What could cause this sort of spike to occur? Is t...
# performanceg
Gabriel Feo
02/10/2022, 10:08 PMWhat could cause this sort of spike to occur? Is this a sign the daemon wasn’t “warm” enough (there were 6 warm-ups for each scenario in this case)
Gabriel Feo
02/10/2022, 10:22 PMBy the way, this was running inside a container on a CI machine dedicated to this benchmark at that point in time. The container image was derived from the official Gradle image and no processes are started other than
gradle-profilerw
wolfs
02/11/2022, 7:29 AMGarbage collection would be my assumption. Did you capture GC times?
n
no
02/11/2022, 7:59 AMCould also be thermal throttling.
l
lptr
02/11/2022, 1:37 PMYou can capture GC times by passing
--measure-gcg
Gabriel Feo
02/22/2022, 2:32 PMSorry I missed this. I didn’t look at GC, great point! Thank you all
@no I hope that’s improbable on AWS machines, but that’s a good point for local benchmarks. I hadn’t realized that could be a factor
n
no
02/22/2022, 3:26 PMEven AWS machines can thermally throttle. We've experienced this at Gradle when running benchmarks. Even when the vendor claimed that thermal throttling was disabled.
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