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Implement radix tree based
JavaTypeCache (#4552)
* Implement ART-based `JavaTypeCache` An adaptive radix tree based implementation of `JavaTypeCache`. This uses slightly more memory than the existing Snappy-based implementation (10-15%), but inserts are around 50% faster and reads about 100% faster. * Add missing license header * Add missing `@Override` * Polish * Polish * Polish
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70 changes: 70 additions & 0 deletions
70
rewrite-benchmarks/src/jmh/java/org/openrewrite/benchmarks/java/JavaParserBenchmark.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,70 @@ | ||
| /* | ||
| * Copyright 2022 the original author or authors. | ||
| * <p> | ||
| * 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 | ||
| * <p> | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * <p> | ||
| * 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 org.openrewrite.benchmarks.java; | ||
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|
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| import org.openjdk.jmh.annotations.*; | ||
| import org.openjdk.jmh.infra.Blackhole; | ||
| import org.openjdk.jmh.profile.GCProfiler; | ||
| import org.openjdk.jmh.runner.Runner; | ||
| import org.openjdk.jmh.runner.RunnerException; | ||
| import org.openjdk.jmh.runner.options.Options; | ||
| import org.openjdk.jmh.runner.options.OptionsBuilder; | ||
| import org.openrewrite.InMemoryExecutionContext; | ||
| import org.openrewrite.java.JavaParser; | ||
| import org.openrewrite.java.internal.AdaptiveRadixJavaTypeCache; | ||
| import org.openrewrite.java.internal.JavaTypeCache; | ||
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|
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| import java.net.URISyntaxException; | ||
| import java.util.concurrent.TimeUnit; | ||
|
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| @Fork(1) | ||
| @Measurement(iterations = 2) | ||
| @Warmup(iterations = 2) | ||
| @BenchmarkMode(Mode.Throughput) | ||
| @OutputTimeUnit(TimeUnit.SECONDS) | ||
| @Threads(4) | ||
| public class JavaParserBenchmark { | ||
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| @Benchmark | ||
| public void snappy(JavaCompilationUnitState state, Blackhole bh) { | ||
| JavaTypeCache typeCache = new JavaTypeCache(); | ||
| JavaParser parser = state.javaParser.typeCache(typeCache).build(); | ||
| parser | ||
| .parse(state.inputs, null, new InMemoryExecutionContext()) | ||
| .forEach(bh::consume); | ||
| } | ||
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| @Benchmark | ||
| public void adaptiveRadix(JavaCompilationUnitState state, Blackhole bh) { | ||
| AdaptiveRadixJavaTypeCache typeCache = new AdaptiveRadixJavaTypeCache(); | ||
| JavaParser parser = state.javaParser.typeCache(typeCache).build(); | ||
| parser | ||
| .parse(state.inputs, null, new InMemoryExecutionContext()) | ||
| .forEach(bh::consume); | ||
| } | ||
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| public static void main(String[] args) throws RunnerException, URISyntaxException { | ||
| Options opt = new OptionsBuilder() | ||
| .include(JavaParserBenchmark.class.getSimpleName()) | ||
| .addProfiler(GCProfiler.class) | ||
| .shouldFailOnError(true) | ||
| .build(); | ||
| new Runner(opt).run(); | ||
| JavaCompilationUnitState state = new JavaCompilationUnitState(); | ||
| state.setup(); | ||
| state.printMemory(); | ||
| } | ||
| } |
81 changes: 81 additions & 0 deletions
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rewrite-benchmarks/src/jmh/java/org/openrewrite/benchmarks/java/JavaTypeCacheBenchmark.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| /* | ||
| * Copyright 2022 the original author or authors. | ||
| * <p> | ||
| * 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 | ||
| * <p> | ||
| * https://www.apache.org/licenses/LICENSE-2.0 | ||
| * <p> | ||
| * 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 org.openrewrite.benchmarks.java; | ||
|
|
||
| import org.openjdk.jmh.annotations.*; | ||
| import org.openjdk.jmh.infra.Blackhole; | ||
| import org.openjdk.jmh.profile.GCProfiler; | ||
| import org.openjdk.jmh.runner.Runner; | ||
| import org.openjdk.jmh.runner.RunnerException; | ||
| import org.openjdk.jmh.runner.options.Options; | ||
| import org.openjdk.jmh.runner.options.OptionsBuilder; | ||
| import org.openrewrite.java.internal.JavaTypeCache; | ||
| import org.openrewrite.java.internal.AdaptiveRadixJavaTypeCache; | ||
|
|
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| import java.net.URISyntaxException; | ||
| import java.util.Map; | ||
| import java.util.concurrent.TimeUnit; | ||
|
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||
| @Fork(1) | ||
| @Measurement(iterations = 2) | ||
| @Warmup(iterations = 2) | ||
| @BenchmarkMode(Mode.Throughput) | ||
| @OutputTimeUnit(TimeUnit.SECONDS) | ||
| @Threads(4) | ||
| public class JavaTypeCacheBenchmark { | ||
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| @Benchmark | ||
| public void writeSnappy(JavaCompilationUnitState state, Blackhole bh) { | ||
| JavaTypeCache typeCache = new JavaTypeCache(); | ||
| for (Map.Entry<String, Object> entry : state.typeCache.map().entrySet()) { | ||
| typeCache.put(entry.getKey(), entry.getValue()); | ||
| } | ||
| } | ||
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| @Benchmark | ||
| public void writeAdaptiveRadix(JavaCompilationUnitState state, Blackhole bh) { | ||
| AdaptiveRadixJavaTypeCache typeCache = new AdaptiveRadixJavaTypeCache(); | ||
| for (Map.Entry<String, Object> entry : state.typeCache.map().entrySet()) { | ||
| typeCache.put(entry.getKey(), entry.getValue()); | ||
| } | ||
| } | ||
|
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| @Benchmark | ||
| public void readSnappy(JavaCompilationUnitState state, Blackhole bh) { | ||
| for (Map.Entry<String, Object> entry : state.typeCache.map().entrySet()) { | ||
| bh.consume(state.snappyTypeCache.get(entry.getKey())); | ||
| } | ||
| } | ||
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| @Benchmark | ||
| public void readAdaptiveRadix(JavaCompilationUnitState state, Blackhole bh) { | ||
| for (Map.Entry<String, Object> entry : state.typeCache.map().entrySet()) { | ||
| bh.consume(state.radixMapTypeCache.get(entry.getKey())); | ||
| } | ||
| } | ||
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| public static void main(String[] args) throws RunnerException, URISyntaxException { | ||
| Options opt = new OptionsBuilder() | ||
| .include(JavaTypeCacheBenchmark.class.getSimpleName()) | ||
| .addProfiler(GCProfiler.class) | ||
| .shouldFailOnError(true) | ||
| .build(); | ||
| new Runner(opt).run(); | ||
| JavaCompilationUnitState state = new JavaCompilationUnitState(); | ||
| state.setup(); | ||
| state.printMemory(); | ||
| } | ||
| } |
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