Re: [Haskell] GHC 64bit?

2004-02-13 Thread Ketil Malde
[EMAIL PROTECTED] (Donald Bruce Stewart) writes: SimonM may want to comment, but at the moment I think GHC is limited to 4G, but only due to lack of 64bit machines/demand on the developers. There is an IA64 port somewhere, and I suspect other 64-bit architectures as well. Presumably they

Re: [Haskell] GHC 64bit?

2004-02-13 Thread Axel Simon
On Fri, Feb 13, 2004 at 10:20:43AM +0100, Ketil Malde wrote: [EMAIL PROTECTED] (Donald Bruce Stewart) writes: SimonM may want to comment, but at the moment I think GHC is limited to 4G, but only due to lack of 64bit machines/demand on the developers. There is an IA64 port somewhere, and

Re: [Haskell] GHC 64bit?

2004-02-13 Thread Ketil Malde
Axel Simon [EMAIL PROTECTED] writes: There is an IA64 port somewhere, and I suspect other 64-bit architectures as well. Presumably they support 4Gb? I wonder if such an effort is worthwhile. If all pointers are suddenly twice the size then the footprint of a program roughly doubles.

Re: [Haskell] GHC 64bit?

2004-02-13 Thread Ketil Malde
Axel Simon [EMAIL PROTECTED] writes: There is an IA64 port somewhere, and I suspect other 64-bit architectures as well. Presumably they support 4Gb? I wonder if such an effort is worthwhile. If all pointers are suddenly twice the size then the footprint of a program roughly doubles.

Re: [Haskell] GHC 64bit?

2004-02-13 Thread Ben Rudiak-Gould
On 13 Feb 2004, Ketil Malde wrote: Axel Simon [EMAIL PROTECTED] writes: I wonder if such an effort is worthwhile. If all pointers are suddenly twice the size then the footprint of a program roughly doubles. [...] It would be interesting if Haskell programs could run in the lower 4 GB

RE: [Haskell] GHC 64bit?

2004-02-13 Thread Simon Marlow
alex: Is there a maximum memory GHC can use/reach? Specifically, can GHC address more than 4gb of memory? SimonM may want to comment, but at the moment I think GHC is limited to 4G, but only due to lack of 64bit machines/demand on the developers. If you look in ghc/rts/MBlock.h

RE: [Haskell] GHC 64bit?

2004-02-13 Thread S. Alexander Jacobson
Dell's poweredge server with the max 12gb RAM costs $15k. Moore's law says that 1. you only need an extra bit/year. 2. processing that extra bit will cost 50% less next year Though perhaps processing time is not linear with the number of bits for historical/architectural reasons? I presume

RE: [Haskell] GHC 64bit?

2004-02-13 Thread Simon Marlow
Dell's poweredge server with the max 12gb RAM costs $15k. Moore's law says that 1. you only need an extra bit/year. 2. processing that extra bit will cost 50% less next year Though perhaps processing time is not linear with the number of bits for historical/architectural reasons?

Re: [Haskell] GHC 64bit?

2004-02-12 Thread Donald Bruce Stewart
alex: Is there a maximum memory GHC can use/reach? Specifically, can GHC address more than 4gb of memory? SimonM may want to comment, but at the moment I think GHC is limited to 4G, but only due to lack of 64bit machines/demand on the developers. If you look in ghc/rts/MBlock.h you'll see