Comparison of JSON Serialization to File

This repository contains a JMH benchmark to measure the average time to serialize an Array of Objects to disk using;

• GSON
• JSON-B + yasson
• Jackson

N.B. this benchmark has been ran in a single thread, there is nothing to manage contention between threads writing to the same file

Results

Benchmark	Mode	Cnt	Score	Error	Units
SerializationBenchmark.testGson	avgt	50	65.464	± 1.232	us/op
SerializationBenchmark.testGsonNotFlushing	avgt	50	63.178	± 0.677	us/op
SerializationBenchmark.testJackson	avgt	50	29.759	± 0.239	us/op
SerializationBenchmark.testJsonB	avgt	50	116.546	± 1.216	us/op
SerializationBenchmark.testJsonBFileWriter	avgt	50	121.553	± 2.058	us/op

How to run

• Build benchmark

$ mkdir -p /tmp/benchdata/
$ mvn clean package

• Run Benchmark

$ java -jar target/benchmarks.jar  -wi 5 -i 10