[Haskell-cafe] Need for speed: the Burrows-Wheeler Transform
Philippa Cowderoy
flippa at flippac.org
Fri Jun 22 17:29:51 EDT 2007
On Fri, 22 Jun 2007, Andrew Coppin wrote:
> Woah... What the hell? I just switched to Data.ByteString.Lazy and WHAM! Vast
> speed increases... Jeepers, I can transform 52 KB so fast I can't even get to
> Task Manager fast enough to *check* the RAM usage! Blimey...
>
> OK, just tried the 145 KB test file that Mr C++ used. That took 2 seconds + 43
> MB RAM. Ouch.
>
A note re RAM usage: it behaves differently in a GCed environment, you
might want to see if it runs with a smaller max heap size. Obviously
you'll spend more time GCing.
--
flippa at flippac.org
"My religion says so" explains your beliefs. But it doesn't explain
why I should hold them as well, let alone be restricted by them.
More information about the Haskell-Cafe
mailing list