Re:Crystal: Fast as C, Slick as Ruby
by user5994461 on Thursday August 04, 2016 @01:13PM
(#12227016)
"GCs are complex and require lots of end-user tuning -- just look at the performance articles on Java."
These articles are bullshit. Most settings are either obsolete or forcing the default. The rest is just useless.
I spent months doing performance tuning of applications stacks which were using Java (for app, database or both). Most of the settings are useless and barely change +-1% in performance.
The JVM has had good defaults for a while. The only thing one MUST configure is the -Xmn and -Xmx options to set the maximum amount of memory allocated to the java process (both settings to the same value).
These articles are bullshit. Most settings are either obsolete or forcing the default. The rest is just useless.
I spent months doing performance tuning of applications stacks which were using Java (for app, database or both). Most of the settings are useless and barely change +-1% in performance.
The JVM has had good defaults for a while. The only thing one MUST configure is the -Xmn and -Xmx options to set the maximum amount of memory allocated to the java process (both settings to the same value).