python performance on Solaris
nytrokiss at gmail.com
Wed Oct 14 21:29:27 CEST 2009
I use python in almost the same environment. I use it on Joyent and on the
Rackspace cloud. Joyent is faster for a few reasons (cpu bursting and faster
disks) but these aren't real benchmarks until they are on the same machines.
On Wed, Oct 14, 2009 at 9:59 AM, Jorgen Grahn
<grahn+nntp at snipabacken.se<grahn%2Bnntp at snipabacken.se>
> On Wed, 2009-10-14, Antoine Pitrou wrote:
> > inaf <cem.ezberci <at> gmail.com> writes:
> >> Good point. I failed to compare the CPU power on these machines.. 32
> >> bit linux box I have is 2666 Mhz vs the Solaris zone is 1415 Mhz.. I
> >> guess that explains :) Thank you for the tip..
> > You have to compare not only CPU frequencies but the CPU models.
> Yes, at least that. Megahertz figures have been useless for decades,
> except in advertising.
> > Recently Sun has been selling CPUs optimized for multi-threading (e.g.
> > "UltraSPARC T2" or Niagara CPUs) which have, by design, very poor
> > single-threaded performance. If your Solaris zone uses such a CPU then a
> > difference in single-threaded performance compared to a modern Intel
> > or AMD CPU
> > is totally expected.
> (Had to Google it. A "Solaris Zone" is apparently some kind of
> virtualization thing, with low CPU overhead.)
> s/multi-threading/multi-programming/ I suppose. I certainly hope you
> can still get performance while running many separate true processes in
> // Jorgen Grahn <grahn@ Oo o. . .
> \X/ snipabacken.se> O o .
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