This is also happening on Phabricator, which is causing the buildbot to choke:
https://phabricator.haskell.org/D112#4 On Mon, Aug 4, 2014 at 6:02 AM, Edward Z. Yang <[email protected]> wrote: > Yes, on my box, this test is now failing (because the stat is too good): > > Expected haddock.base(normal) max_bytes_used: 127954488 +/-10% > Lower bound haddock.base(normal) max_bytes_used: 115159039 > Upper bound haddock.base(normal) max_bytes_used: 140749937 > Actual haddock.base(normal) max_bytes_used: 113167424 > Deviation haddock.base(normal) max_bytes_used: -11.6 % > > Cheers, > Edward > > Excerpts from Simon Peyton Jones's message of 2014-08-04 08:21:50 +0100: >> Ha. max_bytes_used is vulnerable to exactly when gc strikes, so I'm >> disinclined to get stressed about this. I was mis-reading it as >> bytes-allocated. Interestingly it doesn't happen for me. >> >> Simon >> >> | -----Original Message----- >> | From: ghc-devs [mailto:[email protected]] On Behalf Of >> | Joachim Breitner >> | Sent: 01 August 2014 22:27 >> | To: [email protected] >> | Subject: Re: [commit: ghc] master: Bump haddock.base max_bytes_used >> | (8df7fea) >> | >> | Hi, >> | >> | >> | Am Freitag, den 01.08.2014, 20:28 +0000 schrieb Simon Peyton Jones: >> | > Urk. It's quite surprising that this particular change would >> | increase allocation significantly. >> | > I wonder whether it just pushed it over the threshold. >> | >> | I’m confident it was not just that: >> | >> | ~/logs $ fgrep 'Deviation haddock.base(normal) max_bytes_used' $(cd >> | ghc-master; git log --oneline --first-parent >> | db19c665ec5055c2193b2174519866045aeff09a..HEAD | cut -d\ -f1| (cd ..; >> | while read x ; do test -e $x.log && echo $x.log; done) |tac )|tail -n >> | 25 >> | 6fa6caa.log: Deviation haddock.base(normal) max_bytes_used: >> | 2.2 % >> | a0ff1eb.log: Deviation haddock.base(normal) max_bytes_used: - >> | 1.0 % >> | 0be7c2c.log: Deviation haddock.base(normal) max_bytes_used: >> | 2.2 % >> | dc7d3c2.log: Deviation haddock.base(normal) max_bytes_used: >> | 2.2 % >> | 7381cee.log: Deviation haddock.base(normal) max_bytes_used: >> | 2.2 % >> | fe2d807.log: Deviation haddock.base(normal) max_bytes_used: >> | 2.2 % >> | bfaa179.log: Deviation haddock.base(normal) max_bytes_used: - >> | 0.9 % >> | 1ae5fa4.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.0 % >> | c97f853.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.0 % >> | fd47e26.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.2 % >> | bdf0ef0.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.1 % >> | 58ed1cc.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.0 % >> | 1c1ef82.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.2 % >> | 52188ad.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.0 % >> | 3b9fe0c.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.2 % >> | 6483b8a.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.0 % >> | 9d9a554.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.2 % >> | 028630a.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.2 % >> | aab5937.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.0 % >> | 6c06db1.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.0 % >> | 2989ffd.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.1 % >> | d4d4bef.log: Deviation haddock.base(normal) max_bytes_used: >> | 11.2 % >> | 8df7fea.log: Deviation haddock.base(normal) max_bytes_used: - >> | 0.0 % >> | 3faff73.log: Deviation haddock.base(normal) max_bytes_used: - >> | 0.0 % >> | 02975c9.log: Deviation haddock.base(normal) max_bytes_used: - >> | 0.1 % >> | >> | >> | (If this were a bytes_allocated test I could also show you nice graphs >> | like http://ghcspeed-nomeata.rhcloud.com/timeline/?exe=2&base=2% >> | 2B68&ben=tests%2Falloc%2FT6048&env=1&revs=50&equid=on but I didn’t add >> | the max_bytes_used tests yet.) >> | >> | Interestingly, bytes_allocated did not change a bit! >> | >> | Greetings, >> | Joachim >> | >> | -- >> | Joachim “nomeata” Breitner >> | [email protected] • http://www.joachim-breitner.de/ >> | Jabber: [email protected] • GPG-Key: 0xF0FBF51F >> | Debian Developer: [email protected] >> > _______________________________________________ > ghc-devs mailing list > [email protected] > http://www.haskell.org/mailman/listinfo/ghc-devs -- Regards, Austin Seipp, Haskell Consultant Well-Typed LLP, http://www.well-typed.com/ _______________________________________________ ghc-devs mailing list [email protected] http://www.haskell.org/mailman/listinfo/ghc-devs
