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Re: Code optimization [message #75112]

Thu, 17 February 2011 11:52

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

On Thursday, February 17, 2011 2:42:47 PM UTC-5, kisCA wrote:
> 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?

It obviously depends on the detailed situation, but the main thing is to understand what you're trying to do at a reasonably high level. So looking at the last statement in the outer loop and saying "that's a multiplication of two vectors", or looking at the inner 2 loops and saying "that's 2 matrix multiplications". Then it's often easy to see how that maps onto built-in IDL operators and functions.

-Jeremy.

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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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