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package org.javacs;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.*;
@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Fork(1)
public class BenchmarkPruner {
private static List<SourceFileObject> files = files(false);
private static List<SourceFileObject> pruned = files(true);
private static List<SourceFileObject> files(boolean prune) {
try {
var files = new ArrayList<SourceFileObject>();
var dir = Paths.get("src/main/java/org/javacs").normalize();
var it = Files.list(dir).iterator();
while (it.hasNext()) {
var file = it.next();
if (!Files.isRegularFile(file)) continue;
if (prune) {
var contents = Pruner.prune(file.toUri(), "isWord");
files.add(new SourceFileObject(file, contents));
} else {
files.add(new SourceFileObject(file));
}
}
return files;
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private static JavaCompilerService createCompiler() {
return new JavaCompilerService(Collections.emptySet(), Collections.emptySet());
}
@Benchmark
public void pruned() {
var compiler = createCompiler();
compiler.compileBatch(pruned);
}
@Benchmark
public void plain() {
var compiler = createCompiler();
compiler.compileBatch(files);
}
}
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