On Friday 17 July 2009 16:40:40 Matthew Wakeling wrote:
> I'm considering rewriting a postgres extension (GiST index bioseg) to make
> it use version 1 calling conventions rather than version 0.
>
> Does anyone have any ideas/opinions/statistics on what the performance
> difference is between the two calling conventions?
Version 1 is technically slower if you count the number of instructions, but
considering that everyone else, including PostgreSQL itself, uses version 1,
and version 0 has been deprecated for years and will break on some
architectures, it should be a no-brainer.