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Bump libmemcached #27

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rainhead opened this Issue · 4 comments

3 participants

@rainhead

It hasn't been upgraded in a year, and some of the stuff in their changelog looks compelling.

@evan
Owner

Patrick Galbraith is working on this. Maybe you could coordinate with him to help with the patch?

@evan
Owner

Hmm, benchmarks suggest that 0.47 is a performance regression. :-( So I am gonna leave this alone. You can checkout my partially working branch '0.47' if you want.

0.32:

set: libm:ascii                       0.610000   0.970000   1.580000 (  3.654520) 
set: libm:bin                         0.500000   0.890000   1.390000 (  3.118490)
get: libm:ascii                       0.820000   1.000000   1.820000 (  3.914436)

0.47:

set: libm:ascii                       0.670000   1.240000   1.910000 (  4.110841)
set: libm:bin                         0.570000   1.340000   1.910000 (  3.962299)
get: libm:ascii                       0.790000   1.240000   2.030000 (  4.129513)
@tmm1

@evan Do you know where the performance regressions in the new libmemcached are? You mentioned something about added indirection via function pointers.

@evan
Owner

Not off the top of my head, sorry.

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