Hi, On Thu, Nov 07, 2024 at 09:45:44AM +0900, Michael Paquier wrote: > On Thu, Nov 07, 2024 at 08:05:10AM +1300, David Rowley wrote: > > That might be quite good for small lengths or for use cases where the > > memory is always or almost always zero. The problem is there's no > > early exit when you find the first non-zero which means, for larger > > lengths, reading much more memory. That'll both take longer and > > possibly evict cache lines which might be useful to have in the near > > future. > > Didn't know this one either, thanks for the explanation.
+1, thanks! Regards, -- Bertrand Drouvot PostgreSQL Contributors Team RDS Open Source Databases Amazon Web Services: https://aws.amazon.com
