The Speed of Time
Brendan Gregg
SEPTEMBER 25, 2021
Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? Amazon even provides an official [recommendation] (2021): "For EC2 instances launched on the AWS Xen Hypervisor, it's a best practice to use the tsc clock source. Microbenchmark os::javaTimeMillis() on both systems.
Let's personalize your content