Here are benchmarking results for «Java: Exploring JNI performance via Decoding Base64» blog post.

The performance tests are performed via JMH. The configuration of a hardware is Intel® Core™ i7-1165G7 @ 2.80GHz × 8 (4 core + 4 HT) with 16 GB RAM. Scala version: 2.13.6.


avg - average, min - minimal, p50 - percentile 50 (median), p95 - percentile 95, p99 - percentile 99, max - maximum

Encoding/Decoding Performance for various JDKs

Performance for different data sizes

base64_simd: bazel vs cargo

Full JMH logs:openjdk-8, openjdk-11, openjdk-17.