| /* |
| * Copyright (C) 2015 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.benchmark.synthetic; |
| |
| import android.view.View; |
| import android.widget.TextView; |
| |
| import org.apache.commons.math.stat.StatUtils; |
| import org.apache.commons.math.stat.descriptive.SummaryStatistics; |
| |
| import java.util.LinkedList; |
| import java.util.Queue; |
| |
| |
| public class TestInterface { |
| native long nInit(long options); |
| native long nDestroy(long b); |
| native float nGetData(long b, float[] data); |
| native boolean nRunPowerManagementTest(long b, long options); |
| native boolean nRunCPUHeatSoakTest(long b, long options); |
| |
| native boolean nMemTestStart(long b); |
| native float nMemTestBandwidth(long b, long size); |
| native float nMemTestLatency(long b, long size); |
| native void nMemTestEnd(long b); |
| |
| native float nGFlopsTest(long b, long opt); |
| |
| public static class TestResultCallback { |
| void onTestResult(int command, float result) { } |
| } |
| |
| static { |
| System.loadLibrary("nativebench"); |
| } |
| |
| float[] mLinesLow; |
| float[] mLinesHigh; |
| float[] mLinesValue; |
| TextView mTextStatus; |
| TextView mTextMin; |
| TextView mTextMax; |
| TextView mTextTypical; |
| |
| private View mViewToUpdate; |
| |
| private LooperThread mLT; |
| |
| TestInterface(View v, int runtimeSeconds, TestResultCallback callback) { |
| int buckets = runtimeSeconds * 1000; |
| mLinesLow = new float[buckets * 4]; |
| mLinesHigh = new float[buckets * 4]; |
| mLinesValue = new float[buckets * 4]; |
| mViewToUpdate = v; |
| |
| mLT = new LooperThread(this, callback); |
| mLT.start(); |
| } |
| |
| static class LooperThread extends Thread { |
| public static final int CommandExit = 1; |
| public static final int TestPowerManagement = 2; |
| public static final int TestMemoryBandwidth = 3; |
| public static final int TestMemoryLatency = 4; |
| public static final int TestHeatSoak = 5; |
| public static final int TestGFlops = 6; |
| |
| private volatile boolean mRun = true; |
| private TestInterface mTI; |
| private TestResultCallback mCallback; |
| |
| Queue<Integer> mCommandQueue = new LinkedList<Integer>(); |
| |
| LooperThread(TestInterface ti, TestResultCallback callback) { |
| super("BenchmarkTestThread"); |
| mTI = ti; |
| mCallback = callback; |
| } |
| |
| void runCommand(int command) { |
| Integer i = Integer.valueOf(command); |
| |
| synchronized (this) { |
| mCommandQueue.add(i); |
| notifyAll(); |
| } |
| } |
| |
| public void run() { |
| long b = mTI.nInit(0); |
| if (b == 0) { |
| return; |
| } |
| |
| while (mRun) { |
| int command = 0; |
| synchronized (this) { |
| if (mCommandQueue.isEmpty()) { |
| try { |
| wait(); |
| } catch (InterruptedException e) { |
| } |
| } |
| |
| if (!mCommandQueue.isEmpty()) { |
| command = mCommandQueue.remove(); |
| } |
| } |
| |
| switch (command) { |
| case CommandExit: |
