tisdagen den 28 januari 2014 11.30.01 skrev Colin Charles:
> On 25 Jan 2014, at 16:26, Sergei Golubchik wrote:
> > Hi, Oden!
> >
> > On Dec 03, Oden Eriksson wrote:
> >> I got assigned to look at the rpm packaging and fixed some stuff
> >> there, but got stuck at the "Monty Program AB" vendor ch
Axel Schwenke writes:
> Wow. 25% is a lot. Have you also tried compiling MySQL 5.6 with PGO?
No.
> Because if that gets the same improvement, we haven't won anything in the
> comparison.
On the contrary, if the same works for MySQL 5.6 (and it seems likely it
will), then we have won double - b
Hi Kristian,
Kristian Nielsen wrote:
> I have been analysing CPU bottlenecks in single-threaded sysbench read-only
> load. I found that icache misses is the main bottleneck, and that
> profile-guided compiler optimisation (PGO) with GCC gives a large speedup, 25%
> or more.
>
> (More details in m
Hi, Alexander!
On Jan 28, Alexander Barkov wrote:
>
> These types of bug are annoying. We've fixed a lot of them.
> I hoped to extend the new code gradually for non-static strings as well:
>
> - to fix String::c_ptr*() not to use realloc if constructor knows that
>the value is null terminate
Sergey Vojtovich writes:
> Still a questions mostly to educate myself. According to proc mysqld
> executable
> size is something like:
> VmExe: 12228 kB
> VmLib:6272 kB
>
> I assume the above refers to overall instructions. Level 1 instruction cache
> size is like 32Kb, rig
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