search for: renice'ing

...rn/) and moving a mate-terminal window around the screen We can make things 'better' by running CPU intensive apps via 'nice' (without any noticeable performance hit to the CPU intensive app) - but this is a rather messy way of fixing the issue We can also make things better by renice'ing X to a negative nice level However, both these approaches seem wrong to me - as I'm probably missing something straightforward here Does anyone know of any CentOS7/Mate settings that could be used to improve desktop/UI responsiveness with high CPU usage ? Thanks James Pearson

...t; > > > We can make things 'better' by running CPU intensive apps via 'nice' > > (without any noticeable performance hit to the CPU intensive app) - but > > this is a rather messy way of fixing the issue > > > > We can also make things better by renice'ing X to a negative nice level > > > > However, both these approaches seem wrong to me - as I'm probably > > missing something straightforward here > > > > Does anyone know of any CentOS7/Mate settings that could be used to > > improve desktop/UI resp...

...t; window around the screen > > We can make things 'better' by running CPU intensive apps via 'nice' > (without any noticeable performance hit to the CPU intensive app) - but > this is a rather messy way of fixing the issue > > We can also make things better by renice'ing X to a negative nice level > > However, both these approaches seem wrong to me - as I'm probably > missing something straightforward here > > Does anyone know of any CentOS7/Mate settings that could be used to > improve desktop/UI responsiveness with high CPU usage...

...'last CPU used' field to top indicates that the R process is hopping from core to core quite frequently. Using taskset to set an affinity to one core results in CPU usage more typically in the 40-60% range with no migration/X usage. But the core starts sharing time with a kworker task. renice'ing doesn't seem to change anything. If I had to guess, I would think that the kworker task is from R trying to re-arrange things in memory to make space for my large objects. 2 machines: - 128 and 256 GiB RAM, - dual processor Xeons (16 cores + hyperthreading, 32 total 'cores&...