3a0dc0e4b7
functions: upper camelcase members: lowercase with trailing '_' decl order: functions (overrides marked virtual), members after:656e8ac61VSX version of vpx_post_proc_down_and_across_mb_row766d875b9VSX version of vpx_mbpost_proc_ip35e98a70bVSX version of vpx_mbpost_proc_downb2898a9adBench Class For More Robust Speed Tests Change-Id: Ib257bd607c5c1248d30e619ec9e8a47cc629825b
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/*
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* Copyright (c) 2018 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <stdio.h>
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#include <algorithm>
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#include "test/bench.h"
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#include "vpx_ports/vpx_timer.h"
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void AbstractBench::RunNTimes(int n) {
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for (int r = 0; r < VPX_BENCH_ROBUST_ITER; r++) {
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vpx_usec_timer timer;
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vpx_usec_timer_start(&timer);
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for (int j = 0; j < n; ++j) {
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Run();
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}
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vpx_usec_timer_mark(&timer);
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times_[r] = static_cast<int>(vpx_usec_timer_elapsed(&timer));
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}
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}
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void AbstractBench::PrintMedian(const char *title) {
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std::sort(times_, times_ + VPX_BENCH_ROBUST_ITER);
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const int med = times_[VPX_BENCH_ROBUST_ITER >> 1];
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int sad = 0;
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for (int t = 0; t < VPX_BENCH_ROBUST_ITER; t++) {
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sad += abs(times_[t] - med);
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}
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printf("[%10s] %s %.1f ms ( ±%.1f ms )\n", "BENCH ", title, med / 1000.0,
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sad / (VPX_BENCH_ROBUST_ITER * 1000.0));
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}
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