Re: [Haskell] performance tuning Data.FiniteMap

2004-03-02 Thread Carsten Schultz
Hi Simon! On Fri, Feb 27, 2004 at 09:20:40AM -, Simon Peyton-Jones wrote: > There are several things that aren't research issues: notably, faster > copying, fewer intermediate lists, fewer state-monad-induced > intermediate closures. These are things that would move sharply up our > priority

Re: [Haskell] performance tuning Data.FiniteMap

2004-03-02 Thread Malcolm Wallace
MR K P SCHUPKE <[EMAIL PROTECTED]> writes: > I was thinking about improving array performance, and was wondering > if a transactional model would work well. > > I would be interested in any comments... I suspect somebody has done this > before, but I havent looked for any papers yet. O'Neill and

RE: [Haskell] performance tuning Data.FiniteMap

2004-03-02 Thread MR K P SCHUPKE
I was thinking about improving array performance, and was wondering if a transactional model would work well. You would keep a base copy of the array, and any writes would be written to a delta style transaction list. A reference to the array would be the list plus the base array. Different refere

RE: [Haskell] performance tuning Data.FiniteMap

2004-02-27 Thread Simon Peyton-Jones
Cc: [EMAIL PROTECTED] | Subject: RE: [Haskell] performance tuning Data.FiniteMap | | Is fixing GHC arrays a big research job or is it | something that someone can straightforwardly | handle if my site actually gets enough traffic to | warrant it? | | -Alex- | | On Thu, 26 Feb 2004, Simon Peyton-J