Re: simplehash: SH_OPTIMIZE_REPEAT for optimizing repeated lookups of the same key

On Mon, Nov 20, 2023 at 06:12:47PM -0800, Jeff Davis wrote:
> The caller could do something similar, so this option is not necessary,
> but it seems like it could be generally useful. It speeds things up for
> the search_path cache (and is an alternative to another patch I have
> that implements the same thing in the caller).

I'm mostly thinking out loud here, but could we just always do this?  I
guess you might want to avoid it if your SH_EQUAL is particularly expensive
and you know repeated lookups are rare, but maybe that's uncommon enough
that we don't really care.

-- 
Nathan Bossart
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