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From: Joel Jacobson <[email protected]>
To: Dean Rasheed <[email protected]>
Cc: Dagfinn Ilmari MannsÃ¥ker <[email protected]>
Cc: pgsql-hackers <[email protected]>
Subject: Re: Optimize numeric multiplication for one and two base-NBASE digit multiplicands.
Date: Thu, 04 Jul 2024 12:38:59 +0200
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
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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






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