Re: Some improvements to numeric sqrt() and ln()

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От David Steele
Тема Re: Some improvements to numeric sqrt() and ln()
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Msg-id cad86d62-fea1-ea1d-753d-3ca93a74f7a4@pgmasters.net
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Ответ на Some improvements to numeric sqrt() and ln()  (Dean Rasheed <dean.a.rasheed@gmail.com>)
Ответы Re: Some improvements to numeric sqrt() and ln()  (Dean Rasheed <dean.a.rasheed@gmail.com>)
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Hi Dean,

On 2/28/20 3:15 AM, Dean Rasheed wrote:
> Attached is a WIP patch to improve the performance of numeric sqrt()
> and ln(), which also makes a couple of related improvements to
> div_var_fast(), all of which have knock-on benefits for other numeric
> functions. The actual impact varies greatly depending on the inputs,
> but the overall effect is to reduce the run time of the numeric_big
> regression test by about 20%.

Are these improvements targeted at PG13 or PG14?  This seems a pretty 
big change for the last CF of PG13.

Regards,
-- 
-David
david@pgmasters.net



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