On Fri, Feb 28, 2025 at 12:43 PM R, Rakshit <rakshi...@intel.com> wrote:
> > I don't think "another extension might use it someday" makes a very strong > > case, > > particularly for something that requires a new dependency. > > The x86-simdsort library is an optional dependency in Postgres. Also the new > list sort implementation which uses the x86-simdsort library does not impact > any of the existing workflows in Postgres. "Optional" and "Does not impact" are not great selling points to get us to take a 1500 line patch. As we told you in November, list_sort isn't critical for us. You need to start with the user and work backwards to the technology. Don't pick a technology and try to sell people on using it. > We ran our extension to stress list sort with low cardinality inputs. For eg, > for an array of size 100k having repeated values in the range 1-10 we still > see a gain of around 20% in throughput. > We will collect more data for low cardinality inputs and with AVX2 too. Thanks for the news, those are encouraging results. -- John Naylor Amazon Web Services
