Re: pglz compression performance, take two

On Sat, Dec 26, 2020 at 12:06:59PM +0500, Andrey Borodin wrote:
> > 12 дек. 2020 г., в 22:47, Andrey Borodin <x4mmm(at)yandex-team(dot)ru> написал(а):
> I've cleaned up comments, checked that memory alignment stuff actually make sense for 32-bit ARM (according to Godbolt) and did some more code cleanup. PFA v2 patch.

>
> I'm still in doubt should I register this patch on CF or not. I'm willing to work on this, but it's not clear will it hit PGv14. And I hope for PGv15 we will have lz4 or something better for WAL compression.

Thanks for registering it.

There's some typos in the current patch;

farer (further: but it's not your typo)
positiion
reduce a => reduce the
monotonicity what => monotonicity, which
lesser good => less good
allign: align

This comment I couldn't understand:
+ * As initial compare for short matches compares 4 bytes then for the end
+ * of stream length of match should be cut

--
Justin