How a 40-line fix closed a 400x JVM performance gap on Linux systems
TL;DR OpenJDK replaced a procfs-based routine for ThreadMXBean.getCurrentThreadUserTime() with a clock_gettime() approach using a clockid bit trick. Benchmarks show the…
Wow News on Tech and AI
TL;DR OpenJDK replaced a procfs-based routine for ThreadMXBean.getCurrentThreadUserTime() with a clock_gettime() approach using a clockid bit trick. Benchmarks show the…