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From Nicholas Ding <nicholas...@gmail.com>
Subject How to improve performance of geodist()
Date Mon, 13 May 2013 17:12:23 GMT
Hi guys,

I'm using geodist() in a recip boost function. I noticed a performance
impact to the response time. I did a profiling session, the geodist()
calculation took 30% of CPU time.

I'm wondering is there any alternative to Haversine function that can
reduce CPU calculation? I don't need very accurate float numbers when I use
geodist() in the boost function.

Thanks
Nicholas

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