| From: | "Joel Jacobson" <joel(at)compiler(dot)org> |
|---|---|
| To: | "Dean Rasheed" <dean(dot)a(dot)rasheed(at)gmail(dot)com> |
| Cc: | Dagfinn Ilmari Mannsåker <ilmari(at)ilmari(dot)org>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Optimize numeric multiplication for one and two base-NBASE digit multiplicands. |
| Date: | 2024-07-04 10:38:59 |
| Message-ID: | f04e103f-e15b-41d2-9657-ee73eeaf349d@app.fastmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Thu, Jul 4, 2024, at 09:38, Joel Jacobson wrote:
> Summary of benchmark results:
>
> cpu | var1ndigits | winner
> ----------------------+-------------+-------------------------------------------------------------
..
> v5-optimize-numeric-mul_var-small-var1-arbitrary-var2.patch
> AMD Ryzen 9 7950X3D | 3 |
> v5-optimize-numeric-mul_var-small-var1-arbitrary-var2.patch
...
> Apple M3 Max | 3 |
> v5-optimize-numeric-mul_var-small-var1-arbitrary-var2.patch
...
> Intel Core i9-14900K | 3 |
> v5-optimize-numeric-mul_var-small-var1-arbitrary-var2.patch
Since v5-add-mul_var_int.patch only implements (var1ndigits <= 2)
it can't possibly win the var1ndigits=3 competition.
/Joel
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Yugo NAGATA | 2024-07-04 10:39:31 | Re: Fix a comment on PQcancelErrorMessage |
| Previous Message | Aleksander Alekseev | 2024-07-04 10:38:44 | Re: Problem while installing PostgreSQL using make |