Re: Efficient output for integer types
| От | David Fetter |
|---|---|
| Тема | Re: Efficient output for integer types |
| Дата | |
| Msg-id | 20190920211813.GG31596@fetter.org обсуждение исходный текст |
| Ответ на | Re: Efficient output for integer types (David Fetter <david@fetter.org>) |
| Ответы |
Re: Efficient output for integer types
|
| Список | pgsql-hackers |
On Fri, Sep 20, 2019 at 11:09:16PM +0200, David Fetter wrote: > On Fri, Sep 20, 2019 at 09:14:51PM +0200, David Fetter wrote: > > On Wed, Sep 18, 2019 at 04:27:46PM +0900, Kyotaro Horiguchi wrote: > > > Hello. > > > > > > At Wed, 18 Sep 2019 05:42:01 +0200, David Fetter <david@fetter.org> wrote in <20190918034201.GX31596@fetter.org> > > > > On Tue, Sep 17, 2019 at 09:01:57AM +0200, David Fetter wrote: > > > > > On Tue, Sep 17, 2019 at 08:55:05AM +0200, David Fetter wrote: > > > > > > On Sun, Sep 15, 2019 at 09:18:49AM +0200, David Fetter wrote: > > > > > > > Folks, > > > > > > > > > > > > > > Please find attached a couple of patches intended to $subject. > > > > > > > > > > > > > > This patch set cut the time to copy ten million rows of randomly sized > > > > > > > int8s (10 of them) by about a third, so at least for that case, it's > > > > > > > pretty decent. > > > > > > > > > > > > Added int4 output, removed the sprintf stuff, as it didn't seem to > > > > > > help in any cases I was testing. > > > > > > > > > > Found a couple of "whiles" that should have been "ifs." > > > > > > > > Factored out some inefficient functions and made the guts use the more > > > > efficient function. > > > > > > I'm not sure this is on the KISS principle, but looked it and > > > have several random comments. > > > > > > +numutils.o: CFLAGS += $(PERMIT_DECLARATION_AFTER_STATEMENT) > > Oops. Missed a few. D'oh! Wrong patch. Best, David. -- David Fetter <david(at)fetter(dot)org> http://fetter.org/ Phone: +1 415 235 3778 Remember to vote! Consider donating to Postgres: http://www.postgresql.org/about/donate
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