jespersm/luhnybin — comment on commit 99cd5828f1568920883037c19a20ffb5fe6b7955
File:  line 0
By jespersm:

The test harness is too slow to measure much of a difference between the Java and C versions (only about 10% on my hardware).
When filtering a 230 MB log file, the Java version is 5x slower, and the C version is close to 'cat'.

The buffer-handling could be ported to Java for fairness.