Perf test failing: Trac #13668

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Perf test failing: Trac #13668

GHC - devs mailing list

Test perf/compiler/T9675 is failing (dramatically) for me.

See https://ghc.haskell.org/trac/ghc/ticket/13668

Is it not failing for anyone else?

Why does https://perf.haskell.org/ghc/ not show it up?

Could someone (Reid?) track down which patch made it go bad?

Simon


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Re: Perf test failing: Trac #13668

Joachim Breitner-2
Hi,

Am Dienstag, den 09.05.2017, 07:39 +0000 schrieb Simon Peyton Jones via
ghc-devs:
> Why does https://perf.haskell.org/ghc/ not show it up?

I found that max_bytes_used perf tests are too unreliable and flaky,
and add too much noise to the performance reports, so perf.haskell.org
ignores these.

Joachim
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Re: Perf test failing: Trac #13668

Ben Gamari-2
In reply to this post by GHC - devs mailing list
Simon Peyton Jones via ghc-devs <[hidden email]> writes:

> Test perf/compiler/T9675 is failing (dramatically) for me.
> See https://ghc.haskell.org/trac/ghc/ticket/13668
> Is it not failing for anyone else?
> Why does https://perf.haskell.org/ghc/ not show it up?
> Could someone (Reid?) track down which patch made it go bad?

It was my "simplification" to Reid's patch,
b3da6a6c3546562d5c5e83b8af5d3fd04c07e0c1, that regressed it. I still
don't know why I didn't see this in my previous local testing, but I did
start noticing it last night.

Cheers,

- Ben

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