Java CSV library benchmark suite

This benchmark project was created for the development of FastCSV.

The benchmarks were written with JMH.

Compile and execute tests

./gradlew jmh --no-daemon --console plain

Results

Library	Read (rec/sec)	Write (rec/sec)	Dependencies	Size (KiB)
Commons CSV	3,129,552	1,092,389	yes	923
FastCSV	8,827,121	14,178,012	no	64
Jackson CSV	8,083,356	11,123,561	yes	2,389
Java CSV	4,056,162	1,417,442	no	13
Opencsv	2,467,768	3,315,426	yes	2,703
picocsv	7,390,977	11,615,948	no	26
Sfm+ASM	9,851,937	1,918,364	yes	1,536
Sfm-ASM	6,601,141	1,918,364	yes	1,535
Super CSV	1,731,093	2,666,085	no	96
Univocity	6,255,817	7,542,102	no	437

Library details

• Commons CSV 1.12.0
• FastCSV 3.3.1
• Jackson CSV 2.18.0
• Java CSV 2.0
• Opencsv 5.9
• picocsv 2.4.0
• Sfm (SimpleFlatMapper) 9.0.2 (w/ and w/o ASM bytecode manipulation)
• Super CSV 2.4.0
• Univocity 2.9.1

Environment

• Apple M2
• macOS 15.1
• Java 21, OpenJDK 64-Bit Server VM Temurin-21.0.1+12 (build 21.0.1+12-LTS, mixed mode)
• JMH 1.37