Add a set of self-microbenchmarks
Lauri Kasanen
4 years ago
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6f2805e186
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db18cee336
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/* Copyright (C) 2021 Kasm Web
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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* USA.
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*/
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#include <rfb/ComparingUpdateTracker.h>
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#include <rfb/EncodeManager.h>
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#include <rfb/LogWriter.h>
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#include <rfb/SConnection.h>
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#include <rfb/ServerCore.h>
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#include <rfb/PixelBuffer.h>
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#include <rfb/TightJPEGEncoder.h>
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#include <rfb/TightWEBPEncoder.h>
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#include <rfb/util.h>
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#include <sys/time.h>
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#include <stdint.h>
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#include <stdlib.h>
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using namespace rfb;
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static LogWriter vlog("SelfBench");
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static const PixelFormat pfRGBX(32, 24, false, true, 255, 255, 255, 0, 8, 16);
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#define RUNS 64
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#define W 1600
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#define H 1200
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void SelfBench() {
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unsigned i, runs;
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struct timeval start;
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ManagedPixelBuffer f1(pfRGBX, W, H);
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ManagedPixelBuffer f2(pfRGBX, W, H);
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ManagedPixelBuffer screen(pfRGBX, W, H);
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int stride;
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rdr::U8 *f1ptr = f1.getBufferRW(f1.getRect(), &stride);
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rdr::U8 *f2ptr = f2.getBufferRW(f2.getRect(), &stride);
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rdr::U8 * const screenptr = screen.getBufferRW(screen.getRect(), &stride);
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rdr::U8 * const f1orig = f1ptr;
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rdr::U8 * const f2orig = f2ptr;
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for (i = 0; i < W * H * 4; i += 4) {
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f1ptr[0] = rand();
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f1ptr[1] = rand();
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f1ptr[2] = rand();
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f2ptr[0] = rand();
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f2ptr[1] = rand();
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f2ptr[2] = rand();
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f1ptr += 4;
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f2ptr += 4;
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}
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vlog.info("Running micro-benchmarks (single-threaded, runs depending on task)");
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// Encoding
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std::vector<uint8_t> vec;
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TightJPEGEncoder jpeg(NULL);
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gettimeofday(&start, NULL);
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runs = RUNS;
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for (i = 0; i < runs; i++) {
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jpeg.compressOnly(&f1, 8, vec, false);
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}
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vlog.info("Jpeg compression at quality 8 took %u ms (%u runs)", msSince(&start), runs);
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gettimeofday(&start, NULL);
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runs = RUNS;
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for (i = 0; i < runs; i++) {
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jpeg.compressOnly(&f1, 4, vec, false);
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}
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vlog.info("Jpeg compression at quality 4 took %u ms (%u runs)", msSince(&start), runs);
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TightWEBPEncoder webp(NULL);
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gettimeofday(&start, NULL);
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runs = RUNS / 8;
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for (i = 0; i < runs; i++) {
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webp.compressOnly(&f1, 8, vec, false);
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}
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vlog.info("Webp compression at quality 8 took %u ms (%u runs)", msSince(&start), runs);
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gettimeofday(&start, NULL);
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runs = RUNS / 4;
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for (i = 0; i < runs; i++) {
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webp.compressOnly(&f1, 4, vec, false);
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}
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vlog.info("Webp compression at quality 4 took %u ms (%u runs)", msSince(&start), runs);
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// Scaling
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gettimeofday(&start, NULL);
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runs = RUNS;
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for (i = 0; i < runs; i++) {
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PixelBuffer *pb = nearestScale(&f1, W * 0.8, H * 0.8, 0.8);
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delete pb;
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}
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vlog.info("Nearest scaling to 80%% took %u ms (%u runs)", msSince(&start), runs);
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gettimeofday(&start, NULL);
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runs = RUNS;
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for (i = 0; i < runs; i++) {
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PixelBuffer *pb = nearestScale(&f1, W * 0.4, H * 0.4, 0.4);
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delete pb;
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}
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vlog.info("Nearest scaling to 40%% took %u ms (%u runs)", msSince(&start), runs);
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gettimeofday(&start, NULL);
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runs = RUNS;
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for (i = 0; i < runs; i++) {
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PixelBuffer *pb = bilinearScale(&f1, W * 0.8, H * 0.8, 0.8);
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delete pb;
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}
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vlog.info("Bilinear scaling to 80%% took %u ms (%u runs)", msSince(&start), runs);
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gettimeofday(&start, NULL);
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runs = RUNS;
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for (i = 0; i < runs; i++) {
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PixelBuffer *pb = bilinearScale(&f1, W * 0.4, H * 0.4, 0.4);
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delete pb;
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}
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vlog.info("Bilinear scaling to 40%% took %u ms (%u runs)", msSince(&start), runs);
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gettimeofday(&start, NULL);
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runs = RUNS;
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for (i = 0; i < runs; i++) {
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PixelBuffer *pb = progressiveBilinearScale(&f1, W * 0.8, H * 0.8, 0.8);
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delete pb;
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}
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vlog.info("Progressive bilinear scaling to 80%% took %u ms (%u runs)", msSince(&start), runs);
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gettimeofday(&start, NULL);
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runs = RUNS;
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for (i = 0; i < runs; i++) {
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PixelBuffer *pb = progressiveBilinearScale(&f1, W * 0.4, H * 0.4, 0.4);
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delete pb;
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}
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vlog.info("Progressive bilinear scaling to 40%% took %u ms (%u runs)", msSince(&start), runs);
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// Analysis
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ComparingUpdateTracker *comparer = new ComparingUpdateTracker(&screen);
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Region cursorReg;
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Server::detectScrolling.setParam(false);
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Server::detectHorizontal.setParam(false);
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gettimeofday(&start, NULL);
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runs = RUNS;
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for (i = 0; i < runs; i++) {
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memcpy(screenptr, i % 2 ? f1orig : f2orig, W * H * 4);
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comparer->compare(true, cursorReg);
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}
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vlog.info("Analysis took %u ms (%u runs) (incl. memcpy overhead)", msSince(&start), runs);
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Server::detectScrolling.setParam(true);
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gettimeofday(&start, NULL);
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runs = RUNS;
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for (i = 0; i < runs; i++) {
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memcpy(screenptr, i % 2 ? f1orig : f2orig, W * H * 4);
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comparer->compare(false, cursorReg);
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}
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vlog.info("Analysis w/ scroll detection took %u ms (%u runs) (incl. memcpy overhead)", msSince(&start), runs);
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Server::detectHorizontal.setParam(true);
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delete comparer;
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comparer = new ComparingUpdateTracker(&screen);
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gettimeofday(&start, NULL);
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runs = RUNS / 2;
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for (i = 0; i < runs; i++) {
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memcpy(screenptr, i % 2 ? f1orig : f2orig, W * H * 4);
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comparer->compare(false, cursorReg);
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}
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vlog.info("Analysis w/ horizontal scroll detection took %u ms (%u runs) (incl. memcpy overhead)", msSince(&start), runs);
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exit(0);
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}
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