| From: | John Naylor <johncnaylorls(at)gmail(dot)com> |
|---|---|
| To: | Andrew Kim <tenistarkim(at)gmail(dot)com> |
| Cc: | pgsql-hackers(at)lists(dot)postgresql(dot)org, Oleg Tselebrovskiy <o(dot)tselebrovskiy(at)postgrespro(dot)ru> |
| Subject: | Re: Proposal for enabling auto-vectorization for checksum calculations |
| Date: | 2025-10-29 02:50:45 |
| Message-ID: | CANWCAZZ_0AQMk1HgHXHX+JaeBfy_4kzwHgTdqMptDA7zM+nm+Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Oct 24, 2025 at 2:49 PM Andrew Kim <tenistarkim(at)gmail(dot)com> wrote:
> The function signatures (pg_checksum_block, pg_checksum_page) remain
> identical, and checksum_impl.h still contains the complete
> implementation that external programs can include. The runtime
> dispatch only affects internal PostgreSQL usage.
I don't quite understand the architecture here -- all
platform-specific definitions were put in the "checksum_impl.h"
header. My thinking was that checksum.c would have all that, with thin
wrappers around the functions included from that header.
--
John Naylor
Amazon Web Services
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