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From: Alex van Houten <sparrow2...@yahoo.com>
Subject: Re: bypassing the GIL
Date: Sat, 26 Feb 2011 12:09:21 +0000 (UTC)
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Message-ID: <loom.20110226T130746-310@post.gmane.org>
References: <loom.20110223T150907-934@post.gmane.org> <201102231655.47924.faltet@gmail.com> <loom.20110225T152630-...@post.gmane.org> <201102251657.53927.fal...@gmail.com>
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Francesc Alted <faltet <at> gmail.com> writes:

> >>> a = np.arange(12*256*256).reshape(12,256,256)
> >>> timeit s = cPickle.dumps(a,protocol=-1); b = cPickle.loads(s)
> 100 loops, best of 3: 13.2 ms per loop
> >>> 13.2*8    # you have 8 threads
> 105.59999999999999
> 
> i.e. 105 ms is pretty close to 120 ms in your machine.

Ok, thanks. I guess that means that switching to Sturla's sharedmem package will
not speed things up.

Alex.