Re: Minor performance improvements
От | Nelson Arape |
---|---|
Тема | Re: Minor performance improvements |
Дата | |
Msg-id | 200702270945.55584.narape@ica.luz.ve обсуждение исходный текст |
Ответ на | Minor performance improvements ("Stephen Denne" <Stephen.Denne@datamail.co.nz>) |
Список | pgsql-jdbc |
Post this time to the list, the last time I sent it to Kris directly, sorry for that Hi Kris I think that your patch could be better if instead of using the "signed" right shift operator (>>) followed by a bit mask, use directly the "unsigned" right shift operator (>>>) So ((val >> 24) & 0xFF) would better as val >>> 24 By the way great work folks Nelson Arapé A happy Postgres JDBC user in his first time post to the list PS: Sorry for my english, not my native language El Martes, 27 de Febrero de 2007 04:21, Kris Jurka escribió: > On Mon, 26 Feb 2007, Kris Jurka wrote: > > I've created the attached test which tests the original code (Orig), your > > code (Two), and my suggestion of an int4buf (Three) and got the following > > surprising results: > > Based on that test and a similar attached test for reading, I'm prepared > to apply the attached patch. Let me know what you think. > > Kris Jurka
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