| mRun = false; |
| break; |
| case TestPowerManagement: |
| float score = mTI.testPowerManagement(b); |
| mCallback.onTestResult(command, 0); |
| break; |
| case TestMemoryBandwidth: |
| mTI.testCPUMemoryBandwidth(b); |
| break; |
| case TestMemoryLatency: |
| mTI.testCPUMemoryLatency(b); |
| break; |
| case TestHeatSoak: |
| mTI.testCPUHeatSoak(b); |
| break; |
| case TestGFlops: |
| mTI.testCPUGFlops(b); |
| break; |
| |
| } |
| |
| //mViewToUpdate.post(new Runnable() { |
| // public void run() { |
| // mViewToUpdate.invalidate(); |
| //} |
| //}); |
| } |
| |
| mTI.nDestroy(b); |
| } |
| |
| void exit() { |
| mRun = false; |
| } |
| } |
| |
| void postTextToView(TextView v, String s) { |
| final TextView tv = v; |
| final String ts = s; |
| |
| v.post(new Runnable() { |
| public void run() { |
| tv.setText(ts); |
| } |
| }); |
| |
| } |
| |
| float calcAverage(float[] data) { |
| float total = 0.f; |
| for (int ct=0; ct < data.length; ct++) { |
| total += data[ct]; |
| } |
| return total / data.length; |
| } |
| |
| void makeGraph(float[] data, float[] lines) { |
| for (int ct = 0; ct < data.length; ct++) { |
| lines[ct * 4 + 0] = (float)ct; |
| lines[ct * 4 + 1] = 500.f - data[ct]; |
| lines[ct * 4 + 2] = (float)ct; |
| lines[ct * 4 + 3] = 500.f; |
| } |
| } |
| |
| float testPowerManagement(long b) { |
| float[] dat = new float[mLinesLow.length / 4]; |
| postTextToView(mTextStatus, "Running single-threaded"); |
| nRunPowerManagementTest(b, 1); |
| nGetData(b, dat); |
| makeGraph(dat, mLinesLow); |
| mViewToUpdate.postInvalidate(); |
| float avgMin = calcAverage(dat); |
| |
| postTextToView(mTextMin, "Single threaded " + avgMin + " per second"); |
| |
| postTextToView(mTextStatus, "Running multi-threaded"); |
| nRunPowerManagementTest(b, 4); |
| nGetData(b, dat); |
| makeGraph(dat, mLinesHigh); |
| mViewToUpdate.postInvalidate(); |
| float avgMax = calcAverage(dat); |
| postTextToView(mTextMax, "Multi threaded " + avgMax + " per second"); |
| |
| postTextToView(mTextStatus, "Running typical"); |
| nRunPowerManagementTest(b, 0); |
| nGetData(b, dat); |
| makeGraph(dat, mLinesValue); |
| mViewToUpdate.postInvalidate(); |
| float avgTypical = calcAverage(dat); |
| |
| float ofIdeal = avgTypical / (avgMax + avgMin) * 200.f; |
| postTextToView(mTextTypical, String.format("Typical mix (50/50) %%%2.0f of ideal", ofIdeal)); |
| return ofIdeal * (avgMax + avgMin); |
| } |
| |
| float testCPUHeatSoak(long b) { |
| float[] dat = new float[1000]; |
| postTextToView(mTextStatus, "Running heat soak test"); |
| for (int t = 0; t < 1000; t++) { |
| mLinesLow[t * 4 + 0] = (float)t; |
| mLinesLow[t * 4 + 1] = 498.f; |
| mLinesLow[t * 4 + 2] = (float)t; |
| mLinesLow[t * 4 + 3] = 500.f; |
| } |
| |
| float peak = 0.f; |
| float total = 0.f; |
| float dThroughput = 0; |
| float prev = 0; |
| SummaryStatistics stats = new SummaryStatistics(); |
