performance tuning

[Julian Elischer]

Petri Helenius wrote:

>
>  Now that 5.3 is the first STABLE release, is the future focus on
>  -threads towards performance, so that benchmarks and profiling, etc.
>  would be appreciated somewhat more than they might have been
>  previously when the development was more in the "just get it working
>  right" mode?
>
Basically, yes.
there is still work to do in the "get it right" field but
it's working "right enough" now that performance is
starting to be an issue.

There is work proceeding on 3 fronts.

* libthr continues to be improved by Mike.

* libpthread is being scrutinised for ineffiencies and problems.
   In particular M:N performance has a lot to be desired.

* (from left field) David has been working on a hybrid of libpthread and
  libthr.  As a private project, David is playing w

>  Momentarily I could provide benchmarks from fairly parallel dual-HTT
>  CPU machines running libpthread code (both proprietary and real-world
>  mysql/apache/mod_perl loads)


Is that the American or British meaning of Momentarily?
(i.e. "IN a moment" or "FOR a moment"? )   :-)

What we will really want eventually is KTR output as well as profilings.

i.e. output of ktrdump.


>
>  Pete
>
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