[Tarantool-patches] [PATCH 1/2] box: make box.cfg idempotent function

Alexander Turenko alexander.turenko at tarantool.org
Wed May 6 15:53:07 MSK 2020


On Wed, May 06, 2020 at 02:49:21PM +0300, Konstantin Osipov wrote:
> * Alexander Turenko <alexander.turenko at tarantool.org> [20/05/06 14:17]:
> > https://gist.github.com/Totktonada/407855389ed4da93bf0175cf8a11c7b9
> > 
> > I made those measurements on fixed CPU frequency and 10 times run each
> > implementation 10 times: 300 runs at whole. I see that results becomes
> > worse for all implementations from run to run. Looks strange.
> 
> Try with jit off?

Are there any production setup with jit.off()? This measurement would be
artificial I think.

Anyway, I collected the results and they are quite noisy again (~10%
variation). I would not say anything based on them. But in average ffi
call gives -0.5% (worse) and ffi call with caching -1.0% from the
baseline (master). Maybe it is just noise.

WBR, Alexander Turenko.


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