| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | John Naylor <johncnaylorls(at)gmail(dot)com> |
| Cc: | Nathan Bossart <nathandbossart(at)gmail(dot)com>, "Chiranmoy(dot)Bhattacharya(at)fujitsu(dot)com" <Chiranmoy(dot)Bhattacharya(at)fujitsu(dot)com>, "Devanga(dot)Susmitha(at)fujitsu(dot)com" <Devanga(dot)Susmitha(at)fujitsu(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, "Ragesh(dot)Hajela(at)fujitsu(dot)com" <Ragesh(dot)Hajela(at)fujitsu(dot)com> |
| Subject: | Re: [PATCH] Hex-coding optimizations using SVE on ARM. |
| Date: | 2025-01-14 05:59:04 |
| Message-ID: | 622082.1736834344@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
John Naylor <johncnaylorls(at)gmail(dot)com> writes:
> We can do about as well simply by changing the nibble lookup to a byte
> lookup, which works on every compiler and architecture:
I didn't attempt to verify your patch, but I do prefer addressing
this issue in a machine-independent fashion. I also like the brevity
of the patch (though it could do with some comments perhaps, not that
the existing code has any).
regards, tom lane
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