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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Patches and discussions about the oe-core layer
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Date: Mon, 06 Feb 2012 16:22:00 +0000
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Subject: Re: Performance numbers
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On Mon, 2012-02-06 at 07:28 -0800, Khem Raj wrote:
> On Mon, Feb 6, 2012 at 5:01 AM, Richard Purdie
> <richard.purdie@linuxfoundation.org> wrote:
> >
> > On my 12 core system, build time for qemux86 from scratch is ~42
> > minutes. This compares favourably with previous numbers from that
> > system. Interestingly, switching to qemumips resulted in a build time of
> > 43 minutes in the same tmpdir suggesting that the native part of the
> > bootstrap process isn't the bottleneck.
> 
> are these both build from scratch or did mips use the native parts
> previously generated by x86
> I have also seen mips take a bit of more time. I think it could be
> owed to toolchain.

It used the native bits already generated so yes, it could be toolchain
speed differences...

Cheers,

Richard