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	1,110,249	5,040,360	no	53
FastCSV	8,231,931	14,269,018	no	64
Jackson CSV	8,083,378	11,079,851	yes	2,340
Java CSV	4,040,709	1,227,322	no	13
Opencsv	2,392,392	3,200,551	yes	2,703
Sfm+ASM	10,061,419	1,914,414	yes	1,498
Sfm-ASM	7,771,892	1,914,414	yes	1,498
Super CSV	1,697,153	3,137,439	no	96
Univocity	6,376,460	7,469,044	no	437

Library details

• Commons CSV 1.10.0
• FastCSV 3.0.0
• Jackson CSV 2.16.1
• Java CSV 2.0
• Opencsv 5.9
• Sfm (SimpleFlatMapper) 8.2.3 (w/ and w/o ASM bytecode manipulation)
• Super CSV 2.4.0
• Univocity 2.9.1

Environment

• Apple M2
• macOS 14.2.1
• Java 21, OpenJDK 64-Bit Server VM Temurin-21.0.1+12 (build 21.0.1+12-LTS, mixed mode)
• JMH 1.37