Re: [Haskell-cafe] Breaking ghci
Günther Schmidt wrote: ...*I* have managed to write code that ghc is not even able to compile due to exhausting virtual memory! Top that! Good work Günther! Joe Fredette wrote: Code or it didn't happen. :) Yes, how did you do it? Did it involve very large literals? GHC is known to have some limitations with that. For example, on my machine, a String literal that is larger than about 1 Gb will cause GHC to overflow the RTS stack. And a list literal with only a few thousand elements can cause GHC to suck up all memory and bring my computer to its knees. Examples: choke1 = \ \0123456789abcdef\ \0123456789abcdef\ . . . \ choke2 = [ 0,1,2,3,4,5,6,7, 0,1,2,3,4,5,6,7, . . . 0,1,2,3,4,5,6,7, 99] Regards, Yitz ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
Re: [Haskell-cafe] Breaking ghci
Hi guys, actually it involved haskelldb and a table that had 183 columns. In order to specify the table with its 183 columns I had to increase the context-stack slightly from 20 to a mere 190. Günther BTW there is one thing I find a bit unfortunate in otherwise flawless haskelldb, each column has to be made an instance of the class FieldTag, which makes it impossible to do this in a higer-orderish sort of way. Yitzchak Gale schrieb: Günther Schmidt wrote: ...*I* have managed to write code that ghc is not even able to compile due to exhausting virtual memory! Top that! Good work Günther! Joe Fredette wrote: Code or it didn't happen. :) Yes, how did you do it? Did it involve very large literals? GHC is known to have some limitations with that. For example, on my machine, a String literal that is larger than about 1 Gb will cause GHC to overflow the RTS stack. And a list literal with only a few thousand elements can cause GHC to suck up all memory and bring my computer to its knees. Examples: choke1 = \ \0123456789abcdef\ \0123456789abcdef\ . . . \ choke2 = [ 0,1,2,3,4,5,6,7, 0,1,2,3,4,5,6,7, . . . 0,1,2,3,4,5,6,7, 99] Regards, Yitz ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
[Haskell-cafe] Breaking ghci
Hi folks, I would like to announce that I have not merely managed to make the RTS choke during runtime on stack overflows like lesser programmers, no, *I* have managed to write code that ghc is not even able to compile due to exhausting virtual memory! Top that! Günther ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
Re: [Haskell-cafe] Breaking ghci
Code or it didn't happen. :) Günther Schmidt wrote: Hi folks, I would like to announce that I have not merely managed to make the RTS choke during runtime on stack overflows like lesser programmers, no, *I* have managed to write code that ghc is not even able to compile due to exhausting virtual memory! Top that! Günther ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe begin:vcard fn:Joseph Fredette n:Fredette;Joseph adr:Apartment #3;;6 Dean Street;Worcester;Massachusetts;01609;United States of America email;internet:jfred...@gmail.com tel;home:1-508-966-9889 tel;cell:1-508-254-9901 x-mozilla-html:FALSE url:lowlymath.net, humbuggery.net version:2.1 end:vcard ___ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
