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* Copyright 2017-2024 Venice
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* 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
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package com.github.jlangch.venice.impl.specialforms.util;
import java.util.ArrayList;
import java.util.List;
import com.github.jlangch.venice.impl.IFormEvaluator;
import com.github.jlangch.venice.impl.InterruptChecker;
import com.github.jlangch.venice.impl.env.Env;
import com.github.jlangch.venice.impl.thread.ThreadContext;
import com.github.jlangch.venice.impl.types.Constants;
import com.github.jlangch.venice.impl.types.VncFunction;
import com.github.jlangch.venice.impl.types.VncJust;
import com.github.jlangch.venice.impl.types.VncKeyword;
import com.github.jlangch.venice.impl.types.VncLong;
import com.github.jlangch.venice.impl.types.VncString;
import com.github.jlangch.venice.impl.types.VncVal;
import com.github.jlangch.venice.impl.types.collections.VncList;
public class Benchmark {
public static VncList benchmark(
final long warmUpIterations,
final long gcRuns,
final long iterations,
final VncVal expr,
final VncFunction statusFn,
final Env env,
final IFormEvaluator evaluator
) {
try {
// warmup
statusFn.applyOf(new VncString("Warmup..."));
final VncList warmupSamples = samples(warmUpIterations, expr, env, evaluator);
storeToHole(warmupSamples);
long batchSize = 1;
// final VncList sortedUp = (VncList)CoreFunctions.sort.applyOf(warmupSamples);
// final VncList samples = (VncList)TransducerFunctions.take.applyOf(
// new VncLong(Math.min(100, sortedUp.size())),
// sortedUp);
// final long warmupElapsed = ((VncNumber)MathFunctions.mean.apply(samples)).toJavaLong();
// if (warmupElapsed < 1000) batchSize = 1000;
// else if (warmupElapsed < 10000) batchSize = 100;
// GC
statusFn.applyOf(new VncString("GC..."));
runGCs(gcRuns);
sleep(1000L);
// measure overhead
final long overheadPerSample = measureSampleOverhead();
runGCs(1);
// sampling
statusFn.applyOf(new VncString("Sampling..."));
final VncList iterationSamples = samples(iterations, batchSize, overheadPerSample, expr, env, evaluator);
return iterationSamples;
}
finally {
ThreadContext.removeValue(benchVal);
}
}
private static VncList samples(
final long iterations,
final VncVal expr,
final Env env,
final IFormEvaluator evaluator
) {
return samples(iterations, 1L, 0L, expr, env, evaluator);
}
private static VncList samples(
final long iterations,
final long batchSize,
final long overheadPerSample,
final VncVal expr,
final Env env,
final IFormEvaluator evaluator
) {
if (batchSize == 1) {
final List elapsed = new ArrayList<>();
for(int ii=0; ii elapsed = new ArrayList<>();
final long batchedIterations = iterations/batchSize + 1L;
for(int ii=0; ii
