Arguably if you're not running enough jobs to justify a few minutes of
link-time LTO overhead, you should probably be building gem5.debug or
gem5.opt anyway... IIRC, the main purpose of --no-lto was to deal with
platforms/systems where LTO was outrageously expensive (several tens of
minutes, not just five).

Steve


On Wed, Jul 10, 2013 at 9:09 AM, Andreas Hansson <[email protected]>wrote:

> The fast binary is by default built using LTO as the assumption is that
> you only use fast to run a large chunks of experiments. You can disable
> LTO by passing --no-lto.
>
> Andreas
>
> On 10/07/2013 16:49, "Guru Prasad" <[email protected]> wrote:
>
> >Hi,
> >
> >While working with a really old version of gem5 (9197), incremental
> >building was really fast (usually under a minute).
> >However, with newer revisions (9801), although compiling is being done
> >incrementally and quick, the linking stage takes very long (about
> >5~6minutes)..
> >
> >Is there any configuration parameter I can set to improve this?
> >
> >Could this warning in any way be associated with the increased build time?
> >
> > [    LINK]  -> ARM/gem5.fast.unstripped
> >build/ARM/mem/comm_monitor.fo (symbol from plugin): warning: memset
> >used with constant zero length parameter; this could be due to
> >transposed parameters
> > [   STRIP] ARM/gem5.fast.unstripped -> .fast
> >
> >
> >Thanks
> >_______________________________________________
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> >http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
> >
>
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