Re: JIT compiling with LLVM v12.2 - Mailing list pgsql-hackers

From Andres Freund
Subject Re: JIT compiling with LLVM v12.2
Date
Msg-id 20180330155445.x5yg7wiv554tnubu@alap3.anarazel.de
Whole thread Raw
In response to Re: JIT compiling with LLVM v12.2  (Konstantin Knizhnik <k.knizhnik@postgrespro.ru>)
Responses Re: JIT compiling with LLVM v12.2  (Konstantin Knizhnik <k.knizhnik@postgrespro.ru>)
List pgsql-hackers
On 2018-03-30 15:12:05 +0300, Konstantin Knizhnik wrote:
> I have repeated performance tests at my computer and find out some
> regression comparing with previous JIT version.
> Previously JIT provides about 2 times improvement at TPC-H Q1. Now the
> difference is reduced to 1.4 without parallel execution and 1.3 with
> parallel execution:

Huh. That's the same computer you did the tests on?

There shouldn't have been any, I'll check it out.

- Andres


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