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Re: Code optimization [message #75208 is a reply to message #75116]

Thu, 17 February 2011 12:09

pgrigis
Messages: 436
Registered: September 2007

Senior Member

On Feb 17, 2:42 pm, kisCA <ki...@hotmail.com> wrote:
> Jeremy and Fabzou, thanks for these details I think I got it now, I
> will read about compile_opt IDL2...
>
> Jeremy, I am amazed how you manage so quickly to find a way to
> optimize the code. Do you have some tips to achieve it?

Well technically Jeremy's solution is slightly suboptimal in that
it computes a matrix multiplication for 2 arrays, but only uses the
diagonal elements of the results.
If performance matters to you you may want to avoid doing that
2nd matrix multiplication and just compute the result directly
as I suggested.

Ciao,
Paolo

>
> Cheers

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[Message index]

		Re: Code optimization By: Jeremy Bailin on Thu, 17 February 2011 11:52
		Re: Code optimization By: kisCA on Thu, 17 February 2011 11:42
		Re: Code optimization By: Fabzou on Thu, 17 February 2011 01:14
		Re: Code optimization By: Jeremy Bailin on Wed, 16 February 2011 13:48
		Re: Code optimization By: kisCA on Wed, 16 February 2011 13:25
		Re: Code optimization By: kisCA on Wed, 16 February 2011 13:23
		Re: Code optimization By: Jeremy Bailin on Wed, 16 February 2011 12:57
		Re: Code optimization By: pgrigis on Wed, 16 February 2011 12:51
		Re: Code optimization By: Kenneth P. Bowman on Thu, 17 February 2011 12:52
		Re: Code optimization By: pgrigis on Thu, 17 February 2011 12:09

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