Hi Hironobu,
On 3/3/19 12:55 PM, Fabien COELHO wrote:
>
>> Indeed, the patch needs a rebase & conflit resolution. I'll do it. Later.
>
> Here is an update:
>
> - take advantage of pg_bitutils (although I noted that the "slow"
> popcount there could be speeded-up and shorten with a bitwise operator
> implementation that I just removed from pgbench).
>
> - add comments about the bijective transformations in the code.
>
> As already stated, this function makes sense for people who want to test
> performance with pgbench using non uniform rands. If you do not want to
> do that, you will probably find the function pretty useless. I can't
> help it.
>
> Also, non uniform rands is also a way to test pg lock contention behavior.
You have signed up as a reviewer for this patch. Do you know when
you'll have time to do the review?
Regards,
--
-David
david@pgmasters.net