compiling PrimOp.lhs

Simon Marlow simonmar at microsoft.com
Mon May 17 08:27:12 EDT 2004


On 17 May 2004 09:05, Simon Peyton-Jones wrote:

> I advise against giving -H flags to GHC if you have plenty of memory.
> Might push up your GC time a lot.

I think you mean -M.  The -H flag just increases the default heap size,
and can only make compilation faster (ignoring cache effects).  The -M
flag sets a limit on the heap size, and will cause the compacting
collector to kick in when the limit is approached.

Cheers,
	Simon


More information about the Glasgow-haskell-bugs mailing list