Can you be more specific? I don’t think occurrence info is used at all in STG.
Simon | -----Original Message----- | From: ghc-devs [mailto:ghc-devs-boun...@haskell.org] On Behalf Of Gabor | Greif | Sent: 01 August 2017 16:02 | To: ghc-devs <ghc-devs@haskell.org> | Subject: Occurrence info on binders and STG | | Hi devs! | | I just had a short exchange with Joachim, he sent me to this place. | | Can anybody explain how occurrence info is used in STG? | | Cheers and thanks, | | Gabor | | ---------- Forwarded message ---------- | From: Joachim Breitner <m...@joachim-breitner.de> | Date: Tue, 01 Aug 2017 10:47:48 -0400 | Subject: Re: [commit: ghc] master: Simplify OccurAnal.tagRecBinders | (b311096) | To: Gabor Greif <ggr...@gmail.com> | | Hi, | | feel free to CC the mailing list on such questions. I often don’t know | things perfectly either. | | Am Dienstag, den 01.08.2017, 16:43 +0200 schrieb Gabor Greif: | | > | > Loosely related question: | | Very loosely :-) | | | > - when doing STG Cse, the occurrence info is not updated when a | > wild(card)-binder is used. Is there a recommended way to re-run | > occ-analysis on STG? (I fear there is not.) | | I fear that too. It the occ info used past that stage? | | > - I noticed that "wild"-binders sometimes do not appear at their | > binding site (after "of" and "{") in STG dumps. Dumping gets | > suppressed when they are deemed dead. Should STG consider occ-info at | > all? | | Good questions. I remember that Simon commented on that before, but I | don’t remember where… | | | > oachim | -- | Joachim “nomeata” Breitner | m...@joachim-breitner.de • | https://na01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.joac | him- | breitner.de%2F&data=04%7C01%7Csimonpj%40microsoft.com%7Cf811a87d003a4dd67 | ae908d4d8ee5b7a%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636371965641 | 220522%7CUnknown%7CVW5rbm93bnx7IlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIj | oiT3RoZXIifQ%3D%3D%7C- | 1&sdata=cKuY1cGPJnfqqaV1wwGU5qCORpiquDNbDeA0ppgKH%2Bc%3D&reserved=0 | XMPP: nome...@joachim-breitner.de • OpenPGP-Key: 0xF0FBF51F | Debian Developer: nome...@debian.org | _______________________________________________ | ghc-devs mailing list | ghc-devs@haskell.org | https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fmail.hask | ell.org%2Fcgi-bin%2Fmailman%2Flistinfo%2Fghc- | devs&data=04%7C01%7Csimonpj%40microsoft.com%7Cf811a87d003a4dd67ae908d4d8e | e5b7a%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C636371965641220522%7CU | nknown%7CVW5rbm93bnx7IlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiT3RoZXIi | fQ%3D%3D%7C- | 1&sdata=IZBnhS28yxzjesQY%2B6j8%2B330rL1Vx2WO60r9nxPnOU0%3D&reserved=0 _______________________________________________ ghc-devs mailing list ghc-devs@haskell.org http://mail.haskell.org/cgi-bin/mailman/listinfo/ghc-devs
