On Fri, Feb 14, 2020 at 08:16:47AM -0800, Mark Dilger wrote: > > On Feb 14, 2020, at 8:15 AM, David Fetter <da...@fetter.org> wrote: > > > > On Fri, Feb 14, 2020 at 10:33:04AM -0500, Robert Haas wrote: > >> On Thu, Feb 13, 2020 at 11:26 AM Mark Dilger > >> <mark.dil...@enterprisedb.com> wrote: > >>> I have made these changes and rebased Robert’s patches but > >>> otherwise changed nothing. Here they are: > >> > >> Thanks. Anyone else have comments? I think this is pretty > >> straightforward and unobjectionable work so I'm inclined to press > >> forward with committing it fairly soon, but if someone feels > >> otherwise, please speak up. > > > > One question. It might be possible to make these functions faster > > using compiler intrinsics. Would those still be available to front-end > > code? > > Do you have a specific proposal that would preserve on-disk compatibility?
I hadn't planned on changing the representation, just cutting instructions out of the calculation of same. 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