Excerpts from Zulox4's message of Sun Mar 24 11:43:30 +0100 2013:
> Hello,
> I wrote the P() Vimscript function to compute Π. A C language compiled
> version take about 2 seconds to return the result (1200 chars string).
> But the Vim script take about 47 seconds.
> Could I do something to speed up the script ? Thanks.
Again - VimL is known to be slow if you want to do massive computation.
It simple is the wrong tool and was never designed to perform well for such use
cases.
Vim is a text editor only - which allows you to use external (speedy)
tools in simple ways like this:
<c-r>=system('pi 20')<cr> or such.
pi could be a C program, or it could be written in JS (jitting), or
julia or whatever language you like.
> " Computing Π is a stress test for a computer--a kind of "digital
> cardiogram." " -> from the book: "Blatner, David. 1997. The Joy of
> Pi" .
Why stress test VimL in this way? We all know it does not JIT - and that
there are specialized languages to perform will for such use cases.
Marc Weber
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