incremental linking?

[Simon Marlow]

> On Wed, Nov 27, 2002 at 09:50:56AM -0000, Simon Marlow wrote:
>=20
> > > More fun with Haskell-in-the-large: linking time has become the
> > > main bottleneck in our development cycle. The standard solution
> > > would be to use an incremental linker, but it seems that gnu does
> > > not yet support this:-|
> >=20
> > Hmm, I've never heard of linking being a bottleneck.
>=20
> The runtime loader stuff I'm working on[1] takes around 10
> seconds to compile ... and 3 minutes to link it with libHSbase
> and libHSrts.  (This is on a 500MHz PIII).  Linking is a huge
> bottleneck once you start linking in the Haskell libraries; ld
> takes up enormous amounts of CPU time resolving symbols,
> I think.
>=20
> 1.=20
> http://www.algorithm.com.au/wiki/hacking/haske> ll.ghc_runtime_loading

3 minutes???!!

I just downloaded your example code, did './configure && make' and the
link step took about 3 seconds.  This is also on a 500MHz PIII.

Are you sure you're not getting libHSbase over NFS?  There may be
something that ld is doing that causes a lot of NFS traffic.

Cheers,
	Simon