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Re: Avoid multiple calls to memcpy (src/backend/access/index/genam.c) - Mailing list pgsql-hackers

From Ranier Vilela
Subject Re: Avoid multiple calls to memcpy (src/backend/access/index/genam.c)
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Msg-id CAEudQApEfvhNT1fEPURzVcQH7G0A1ukh_ugoCGaErV6_dbndCQ@mail.gmail.com
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In response to Avoid multiple calls to memcpy (src/backend/access/index/genam.c)  (Ranier Vilela <ranier.vf@gmail.com>)
Responses Re: Avoid multiple calls to memcpy (src/backend/access/index/genam.c)
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Em seg., 9 de mar. de 2026 às 10:16, Ranier Vilela <ranier.vf@gmail.com> escreveu:
Hi.

In the functions *systable_beginscan* and *systable_beginscan_ordered*,
is possible a small optimization.
The array *idxkey* can be constructed in one go with a single call to mempcy.
The excess might not make much of a difference, but I think it's worth the effort.

patch attached.
Someone asked me if O2 does not do the work.
Apparently not.


best regards,
Ranier Vilela

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