On 2/21/17 22:17, Andres Freund wrote:
> I've not run comparisons this year, but late last year I was seeing > 5%
> < 10% benefits - that seems plenty enough to care.
You mean the 5-minute benchmarks on my laptop are not representative? ;-)
Here is a patch that I had lying around that clears the compiler
warnings under -O3 for me. It seems that they are a subset of what you
are seeing. Plausibly, as compilers are doing more analysis in larger
scopes, we can expect to see more of these.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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