Re: pgsql: Change floating-point output format for improved performance. - Mailing list pgsql-committers

From Andrew Gierth
Subject Re: pgsql: Change floating-point output format for improved performance.
Date
Msg-id 87bm3fpsdj.fsf@news-spur.riddles.org.uk
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In response to Re: pgsql: Change floating-point output format for improved performance.  (Andrew Gierth <andrew@tao11.riddles.org.uk>)
Responses Re: pgsql: Change floating-point output format for improvedperformance.
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>>>>> "Andrew" == Andrew Gierth <andrew@tao11.riddles.org.uk> writes:

Fallout so far:

Cygwin claims to have strtof, but it silently underflows to zero and
misrounds input. Could be fixable with a variant output file?

ICC seems to be miscompiling something, that'll need investigation.

s390 failures: ts_rank isn't as numerically stable as I thought it would
be, that can be fixed by setting extra_float_digits=0 for that test like
I did with some others. To be honest I'm not sure why I didn't do that
before - probably just an oversight.

Cross-version upgrade is the big problem; I have no real idea how to
make that test work short of adding another GUC; revert?

-- 
Andrew (irc:RhodiumToad)


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