[Haskell-cafe] Re: How to decrease ghc link time

[Simon Marlow]

Georg Sauthoff wrote:
> Simon Marlow <simonmarhaskell at gmail.com> wrote:
> 
> Hi,
> 
>> Georg Sauthoff wrote:
>>> I am a bit unhappy with the link time of the project (i.e. the time ghc
>>> needs to link everyting).
>  
>>> The project consinst of ~60 Haskell and ~25 foreign files.
> [..]
> 
>> Make sure everything being linked is on the local file system (or use remote 
>> filesystems that can be cached locally).
> 
> thanks for the advice! Currently I am using NFS ... 
> 
>> GHC itself links in 2-3 seconds here on an x86_64/Linux machine, which I think 
>> is pretty reasonable.  Windows is much slower though.
> 
> Yes, that sounds ok, currently the project needs 6-7 seconds over NFS
> (under Solaris) ...

If you're using NFS v2, you might want to switch to v3 which has asyncronous 
writes (IIRC, Sun always stuck to the letter of the NFS spec and did synchronous 
writes where they were supposed to, whereas Linux has traditionally been a bit 
more relaxed with the standard).

Cheers,
	Simon