Re: speedup tidbitmap patch: hash BlockNumber

From: Teodor Sigaev <teodor(at)sigaev(dot)ru>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
Cc: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: speedup tidbitmap patch: hash BlockNumber
Date: 2014-12-16 17:07:38
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> I think this suggestion is misguided, and the patch itself needs
> rethinking. Instead of doing this, let's hack dynahash.c itself
> to substitute a shim like this when it's told function == tag_hash and
> keysize == sizeof(uint32). Then we can remove any similar shims that
> already exist, and possibly end up with a net savings of code rather than
> adding more.
done, actoually I found oid_hash shim only.

Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru

Attachment Content-Type Size
tbm_blocknumber-3.patch.gz application/x-gzip 3.0 KB

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