[Haskell-cafe] Re: FFI and heap memory usage limit

Marcin Kosiba marcin.kosiba at gmail.com
Sun Jun 28 06:59:01 EDT 2009

On Friday 26 June 2009, Simon Marlow wrote:
> Maybe bzlib allocates using malloc()?  That would not be tracked by
> GHC's memory management, but could cause OOM.

probably, because it's a binding to a C library. I'm really busy right now, 
but I'll try and create a small program to repro this error.

> Another problem is that if you ask for a large amount of memory in one
> go, the request is usually honoured immediately, and then we GC shortly
> afterward.  If this is the problem for you, please submit a ticket and
> I'll see whether it can be changed.  You could work around it by calling
> System.Mem.performGC just before allocating the memory.

I've already worked around the problem.
Marcin Kosiba
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