabDecompr, g_pabSrc, g_cbPages)) + { + Error("The compressed data doesn't match the source for '%s' (%#u)\n", aTests[j].pszName, j); + aTests[j].rc = VERR_BAD_EXE_FORMAT; + continue; + } + } + } + if (RT_SUCCESS(rc)) + RTPrintf("\n"); + + /* + * Report the results. + */ + rc = 0; + RTPrintf("tstCompressionBenchmark: BEGIN RESULTS\n"); + RTPrintf("%-20s Compression Decompression\n", ""); + RTPrintf("%-20s In Out Ratio Size In Out\n", "Method"); + RTPrintf("%.20s-----------------------------------------------------------------------------------------\n", "---------------------------------------------"); + for (uint32_t j = 0; j < RT_ELEMENTS(aTests); j++) + { + if (RT_SUCCESS(aTests[j].rc)) + { + unsigned uComprSpeedIn = (unsigned)(cbTotalKB / (long double)aTests[j].cNanoCompr * 1000000000.0); + unsigned uComprSpeedOut = (unsigned)(aTests[j].cbCompr / (long double)aTests[j].cNanoCompr * 1000000000.0 / 1024); + unsigned uRatio = (unsigned)(aTests[j].cbCompr / cIterations * 100 / g_cbPages); + unsigned uDecomprSpeedIn = (unsigned)(aTests[j].cbCompr / (long double)aTests[j].cNanoDecompr * 1000000000.0 / 1024); + unsigned uDecomprSpeedOut = (unsigned)(cbTotalKB / (long double)aTests[j].cNanoDecompr * 1000000000.0); + RTPrintf("%-20s %'9u KB/s %'9u KB/s %3u%% %'11llu bytes %'9u KB/s %'9u KB/s", + aTests[j].pszName, + uComprSpeedIn, uComprSpeedOut, uRatio, aTests[j].cbCompr / cIterations, + uDecomprSpeedIn, uDecomprSpeedOut); +#if 0 + RTPrintf(" [%'14llu / %'14llu ns]\n", + aTests[j].cNanoCompr / cIterations, + aTests[j].cNanoDecompr / cIterations); +#else + RTPrintf("\n"); +#endif + } + else + { + RTPrintf("%-20s: %Rrc\n", aTests[j].pszName, aTests[j].rc); + rc = 1; + } + } + if (pszPageFile) + RTPrintf("Input: %'10zu pages from '%s' starting at offset %'lld (%#llx)\n" + " %'11zu bytes\n", + g_cPages, pszPageFile, offPageFile, offPageFile, g_cbPages); + else + RTPrintf("Input: %'10zu pages of generated rubbish %'11zu bytes\n", + g_cPages, g_cbPages); + + /* + * Count zero pages in the data set. + */ + size_t cZeroPages = 0; + for (size_t iPage = 0; iPage < g_cPages; iPage++) + { + if (ASMMemIsZeroPage(&g_pabSrc[iPage * PAGE_SIZE])) + cZeroPages++; + } + RTPrintf(" %'10zu zero pages (%u %%)\n", cZeroPages, cZeroPages * 100 / g_cPages); + + /* + * A little extension to the test, benchmark relevant CRCs. + */ + RTPrintf("\n" + "tstCompressionBenchmark: Hash/CRC - All In One\n"); + tstBenchmarkCRCsAllInOne(g_pabSrc, g_cbPages); + + RTPrintf("\n" + "tstCompressionBenchmark: Hash/CRC - Page by Page\n"); + tstBenchmarkCRCsPageByPage(g_pabSrc, g_cbPages); + + RTPrintf("\n" + "tstCompressionBenchmark: Hash/CRC - Zero Page Digest\n"); + static uint8_t s_abZeroPg[PAGE_SIZE]; + RT_ZERO(s_abZeroPg); + tstBenchmarkCRCsAllInOne(s_abZeroPg, PAGE_SIZE); + + RTPrintf("\n" + "tstCompressionBenchmark: Hash/CRC - Zero Half Page Digest\n"); + tstBenchmarkCRCsAllInOne(s_abZeroPg, PAGE_SIZE / 2); + + RTPrintf("tstCompressionBenchmark: END RESULTS\n"); + + return rc; +} + |