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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.layoutlib.bridge.intensive.util.perf;
import com.android.layoutlib.bridge.intensive.util.perf.LongStatsCollector.Stats;
import java.text.DecimalFormat;
/**
* Result value of a {@link TimedStatement}
*/
public class TimedStatementResult {
private static final DecimalFormat UNITS_FORMAT = new DecimalFormat("#.##");
private final int mWarmUpIterations;
private final int mRuns;
private final double mCalibrationTimeMs;
private final Stats mTimeStats;
private final Stats mMemoryStats;
TimedStatementResult(int warmUpIterations, int runs,
double calibrationTimeMs,
Stats timeStats,
Stats memoryStats) {
mWarmUpIterations = warmUpIterations;
mRuns = runs;
mCalibrationTimeMs = calibrationTimeMs;
mTimeStats = timeStats;
mMemoryStats = memoryStats;
}
@Override
public String toString() {
return String.format(
"Warm up %d. Runs %d\n" + "Time: %s ms (min: %s, max %s)\n" +
"Calibration Time: %f ms\n" +
"Calibrated Time: %s units (min: %s, max %s)\n" +
"Sampled %d times\n" +
" Memory used: %d bytes (max %d)\n\n",
mWarmUpIterations, mRuns,
mTimeStats.getMedian(), mTimeStats.getMin(), mTimeStats.getMax(),
mCalibrationTimeMs,
UNITS_FORMAT.format((mTimeStats.getMedian() / mCalibrationTimeMs) * 100000),
UNITS_FORMAT.format((mTimeStats.getMin() / mCalibrationTimeMs) * 100000),
UNITS_FORMAT.format((mTimeStats.getMax() / mCalibrationTimeMs) * 100000),
mMemoryStats.getSampleCount(),
(long)mMemoryStats.getMedian() - mMemoryStats.getMin(),
mMemoryStats.getMax() - mMemoryStats.getMin());
}
}
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