| From: | John Naylor <johncnaylorls(at)gmail(dot)com> |
|---|---|
| To: | Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Yura Sokolov <y(dot)sokolov(at)postgrespro(dot)ru> |
| Subject: | Re: [PoC] Improve dead tuple storage for lazy vacuum |
| Date: | 2024-03-06 08:06:50 |
| Message-ID: | CANWCAZa9=F4W_G11czVPNBEjOAN3AQ_TW5kS5wQ7jzp5aNGiog@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Mar 6, 2024 at 3:02 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
>
> On Wed, Mar 6, 2024 at 4:41 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> > A few ARM buildfarm animals are complaining:
> >
> > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=parula&dt=2024-03-06%2007%3A34%3A02
> > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=snakefly&dt=2024-03-06%2007%3A34%3A03
> > https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=massasauga&dt=2024-03-06%2007%3A33%3A18
> >
>
> The error message we got is:
>
> ../../src/include/port/simd.h:326:71: error: incompatible type for
> argument 1 of \342\200\230vshrq_n_s8\342\200\231
> uint8x16_t masked = vandq_u8(vld1q_u8(mask), (uint8x16_t) vshrq_n_s8(v, 7));
> ^
>
> Since 'v' is uint8x16_t I think we should have used vshrq_n_u8() instead.
That sounds plausible, and I'll look further.
(Hmm, I thought we had run this code on Arm already...)
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