That is spectacularly counter-intuitive
On 2014-09-10 14:16, Mike Jameson wrote: > Moving about the blocks in a simple GRC flowgraph is very sluggish when my > processor is set to 'Performance' or 'Ondemand'. > > When set to 'Powersave', moving about a block in exactly the same flowgraph > works super fast again! > > The CPU frequency changer I'm using on my installation of Ubuntu 14.04 LTS > x64 is called 'indicator-cpufreq' and if installed and run you will be able > to access these different processor speed options: > > sudo apt-get install indicator-cpufreq > > The speed is confirmed with 'cat /proc/cpuinfo | grep "cpu MHz"' to be 800MHz > on 'Powersave' and 2201MHz on 'Performance'. > > It would be interesting to know if you are seeing the same behaviour. > > Mike > > -- > Mike Jameson M0MIK BSc MIET > Email: m...@scanoo.com > Web: http://scanoo.com [1] > > On Wed, Sep 10, 2014 at 6:01 PM, <mle...@ripnet.com> wrote: > > Well, look at simple_ra (the name is, clearly, misleading). It's quite > ponderous. The sheet isn't anywhere near 5000 x 5000, though. > > But others as well, like multimode (again, available through CGRAN), which > has about half the block count of simple_ra. > > On 2014-09-10 12:55, Tom Rondeau wrote: > > On Tue, Sep 9, 2014 at 8:25 PM, Marcus D. Leech <mle...@ripnet.com> wrote: > On 09/09/2014 08:20 PM, Tiankun Hu wrote: > Yes, I have the same issue with v3.7.5 > > Thanks > Tiankun > > Mike Jameson <m...@scanoo.com>编写： > > Yes, even after a fresh reboot there is still a delayed reaction while > dragging about blocks in GRC. > > GNU Radio Companion 3.7.5git-194-g76a271ac > Ubuntu 14.04 x64 LTS > Quad Core i7 > > Mike > > To be sure, there has always been a certain amount of sluggishness with large > flow-graphs (simple_ra, for an example), but what I'm seeing > now is probably 3 or 4 times worse, and affects smaller/less-complicated > graphs as well. I do realize that GRC is doing a lot of dynamic > "stuff" as you add things to the graph--like re-evaluating the dependency > graph on changes, but things have gotten noticably more sluggish. > > -- > Marcus Leech > Principal Investigator > Shirleys Bay Radio Astronomy Consortium > http://www.sbrac.org [2] What are you considering smaller/less-complicated? I have a pretty full one on a 5000x5000 canvas running fine. Maybe Sebastian knows what might have changed in the GRC backend to cause this? Obviously it's not fake if multiple people are seeing it, but it's not affecting me at all. Tom _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio [3] Links: ------ [1] http://scanoo.com [2] http://www.sbrac.org [3] https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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