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Re: SIMD optimization for list_sort - Mailing list pgsql-hackers

From John Naylor
Subject Re: SIMD optimization for list_sort
Date
Msg-id CANWCAZa6WwCURrfoHVD++ufzhSXeb=MLe9JdtC8URZVmFDcJ9Q@mail.gmail.com
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In response to SIMD optimization for list_sort  ("Giacchino, Luca" <luca.giacchino@intel.com>)
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On Fri, Nov 22, 2024 at 6:27 AM Giacchino, Luca
<luca.giacchino@intel.com> wrote:
> We’d appreciate feedback on this approach. In the meantime, we will complete the patch to share. We also plan to
extendSIMD-based sort to tuple sort in the future. 

Coincidentally, I'll be prototyping a tuple sort that will take better
advantage of keys that are integers (whether authoritative or
abbreviated), using scalar, portable branch-free techniques. This will
require some re-architecting and I believe that will also make it
easier for you to experiment with sorting networks there.

--
John Naylor
Amazon Web Services

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