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Newsgroups: comp.lang.ada
Date: Wed, 19 Jun 2019 10:54:28 -0700 (PDT)
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Subject: Re: gprbuild -j8 on Windows 8.1?
From: Stephen Leake <stephen_leake@stephe-leake.org>
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Xref: reader01.eternal-september.org comp.lang.ada:56686
Date: 2019-06-19T10:54:28-07:00
List-Id: <comp.lang.ada>

On Sunday, June 16, 2019 at 10:54:16 PM UTC-7, Fraser Wilson wrote:
> On Thursday, 13 June 2019 05:10:04 UTC+2, Stephen Leake  wrote:
> > I'm using GNAT Community 2018.
> > 
> > I have a main program that takes an annoyingly long time to compile, so I tried 
> > 
> > gprbuild -j8
> > 
> > But it's no faster, and Windows Task Manager says it's using only one processor.
> > 
> > Is this just broken on Windows?
> > 
> > Does using AdaCores "bash implemented in Ada" help?
> > 
> > --  Stephe
> 
> Is it just the main program?  -j builds separate sources in parallel, but won't help with individual files.

yes, that's it. The main program does lots of generic instantiation, so it's slow. 

thanks.