Efficient output for integer types

From: David Fetter <david(at)fetter(dot)org>
To: PostgreSQL Development <pgsql-hackers(at)postgresql(dot)org>
Subject: Efficient output for integer types
Date: 2019-09-15 07:18:49
Message-ID: 20190915071848.GK31596@fetter.org
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Please find attached a couple of patches intended to $subject.

This patch set cut the time to copy ten million rows of randomly sized
int8s (10 of them) by about a third, so at least for that case, it's
pretty decent.

Thanks to Andrew Gierth for lots of patient help.

David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778

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Attachment Content-Type Size
v1-0001-Output-digits-two-at-a-time-in-sprintf.c.patch text/x-diff 4.5 KB
v1-0002-Made-int8-operations-more-efficent.patch text/x-diff 7.0 KB


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