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Subject: Re: Performance measurement: Building openembedded-core with and without overclocking on C-i7 2600K
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On Tue, 2011-10-18 at 08:03 +0200, Ulf Samuelsson wrote:
> My comparision between 2 similar machines indicate that
> 32 bit 11.04 with Psyco-Dist is 20% faster than 64 bit with 11.04
> 
> The machine running 64 bit 11.04 was tested with 32 bit 11.04
> using an external disk (connected through e-SATA) and results
> were very close to the numbers for the other 32 bit machine
> 
> I didn't save those numbers but I think that is good enough
> to draw the conclusion that adding JIT for 64 bit (PyPy?) will reduce build
> time significantly.

You seem to have changed two things at once there (or perhaps just made
a bit too much of a leap in your conclusion).  Did you test 32-bit
without the JIT?

p.