Thread

Re: First draft of PG 19 release notes

Robert Treat <rob@xzilla.net> — 2026-05-12T02:34:47Z

On Mon, May 11, 2026 at 5:42 PM Bruce Momjian <bruce@momjian.us> wrote:
> On Mon, May 11, 2026 at 12:40:38PM +0700, John Naylor wrote:
> > On Wed, Apr 15, 2026 at 8:19 AM Bruce Momjian <bruce@momjian.us> wrote:
> >
> > Hi Bruce, thanks for you work on this. Here are some comments:
> >
<snip>
> > > Optionally use AVX2 CPU instructions for calculating page checksums (Matthew Sterrett, Andrew Kim) §
> >
> > > Optionally use ARM Crypto Extension to Compute CRC32C (John Naylor) §
> >
> > There's no option for these, the extensions are used where available.
>
> So, the "Optionally" indicates we use these instructions if the CPU
> supports them.  I assume we don't use them on all CPUs.  Can you
> suggest better wording?
>

I think the simplest change would be to replace "optionally" with
"when available", although ISTR we use wording along the lines of "Add
support for" or "is now supported" when runtime/compiler checks are
involved.

Robert Treat
https://xzilla.net