Re: tuple radix sort

From: John Naylor <johncnaylorls(at)gmail(dot)com>
To: cca5507 <cca5507(at)qq(dot)com>
Cc: zengman <zengman(at)halodbtech(dot)com>, pgsql-hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: tuple radix sort
Date: 2026-04-01 07:20:47
Message-ID: CANWCAZacXFMeG=afHF+3rxuyr3=0UcdNgxO8wTZ58fOzvyhwNw@mail.gmail.com
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On Tue, Mar 31, 2026 at 11:36 AM cca5507 <cca5507(at)qq(dot)com> wrote:
> > v9 computes the common prefix during every recursion at the same time
> > we populate the SortTuple's current byte. That should be practically
> > free given a modest amount of instruction-level parallelism.
>
> +1 and v9-0001 LGTM.

Pushed, thanks for looking!

--
John Naylor
Amazon Web Services

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