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How to make Python run as fast (or faster) than Julia


On Mon, Mar 05, 2018 at 04:09:48PM -0800, Dan Stromberg wrote:
> On Mon, Mar 5, 2018 at 3:53 PM, Python <python at bladeshadow.org> wrote:
> > On Sat, Mar 03, 2018 at 08:18:03AM +1100, Chris Angelico wrote:
> >> > Python is often a preferred solution because it is often fantastic for
> >> > rapid implementation and maintainability.  The GIL's interference
> >> > with threaded code performance has, for me at least, on several
> >> > occasions been...  disappointing (perf costs of removing it aside)
> >> > because it gets in the way of choosing Python for such solutions.
> >> > Jython and IronPython are simply not feasible options for me, for
> >> > multiple reasons that have zero to do with their technical
> >> > suitability.
> >>
> >> Have you actually tried it and run into problems,
> >
> > Yes.  It was years ago and I forget the details, but I even posted
> > some sample code here and was told (quite possibly by you) that it was
> > the GIL that was eating my lunch.  Someone suggested writing the bits
> > I wanted to thread as a C extension, which largely defeated the
> > purpose of using Python.  In at least one case I just used C++, and in
> > another I just ignored the problem until it went away.
> 
> So how about a little Cython?

Nope.  As a practical matter, the only Python option I have is
Python proper (i.e. CPython).