Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates

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Andreas Karlsson
Тема
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates
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544FAC87.2040705@proxel.se
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[WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Alvaro Herrera <alvherre@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Oskari Saarenmaa <os@ohmu.fi>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Peter Eisentraut <peter_e@gmx.net>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates David Rowley <dgrowleyml@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@anarazel.de>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Tom Lane <tgl@sss.pgh.pa.us>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@anarazel.de>
Re: Using 128-bit integers for sum, avg and statistics aggregates Petr Jelinek <petr@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates David Rowley <dgrowleyml@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Robert Haas <robertmhaas@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates David Rowley <dgrowleyml@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Tom Lane <tgl@sss.pgh.pa.us>
Re: Using 128-bit integers for sum, avg and statistics aggregates Heikki Linnakangas <hlinnakangas@vmware.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Tom Lane <tgl@sss.pgh.pa.us>
Re: Using 128-bit integers for sum, avg and statistics aggregates Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Claudio Freire <klaussfreire@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Petr Jelinek <petr@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Peter Geoghegan <pg@heroku.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Petr Jelinek <petr@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates David Fetter <david@fetter.org>
Re: Using 128-bit integers for sum, avg and statistics aggregates Petr Jelinek <petr@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Petr Jelinek <petr@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Peter Geoghegan <pg@heroku.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Peter Geoghegan <pg@heroku.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Petr Jelinek <petr@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Petr Jelinek <petr@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Peter Geoghegan <pg@heroku.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Peter Geoghegan <pg@heroku.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Peter Geoghegan <pg@heroku.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Peter Geoghegan <pg@heroku.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Tom Lane <tgl@sss.pgh.pa.us>
Re: Using 128-bit integers for sum, avg and statistics aggregates Michael Paquier <michael.paquier@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates David Rowley <dgrowleyml@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Michael Paquier <michael.paquier@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Michael Paquier <michael.paquier@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Petr Jelinek <petr@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Petr Jelinek <petr@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Michael Paquier <michael.paquier@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates David Rowley <dgrowley@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Peter Geoghegan <pg@heroku.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Peter Geoghegan <pg@heroku.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Michael Paquier <michael.paquier@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: Using 128-bit integers for sum, avg and statistics aggregates Robert Haas <robertmhaas@gmail.com>
Re: Using 128-bit integers for sum, avg and statistics aggregates Michael Paquier <michael.paquier@gmail.com>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Merlin Moncure <mmoncure@gmail.com>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Arthur Silva <arthurprs@gmail.com>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Heikki Linnakangas <hlinnakangas@vmware.com>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Andres Freund <andres@2ndquadrant.com>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Tom Lane <tgl@sss.pgh.pa.us>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Heikki Linnakangas <hlinnakangas@vmware.com>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Heikki Linnakangas <hlinnakangas@vmware.com>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
Re: [WIP Patch] Using 128-bit integers for sum, avg and statistics aggregates Andreas Karlsson <andreas@proxel.se>
On 10/28/2014 03:40 PM, Heikki Linnakangas wrote:
> The patch doesn't do division with the 128-bit integers. It only does
> addition and multiplication. Those are pretty straightforward to implement.

The patch uses division when converting from __int128_t to Numeric.

- Andreas




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