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Re: [jgit-dev] Buck build for JGit
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Am 01.01.2016 3:56 vorm. schrieb Shawn Pearce <spearce@xxxxxxxxxxx>:
>
> On Thu, Dec 31, 2015 at 6:30 PM, Igor Fedorenko <igor@xxxxxxxxxxxxxx> wrote:
> > Out of curiosity, what build times do you see with these three build
> > systems?
>
> First build:
> mvn package: 7m19.584s
> buck build/test: 2m9.535s
>
> No-op rebuild:
> mvn: 8m16.095s
> buck: 0m8.296s
>
Do you know why exactly maven is so slow? How did you invoke it? Did you run with -T 1C ?
> Maven was run with current ~/.m2/repository cache, but otherwise clean
> (no target/ directories). So its time does not include downloading any
> dependencies and plugins.
>
> Buck had to download the dependencies for JGit as its cache was cold
> on this machine. Also, GcCommitSelectionTest takes over 60s on this
> machine. Buck would go faster if its long tail wasn't waiting for this
> test. Buck also would go faster for the no-op build if I was running
> its daemon; but I don't.
>
> Maven, its like watching paint dry.
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