| for (int t = 0; t < 1000; t++) { |
| nRunCPUHeatSoakTest(b, 1); |
| nGetData(b, dat); |
| |
| float p = calcAverage(dat); |
| if (prev != 0) { |
| dThroughput += (prev - p); |
| } |
| |
| prev = p; |
| |
| mLinesLow[t * 4 + 1] = 499.f - p; |
| if (peak < p) { |
| peak = p; |
| } |
| for (float f : dat) { |
| stats.addValue(f); |
| } |
| |
| total += p; |
| |
| mViewToUpdate.postInvalidate(); |
| postTextToView(mTextMin, "Peak " + peak + " per second"); |
| postTextToView(mTextMax, "Current " + p + " per second"); |
| postTextToView(mTextTypical, "Average " + (total / (t + 1)) + " per second"); |
| } |
| |
| |
| float decreaseOverTime = dThroughput / 1000; |
| |
| System.out.println("dthroughput/dt: " + decreaseOverTime); |
| |
| float score = (float) (stats.getMean() / (stats.getStandardDeviation() * decreaseOverTime)); |
| |
| postTextToView(mTextStatus, "Score: " + score); |
| return score; |
| } |
| |
| void testCPUMemoryBandwidth(long b) { |
| int[] sizeK = {1, 2, 3, 4, 5, 6, 7, |
| 8, 10, 12, 14, 16, 20, 24, 28, |
| 32, 40, 48, 56, 64, 80, 96, 112, |
| 128, 160, 192, 224, 256, 320, 384, 448, |
| 512, 640, 768, 896, 1024, 1280, 1536, 1792, |
| 2048, 2560, 3584, 4096, 5120, 6144, 7168, |
| 8192, 10240, 12288, 14336, 16384 |
| }; |
| final int subSteps = 15; |
| float[] results = new float[sizeK.length * subSteps]; |
| |
| nMemTestStart(b); |
| |
| float[] dat = new float[1000]; |
| postTextToView(mTextStatus, "Running Memory Bandwidth test"); |
| for (int t = 0; t < 1000; t++) { |
| mLinesLow[t * 4 + 0] = (float)t; |
| mLinesLow[t * 4 + 1] = 498.f; |
| mLinesLow[t * 4 + 2] = (float)t; |
| mLinesLow[t * 4 + 3] = 500.f; |
| } |
| |
| for (int i = 0; i < sizeK.length; i++) { |
| postTextToView(mTextStatus, "Running " + sizeK[i] + " K"); |
| |
| float rtot = 0.f; |
| for (int j = 0; j < subSteps; j++) { |
| float ret = nMemTestBandwidth(b, sizeK[i] * 1024); |
| rtot += ret; |
| results[i * subSteps + j] = ret; |
| mLinesLow[(i * subSteps + j) * 4 + 1] = 499.f - (results[i*15+j] * 20.f); |
| mViewToUpdate.postInvalidate(); |
| } |
| rtot /= subSteps; |
| |
| if (sizeK[i] == 2) { |
| postTextToView(mTextMin, "2K " + rtot + " GB/s"); |
| } |
| if (sizeK[i] == 128) { |
| postTextToView(mTextMax, "128K " + rtot + " GB/s"); |
| } |
| if (sizeK[i] == 8192) { |
| postTextToView(mTextTypical, "8M " + rtot + " GB/s"); |
| } |
| |
| } |
| |
| nMemTestEnd(b); |
| postTextToView(mTextStatus, "Done"); |
| } |
| |
| void testCPUMemoryLatency(long b) { |
| int[] sizeK = {1, 2, 3, 4, 5, 6, 7, |
| 8, 10, 12, 14, 16, 20, 24, 28, |
| 32, 40, 48, 56, 64, 80, 96, 112, |
| 128, 160, 192, 224, 256, 320, 384, 448, |
| 512, 640, 768, 896, 1024, 1280, 1536, 1792, |
| 2048, 2560, 3584, 4096, 5120, 6144, 7168, |
| 8192, 10240, 12288, 14336, 16384 |
| }; |
| final int subSteps = 15; |
| float[] results = new float[sizeK.length * subSteps]; |
| |
| nMemTestStart(b); |
| |
| float[] dat = new float[1000]; |
