Vladimir Dolzhenko vladimirdolzhenko
vladimirdolzhenko
/ ThreadID.java
Last active
January 23, 2017 16:12
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| import java.lang.management.ManagementFactory; | |
| import javax.management.MBeanServer; | |
| import javax.management.ObjectName; | |
| /** | |
| * @author vladimir.dolzhenko | |
| * @since 2017-01-23 | |
| */ | |
| public class ThreadID { | |
| public static void main(String[] args) throws Exception { |
vladimirdolzhenko
/ BiasedTrollingTest.java
Created
January 16, 2017 14:07
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| /* | |
| Benchmark (doTrolling) Mode Cnt Score Error Units | |
| BiasedTrollingTest.string false avgt 5 6.672 ± 1.246 ns/op | |
| BiasedTrollingTest.string true avgt 5 22.096 ± 4.520 ns/op | |
| */ | |
| import java.util.concurrent.ExecutorService; | |
| import java.util.concurrent.Executors; |
vladimirdolzhenko
/ ScalePerfTest.java
Last active
January 9, 2017 12:19
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| /* | |
| Benchmark (troll) Mode Cnt Score Error Units | |
| ScalePerfTest.and false thrpt 5 3284.737 ▒ 40.893 ops/ms | |
| ScalePerfTest.and true thrpt 5 2557.755 ▒ 23.307 ops/ms | |
| ScalePerfTest.mod false thrpt 5 390.750 ▒ 29.481 ops/ms | |
| ScalePerfTest.mod true thrpt 5 298.419 ▒ 24.729 ops/ms | |
| ScalePerfTest.mod2 false thrpt 5 394.029 ▒ 6.302 ops/ms |
vladimirdolzhenko
/ BiasedLockingPerfTest
Created
December 28, 2016 09:27
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| package com; | |
| import java.util.concurrent.TimeUnit; | |
| import org.openjdk.jmh.annotations.Benchmark; | |
| import org.openjdk.jmh.annotations.BenchmarkMode; | |
| import org.openjdk.jmh.annotations.Fork; | |
| import org.openjdk.jmh.annotations.Measurement; | |
| import org.openjdk.jmh.annotations.Mode; | |
| import org.openjdk.jmh.annotations.OutputTimeUnit; |
vladimirdolzhenko
/ S.java
Created
December 2, 2016 17:13
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| import java.io.ByteArrayInputStream; | |
| import java.io.ByteArrayOutputStream; | |
| import java.io.ObjectInputStream; | |
| import java.io.ObjectOutputStream; | |
| import java.io.Serializable; | |
| /** | |
| * @author vladimir.dolzhenko | |
| * @since 2016-12-02 | |
| */ |
vladimirdolzhenko
/ JsonInternReadVanilla.java
Created
November 27, 2016 15:00
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| package com.fasterxml.jackson.perf.json; | |
| import com.fasterxml.jackson.core.JsonFactory; | |
| import com.fasterxml.jackson.databind.ObjectMapper; | |
| import com.fasterxml.jackson.perf.ReadPerfBaseFullJackson; | |
| import com.fasterxml.jackson.perf.data.InputConverter; | |
| import com.fasterxml.jackson.perf.model.MediaItem; | |
| import org.openjdk.jmh.annotations.OutputTimeUnit; | |
| import org.openjdk.jmh.annotations.Scope; | |
| import org.openjdk.jmh.annotations.State; |
vladimirdolzhenko
/ JsonNoInternReadVanillaTestCase.java
Created
November 27, 2016 10:28
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| package com.fasterxml.jackson.perf.data; | |
| import com.fasterxml.jackson.core.JsonFactory; | |
| import com.fasterxml.jackson.databind.JsonNode; | |
| import com.fasterxml.jackson.databind.ObjectMapper; | |
| import com.fasterxml.jackson.databind.ObjectReader; | |
| import org.junit.Test; | |
| import java.io.IOException; |
vladimirdolzhenko
/ PerfInternCache2.java
Last active
November 14, 2016 12:06
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| package perf; | |
| import java.io.IOException; | |
| import java.util.concurrent.TimeUnit; | |
| import com.fasterxml.jackson.core.JsonFactory; | |
| import com.fasterxml.jackson.core.JsonParser; | |
| import com.fasterxml.jackson.core.JsonToken; | |
| import org.openjdk.jmh.annotations.Benchmark; | |
| import org.openjdk.jmh.annotations.BenchmarkMode; |
vladimirdolzhenko
/ PerfInternCache.java
Created
November 13, 2016 08:30
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| package perf; | |
| import com.fasterxml.jackson.core.JsonFactory; | |
| import com.fasterxml.jackson.core.JsonParser; | |
| import com.fasterxml.jackson.core.JsonToken; | |
| import org.openjdk.jmh.annotations.Benchmark; | |
| import org.openjdk.jmh.annotations.BenchmarkMode; | |
| import org.openjdk.jmh.annotations.Fork; | |
| import org.openjdk.jmh.annotations.Measurement; | |
| import org.openjdk.jmh.annotations.Mode; |
vladimirdolzhenko
/ TestInternCache.java
Created
November 13, 2016 08:24
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| package perf; | |
| import com.fasterxml.jackson.core.JsonFactory; | |
| import com.fasterxml.jackson.core.JsonParser; | |
| import com.fasterxml.jackson.core.JsonToken; | |
| import org.junit.Test; | |
| /** | |
| * run with | |
| * <code>-verbose:gc -XX:+PrintGCDetails -Xloggc:gc.log</code> |