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Re: st: vectorizing code in Mata

From   Austin Nichols <>
Subject   Re: st: vectorizing code in Mata
Date   Tue, 4 Oct 2011 10:10:31 -0400

Patrick Roland <>:
These kinds of things can be pretty problem-specific.  Sometimes a
faster matrix-algebra-style calculation can choke on memory
constraints, too, where an only slightly slower loop can function just

On Mon, Oct 3, 2011 at 7:43 PM, Patrick Roland
<> wrote:
> I was wondering if people have experience with the kinds of
> performance gains that occur from vectorizing code (rather than
> looping) in Mata. Here it gives an example of where mata is fast
> enough to work at the element level:
> Are the speed gains from
> vectorization less than would be realized in, say, MATLAB?
> More generally, what are the things to do or to avoid if one wants to
> write fast Mata code?
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