[parted-devel] Re: Darcs performance

[Simon Marlow]

leslie.polzer at gmx.net wrote:
> Hello David,
> 
>   thanks for your help.
> 
> 
>>Can you show us
>>
>>otavio$ darcs changes -s
>>
>>please?
> 
> Output here:
> 
>   http://www.viridian-project.de/darcs/parted/otavio/changes.txt
> 
> 
>>Or is this an accessible repository.
> 
> Find them all here:
> 
>   http://www.viridian-project.de/darcs/parted/
> 
> 
> 
>>Also, pull is always more efficient than push, so pulling
>>might work fine.
> 
> Same problem:
> 
>     1.8.x$ darcs pull ../otavio/
> 
>     Fail: realloc: resource exhausted (out of memory)
> 
> Interestingly enough, when I try to build darcs from source, I also get
> an "out of memory" error somewhere.  It seems to be GHC that's eating
> all the mem...

Maybe your virtual server has set a limit on the data size for a process, that 
may be smaller than the total memory size allocated to the virtual machine.  You 
said earlier that it was using 160M, how did you measure that?

If you run darcs with "+RTS -sstderr" you'll see how much memory the GHC heap 
was using (look for the "in use" figure).  But the GHC runtime doesn't allocate 
memory via realloc(), it uses mmap(), so this is probably memory that darcs 
itself is allocating.

Cheers,
	Simon