Have a look the the -M RTS option (default is 256M on Win32, not unlimited.)
--sigbjorn ----- Original Message ----- From: "Hal Daume III" <[EMAIL PROTECTED]> To: "GHC Users Mailing List" <[EMAIL PROTECTED]> Sent: Monday, April 15, 2002 08:04 Subject: max heap exhausted > What does it mean when my program tells me: > > "fatal error: RTS exhausted max heap size (268435456 bytes)" > > ? > > My initial understanding was the GHC allocated (perhaps dynamically) a > heap of unlimited size (at least so says +RTS -help) and when I run my > (long memory grabbing) program without any RTS flags it gets about 1/4 of > the way done (on my Windows box -- this is ghc5.03 the original > snapshot) and then tells me this. > > So I go to increase the heap (i have 1g of ram) so I say "+RTS -H512m" and > immediately it comes back to me with the same error (presumably in trying > to allocate the heap?). > > I think there are really two error messages going on here: the first is > truly that the heap is exhausted, but the second is more of "I can't > allocate that much". Am I correct? If so, why not? I can run it with > -H300m, but not -H350m (on the first RTS doesn't complain until later; on > the second it complains immediately). How can I give my program more heap > and why does -H300m give it more heap than without any RTS options which > should give it unlimited heap? > > - Hal > > -- > Hal Daume III > > "Computer science is no more about computers | [EMAIL PROTECTED] > than astronomy is about telescopes." -Dijkstra | www.isi.edu/~hdaume > > _______________________________________________ > Glasgow-haskell-users mailing list > [EMAIL PROTECTED] > http://www.haskell.org/mailman/listinfo/glasgow-haskell-users _______________________________________________ Glasgow-haskell-users mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/glasgow-haskell-users
