Unexpected lack of change in ghcspeed results
Reid Barton
rwbarton at gmail.com
Thu Jan 28 18:08:09 UTC 2016
On Wed, Jan 27, 2016 at 5:35 PM, Reid Barton <rwbarton at gmail.com> wrote:
> Oh! I guess the name ghcspeed was too memorable... and browser bar
> autocompletion did the rest. Sorry for the noise!
>
I noticed that https://perf.haskell.org/ghc/ still says "GHC Speed" in the
page title and the page header, so now I don't feel quite so silly for
making this mistake. If http://ghcspeed-nomeata.rhcloud.com/ is not
supported any more, how about adding a notice to that page pointing people
to https://perf.haskell.org/ghc/?
Regards,
Reid Barton
> On Wed, Jan 27, 2016 at 5:23 PM, Joachim Breitner <
> mail at joachim-breitner.de> wrote:
>
>> Dear Reid,
>>
>> Am Mittwoch, den 27.01.2016, 14:50 -0500 schrieb Reid Barton:
>> > I was interested to see what effect the recent commit "Restore
>> > original alignment for info tables" (0dc7b36c) would have on
>> > performance. However, when I look at http://ghcspeed-nomeata.rhcloud.
>> > com/changes/?rev=0dc7b36c3c261b3eccf8460581fcd3d71f6e6ff6, I don't
>> > see the expected binary size increase (about 1%) that I got in local
>> > testing. Instead, the size increase appears to be attached to commit
>> > 0d92d9cb6d65fd00f9910c3f6f85bc6c68f5543b.
>> >
>> > I notice that these two commits, along with three others, were
>> > committed at exactly the same time (Wed Jan 27 11:32:15 2016 +0100),
>> > presumably in a rebase. Could this be confusing ghcspeed?
>> >
>>
>> heh, I’m surprised: Both that the ghcspeed server still runs, and that
>> people are still using it :-)
>>
>> Indeed, you observe correctly, ghcspeed does not handle git rebases
>> well. That was one of the reasons why I reimplemented the server from
>> scratch. It now runs under perf.haskell.org, and there the expected
>> changes are attributed to the right commit:
>>
>> https://perf.haskell.org/ghc/#revision/0dc7b36c3c261b3eccf8460581fcd3d71f6e6ff6
>>
>> Is ghcspeed still linked somewhere, or was it an old bookmark from you
>> that led you there?
>>
>> Greetings,
>> Joachim
>>
>> --
>> Joachim “nomeata” Breitner
>> mail at joachim-breitner.de • http://www.joachim-breitner.de/
>> Jabber: nomeata at joachim-breitner.de • GPG-Key: 0xF0FBF51F
>> Debian Developer: nomeata at debian.org
>>
>>
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>>
>
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