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Hello everybody,
today I got a new toy: a server with two sockets, each equipped with an AMD EPYC
7451 24-core processor with 2-way multithreading. It's running on Windows Server
2019. As a benchmark I installed the most current stable version of POVRay
(3.7.0.msvc10.win64). Unfortunately I had to notice that POVRay just uses the
first half of all virtual processors (48 instead of 96). Even starting two
instances of POVRay and letting it run crams all processes to just the first
half shown in the task manager. Also increasing the number of threads from 48
(default) to 96 doesn't occupy all virtual processors, but again just half of
them.
Do you have any idea, how to solve that issue?
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