[Haskell-cafe] GHC 7.0.1 developer challenges

[John D. Ramsdell]

Please excuse the grammar errors in my last post.  I was very tired.
The name of the package that supplies the free function on Linux is
procps, not procpc.  It's hosted on SourceForge.  To compile my
program, do the following:

$ mv memfree.txt memfree.l
$ make LDLIBS=-ll memfree

John

On Thu, Dec 9, 2010 at 11:36 PM, John D. Ramsdell <ramsdell0 at gmail.com> wrote:
> I found out how to compute a good memory limit for the GHC runtime on
> Linux systems.  One opens /proc/meminfo, and sums the free memory with
> the reclaimable memory.  The memory allocated to file buffers and the
> disk cache are reclaimable, and can be added to the memory of a
> growing GHC process.  Once you get beyond that memory size, thrashing
> is in your futures.
>
> I have enclosed a short lex program that computes the limit.  It's
> basically what is done by the procpc program called free, except that
> I printed only the number of interest to a GHC runtime.
>
> John
>