[gambit-list] gambit 4.6.4 taking long time to compile blackhole

Álvaro Castro-Castilla alvaro.castro.castilla at gmail.com
Wed Feb 15 17:59:39 EST 2012


Marc,

With -O1 compilation is feasible, takes as long as it had with 4.6.3.
I can't really tell you the time it takes with O2, since my computer can't
handle it.
Also can't compile with --enable-gcc-opts.
gcc version 4.5.3




2012/2/15 Marc Feeley <feeley at iro.umontreal.ca>

>
> On 2012-02-15, at 4:32 PM, Álvaro Castro-Castilla wrote:
>
> > Hi,
> >
> > I'm trying gambit 4.6.4 under Ubuntu 32bits, 64 bits and Gentoo 64 bits.
> It compiles fine in these systems. However:
> >
> > - Ubuntu 32 bits: fails to compile blackhole, with an out of memory error
> > - Ubuntu 64 bits: compiles, but on a 16gb ram machine.
> > - Gentoo 64 bits: uses all 4gb of ram and takes forever using swap. I
> didn't finish compiling, because taking that long makes it impossible to
> develop Blackhole.
> >
> > I've read in the git commits that now the default flag is -O2, could
> this be the reason?
>
> It could.  Please modify the configure script so that it uses -O1 and
> check if that works better.  I would be interested in the time both ways,
> and the version of your gcc.
>
> Marc
>
>
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