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Re: JBIU update (and testimonial) [message #75477]

Sat, 12 March 2011 21:09

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

On Saturday, March 12, 2011 11:30:14 PM UTC-5, wlandsman wrote:
> On Saturday, March 12, 2011 10:21:35 PM UTC-5, Jeremy Bailin wrote:
>
>> I also thought that you might be entertained by what my boss had to say about MATCH_SPH, once I finally got him to try it out:
>>
>> "Holy shit! I cannot believe how much faster that is than srcor. I kept on
>> putting off reading it in... But I needed to x-correlate 300Kx300K, and it
>> was going to take me days (literally). your routine did it in 5 seconds."
>>
>
> To be fair , he was most likely using a pre-March 2009 version of srcor.pro in the Astron library, which is when it was updated to dramatically improve the speed for spherical matching.

Yeah, probably - I was surprised when he said it was almost 4 orders of magnitude faster, since it was more like a factor of 60-70 in my tests.

-Jeremy.

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		Re: JBIU update (and testimonial) By: Jeremy Bailin on Sat, 12 March 2011 21:09
		Re: JBIU update (and testimonial) By: wlandsman on Sat, 12 March 2011 20:30

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