| postTextToView(mTextStatus, "Running Memory Latency test"); |
| for (int t = 0; t < 1000; t++) { |
| mLinesLow[t * 4 + 0] = (float)t; |
| mLinesLow[t * 4 + 1] = 498.f; |
| mLinesLow[t * 4 + 2] = (float)t; |
| mLinesLow[t * 4 + 3] = 500.f; |
| } |
| |
| for (int i = 0; i < sizeK.length; i++) { |
| postTextToView(mTextStatus, "Running " + sizeK[i] + " K"); |
| |
| float rtot = 0.f; |
| for (int j = 0; j < subSteps; j++) { |
| float ret = nMemTestLatency(b, sizeK[i] * 1024); |
| rtot += ret; |
| results[i * subSteps + j] = ret; |
| |
| if (ret > 400.f) ret = 400.f; |
| if (ret < 0.f) ret = 0.f; |
| mLinesLow[(i * subSteps + j) * 4 + 1] = 499.f - ret; |
| //android.util.Log.e("bench", "test bw " + sizeK[i] + " - " + ret); |
| mViewToUpdate.postInvalidate(); |
| } |
| rtot /= subSteps; |
| |
| if (sizeK[i] == 2) { |
| postTextToView(mTextMin, "2K " + rtot + " ns"); |
| } |
| if (sizeK[i] == 128) { |
| postTextToView(mTextMax, "128K " + rtot + " ns"); |
| } |
| if (sizeK[i] == 8192) { |
| postTextToView(mTextTypical, "8M " + rtot + " ns"); |
| } |
| |
| } |
| |
| nMemTestEnd(b); |
| postTextToView(mTextStatus, "Done"); |
| } |
| |
| void testCPUGFlops(long b) { |
| int[] sizeK = {1, 2, 3, 4, 5, 6, 7 |
| }; |
| final int subSteps = 15; |
| float[] results = new float[sizeK.length * subSteps]; |
| |
| nMemTestStart(b); |
| |
| float[] dat = new float[1000]; |
| postTextToView(mTextStatus, "Running Memory Latency test"); |
| for (int t = 0; t < 1000; t++) { |
| mLinesLow[t * 4 + 0] = (float)t; |
| mLinesLow[t * 4 + 1] = 498.f; |
| mLinesLow[t * 4 + 2] = (float)t; |
| mLinesLow[t * 4 + 3] = 500.f; |
| } |
| |
| for (int i = 0; i < sizeK.length; i++) { |
| postTextToView(mTextStatus, "Running " + sizeK[i] + " K"); |
| |
| float rtot = 0.f; |
| for (int j = 0; j < subSteps; j++) { |
| float ret = nGFlopsTest(b, sizeK[i] * 1024); |
| rtot += ret; |
| results[i * subSteps + j] = ret; |
| |
| if (ret > 400.f) ret = 400.f; |
| if (ret < 0.f) ret = 0.f; |
| mLinesLow[(i * subSteps + j) * 4 + 1] = 499.f - ret; |
| mViewToUpdate.postInvalidate(); |
| } |
| rtot /= subSteps; |
| |
| if (sizeK[i] == 2) { |
| postTextToView(mTextMin, "2K " + rtot + " ns"); |
| } |
| if (sizeK[i] == 128) { |
| postTextToView(mTextMax, "128K " + rtot + " ns"); |
| } |
| if (sizeK[i] == 8192) { |
| postTextToView(mTextTypical, "8M " + rtot + " ns"); |
| } |
| |
| } |
| |
| nMemTestEnd(b); |
| postTextToView(mTextStatus, "Done"); |
| } |
| |
| public void runPowerManagement() { |
| mLT.runCommand(mLT.TestPowerManagement); |
| } |
| |
| public void runMemoryBandwidth() { |
| mLT.runCommand(mLT.TestMemoryBandwidth); |
| } |
| |
| public void runMemoryLatency() { |
| mLT.runCommand(mLT.TestMemoryLatency); |
| } |
| |
| public void runCPUHeatSoak() { |
| mLT.runCommand(mLT.TestHeatSoak); |
| } |
| |
| public void runCPUGFlops() { |
| mLT.runCommand(mLT.TestGFlops); |
| } |
| } |