On Sun, 25 Aug 2024 at 10:33, Joel Jacobson wrote:
>
> Nice. LGTM.
> I've successfully tested the new patch again on both Intel and AMD.
>
> I've marked it as Ready for Committer.
>
[Finally getting back to this]
Thanks for the review and testing.
Committed.
Regards,
Dean
On Sat, Aug 24, 2024, at 14:10, Dean Rasheed wrote:
> On Sat, 24 Aug 2024 at 08:26, Joel Jacobson wrote:
>>
>> On Sat, Aug 24, 2024, at 01:35, Joel Jacobson wrote:
>> > On Sat, Aug 24, 2024, at 00:00, Joel Jacobson wrote:
>> >> Since statistical tools that rely on normal distributions can't be use
On Sat, 24 Aug 2024 at 08:26, Joel Jacobson wrote:
>
> On Sat, Aug 24, 2024, at 01:35, Joel Jacobson wrote:
> > On Sat, Aug 24, 2024, at 00:00, Joel Jacobson wrote:
> >> Since statistical tools that rely on normal distributions can't be used,
> >> let's look at the individual measurements for (var
On Sat, Aug 24, 2024, at 01:35, Joel Jacobson wrote:
> On Sat, Aug 24, 2024, at 00:00, Joel Jacobson wrote:
>> Since statistical tools that rely on normal distributions can't be used,
>> let's look at the individual measurements for (var1ndigits=3, var2ndigits=3)
>> since that seems to be the bigge
On Sat, Aug 24, 2024, at 00:00, Joel Jacobson wrote:
> Since statistical tools that rely on normal distributions can't be used,
> let's look at the individual measurements for (var1ndigits=3, var2ndigits=3)
> since that seems to be the biggest slowdown on both CPUs,
> and see if our level of surpri
On Fri, Aug 23, 2024, at 21:21, Joel Jacobson wrote:
> Attachments:
> * perf_test-M3 Max.out
> * perf_test-Intel Core i9-14900K.out
> * perf_test-AMD Ryzen 9 7950X3D.out
Here are some additional benchmarks from pg-catbench:
AMD Ryzen 9 7950X3D:
select x var1ndigits,y
var2ndigits,a_avg,b_avg,poo
On Fri, Aug 23, 2024, at 21:21, Joel Jacobson wrote:
> On Fri, Aug 23, 2024, at 15:49, Dean Rasheed wrote:
>> The attached patch attempts to resolve those issues by replacing
>> div_var() and div_var_fast() with a single function intended to be
>> faster than both the originals.
...
> I've had an i
