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danielshaya / GCLogger.java
Last active March 16, 2018 08:15
Allocation free logging
package test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
public class GCLogger {
@danielshaya
danielshaya / gist:2489447979b7937423a228d6ed58c684
Created April 15, 2016 13:09
QFJLBHTask.java
package org.latency.quickfix;
import net.openhft.chronicle.core.Jvm;
import net.openhft.chronicle.core.jlbh.JLBHOptions;
import net.openhft.chronicle.core.jlbh.JLBHTask;
import net.openhft.chronicle.core.jlbh.JLBH;
import quickfix.*;
import quickfix.field.*;
import quickfix.fix42.ExecutionReport;
import quickfix.fix42.NewOrderSingle;
@danielshaya
danielshaya / TcpBenchmark.java
Created April 15, 2016 12:23
package org.latency.tcp;
import net.openhft.affinity.Affinity;
import net.openhft.chronicle.core.Jvm;
import net.openhft.chronicle.core.jlbh.JLBHOptions;
import net.openhft.chronicle.core.jlbh.JLBHTask;
import net.openhft.chronicle.core.jlbh.JLBH;
import net.openhft.chronicle.core.util.NanoSampler;
import java.io.EOFException;
@danielshaya
danielshaya / SimpleSpikeJLBHTask.java
Created April 15, 2016 11:11
package org.latency.spike;
import net.openhft.chronicle.core.Jvm;
import net.openhft.chronicle.core.jlbh.JLBH;
import net.openhft.chronicle.core.jlbh.JLBHOptions;
import net.openhft.chronicle.core.jlbh.JLBHTask;
/**
* A simple JLBH example to show the effects od accounting for co-ordinated omission.
* Toggle the accountForCoordinatedOmission to see results.
@danielshaya
danielshaya / DateSerialisedJLBHTCPTask.java
Created April 15, 2016 08:56
package org.latency.serialisation.date;
import net.openhft.affinity.Affinity;
import net.openhft.chronicle.core.Jvm;
import net.openhft.chronicle.core.jlbh.JLBHOptions;
import net.openhft.chronicle.core.jlbh.JLBHTask;
import net.openhft.chronicle.core.jlbh.JLBH;
import net.openhft.chronicle.core.util.NanoSampler;
import java.io.*;
@danielshaya
danielshaya / DateSerialisedJLBHTask.java
Created April 15, 2016 08:27
package org.latency.serialisation.date;
import net.openhft.chronicle.core.jlbh.JLBHOptions;
import net.openhft.chronicle.core.jlbh.JLBHTask;
import net.openhft.chronicle.core.jlbh.JLBH;
import java.io.*;
import java.lang.reflect.InvocationTargetException;
import java.util.Date;
@danielshaya
danielshaya / DateSerialiseJMH.java
Created April 15, 2016 08:23
package org.latency.serialisation.date;
import net.openhft.affinity.Affinity;
import net.openhft.chronicle.core.Jvm;
import net.openhft.chronicle.core.OS;
import org.openjdk.jmh.annotations.*;
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;
@danielshaya
danielshaya / ProducerConsumerJLBHTask.java
Created April 14, 2016 15:20
JLBH demo
package org.latency.prodcon;
import net.openhft.chronicle.core.jlbh.JLBH;
import net.openhft.chronicle.core.jlbh.JLBHOptions;
import net.openhft.chronicle.core.jlbh.JLBHTask;
import net.openhft.chronicle.core.util.NanoSampler;
import java.util.concurrent.*;
/**
@danielshaya
danielshaya / Test.java
Created April 11, 2016 15:04
package test;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.infra.Blackhole;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
@danielshaya
danielshaya / ChMapDemoAdvanced.java
Created January 27, 2016 09:59
package com.test;
import net.openhft.chronicle.map.ChronicleMap;
import net.openhft.chronicle.map.ChronicleMapBuilder;
import net.openhft.lang.model.DataValueClasses;
import net.openhft.lang.values.LongValue;
import java.io.File;
import java.io.IOException;