I would like to assign single-thread tasks to a specific core on a HT-system. Of course this can be done manually, but that's not a practical solution. So currently I have set boinc.exe 's affinity and it's inherited to the LLR tasks, but using that I cannot assign a specific core to each task only all tasks to all e.g. even cores. That's faster than assigning nothing, but not perfect.

Is there a tool that can do that? I.e. make sure that each of four tasks is run on a specific dedicated core.
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1281979 * 2^485014 + 1 is prime ... no further hits up to: n = 5,700,000

See there for more information about this topic/issue
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My stats
Badge score: 1*1 + 5*1 + 8*3 + 9*11 + 10*1 + 11*1 + 12*3 = 186

Thanks! Since I can't test it now (no access to BOINC computers), but am curious, it can be used to automatically assign like this:

llr-task-randomnumber1.exe --> core 0
llr-task-randomnumber2.exe --> core 2
llr-task-randomnumber3.exe --> core 4

And if llr-task-randomnumber2.exe terminates and is replaced by llr-task-randomnumber4.exe this task should be assigned core 2.

Will that work? Basically I want all PPS-DIV tasks to run on their own seperate core, even though, as you know, they have a slightly different filename all the time.
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1281979 * 2^485014 + 1 is prime ... no further hits up to: n = 5,700,000

Note that all LLR task will be run under same app, ie. llr2_1.0.0_win64_200814.exe

ProcessLasso can assign equal number of cores / affinity for each instance.
If you run 4 tasks on 16-core 3950X like I do, it will assign 4 cores to each task.
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My stats
Badge score: 1*1 + 5*1 + 8*3 + 9*11 + 10*1 + 11*1 + 12*3 = 186

If you have HT on then you need to be using 50% cpu. If your new cpu is a ryzen then 1 thread per pps-div task is faster than 4 for total throughput.