[osg-users] Slow optimization and OpenFlight

[Robert Osfield]

Thanks for the tip Alberto.

On 27 November 2017 at 16:46, Alberto Luaces <aluaces at udc.es> wrote:
> Robert Osfield writes:
>
>> I gave up the valgrind tool=callgrind because it was taking too long
>> to complete.  What I did gleen from it was that the run confirms that
>> removeChildren() is a bottleneck.
>
> For these matters the "perf" utility in the linux-perf package reaches
> near-uninstrumented performance:
>
> $ perf record <exe_and_arguments> # Gather results
>
> $ perf report # Inspect results
>
> Depending on the system configuration, running previously a
>
> $ echo 1 | sudo tee /proc/sys/kernel/perf_event_paranoid
>
> might be required.
>
> --
> Alberto
>
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