simonmarhaskell:
Peter Firefly Brodersen Lund wrote:
Using top together with huge input files convinced me that -sstderr was untrustworthy so I developed the pause-at-end preloading hack. Paranoia paid off big time there.
In what way did you find -sstderr untrustworthy? Perhaps it is because the "memory in use" figure only counts memory that the RTS knows about, and doesn't include malloc()'d memory. If it's anything else, I need to know about it.
o can the core/stg code be made easier to read?
By all means - submit tickets with specific suggestions, or better still send patches.
It's also easier to read if you pipe it into hscolour. A little trick I use to get dynamic syntax highlighting of core: ghc A.hs -O2 -ddump-simpl --make | HsColour -tty | less -r will give you coloured, scrollable syntax highlighted core. -- Don