[haiku-development] Re: Segmentation fault building jam on FreeBSD 9.0
- From: Ingo Weinhold <ingo_weinhold@xxxxxx>
- To: haiku-development@xxxxxxxxxxxxx
- Date: Tue, 14 Aug 2012 11:45:17 +0200
On 2012-08-14 at 09:01:22 [+0200], Simon Taylor <simontaylor1@xxxxxxxxxxxx>
wrote:
> On 14/08/2012 07:26, Fredrik Holmqvist wrote:
> > 2012/8/13 Joseph Prostko <joe.prostko@xxxxxxxxx>:
> >> Yeah, I think for consistency, either we should use -O in both places,
> >> or else -O3 -fno-strict-aliasing. [...]
> > IIRC correctly I switched that from -O to -O3 long ago, in the hope
> > that it would speed up build times.
>
> Apart from the ...patience... bit of the jam I suspect the vast majority
> of the build time is spent in the compiler, so jam's optimisation
> settings probably don't have a great deal of impact.
If you build a complete image, a few seconds don't make much of a
difference. Most of the time, however, developers only build one or two
components repeatedly, so that the jam warm-up time becomes relevant. So
some performance measuring would certainly be appreciated.
CU, Ingo
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