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package org.javacs;
import java.nio.file.Paths;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.logging.Logger;
import org.openjdk.jmh.annotations.*;
@Warmup(iterations = 20, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Fork(1)
public class BenchmarkPruner {
@State(Scope.Benchmark)
public static class CompilerState {
public SourceFileObject file = file(false);
public SourceFileObject pruned = file(true);
public JavaCompilerService compiler = createCompiler();
private static SourceFileObject file(boolean prune) {
var file = Paths.get("src/main/java/org/javacs/JavaCompilerService.java").normalize();
if (prune) {
var contents = Pruner.prune(file.toUri(), "isWord");
return new SourceFileObject(file, contents);
} else {
return new SourceFileObject(file);
}
}
private static JavaCompilerService createCompiler() {
LOG.info("Create new compiler...");
var workspaceRoot = Paths.get(".").normalize().toAbsolutePath();
FileStore.setWorkspaceRoots(Set.of(workspaceRoot));
var classPath = new InferConfig(workspaceRoot).classPath();
return new JavaCompilerService(classPath, Collections.emptySet());
}
@Setup
public void setup() {
Profiler.quiet = true;
}
@TearDown
public void teardown() {
Profiler.quiet = false;
}
}
@Benchmark
public void pruned(CompilerState state) {
state.compiler.compileBatch(List.of(state.pruned)).close();
}
@Benchmark
public void plain(CompilerState state) {
state.compiler.compileBatch(List.of(state.file)).close();
}
private static final Logger LOG = Logger.getLogger("main");
}
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