Dieter Weber

/azp run libertem.libertem-data

The change is supposed to address three issues: First, when running a set of UDFs, CUDA workers are performing not only GPU but also a lot of CPU work in...

I've tested the current state of the PR with ApplyMasksUDF on the large_raw fixture on ptycho, showing how much it can improve performance. Definitely worthwhile IMO. :-) ## Baseline ```...

/azp run libertem.libertem-data

/azp run libertem.libertem-data

@sk1p can you have a look if the changes address your concerns? :-)

/azp run libertem.libertem-data

/azp run libertem.libertem-data

Call with @sk1p and @matbryan52: ```python ctx = Context.make_with(cpus=10, gpus=10) ctx = Context.make_with(cpus=10, gpus=(0, 0, 1, 1, 2)) # does this pin to CPU cores? # Yes, if supported by...

Collection of links on topology: * https://github.com/gbitzes/cpu-topology/blob/master/cpu-topology.py * https://man7.org/linux/man-pages/man1/nproc.1.html * https://psutil.readthedocs.io/en/latest/#psutil.Process.cpu_affinity * https://docs.rs/atopology/latest/atopology/ (thx @sk1p!) * /sys/devices/system/cpu/