JEP 248: Make G1 the Default Garbage Collector

Andrew Haley aph at
Fri Jul 31 17:07:20 UTC 2015

On 07/31/2015 05:35 PM, Jungwoo Ha wrote:
> IIRC, javac is spent most of the time in JIT-ed code

Yes, it does.  But it also spends quite a lot of time in G1 Evacuation
Pauses, which seem to be running at about 150ms (approximately every
second or two) on one of my ARM systems.  Less of the total time is
spent doing GC pauses on one of my x86 systems; I don't know why this.
I guess it could be the memory architecture or the quality of the C


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