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[doc] Make it clear that logical CPUs refer to hardware threads #2619

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Merged
merged 4 commits into from
Oct 4, 2022
Merged

[doc] Make it clear that logical CPUs refer to hardware threads #2619

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[doc] Make it clear logical CPUs refer to threads
giordano Oct 3, 2022
f1e47af
Reprhase and expand note on logical CPUs
vkarak Oct 3, 2022
9c48ccd
Merge branch 'master' into patch-1
Oct 3, 2022
0688653
Merge branch 'master' into patch-1
ekouts Oct 4, 2022
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4 changes: 4 additions & 0 deletions docs/config_reference.rst
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Expand Up @@ -1658,6 +1658,10 @@ Processor Info

A *processor info object* in ReFrame's configuration is used to hold information about the processor of a system partition and is made available to the tests through the :attr:`processor <reframe.core.systems.SystemPartition.processor>` attribute of the :attr:`current_partition <reframe.core.pipeline.RegressionTest.current_partition>`.

.. note::
In the following the term *logical CPUs* refers to the smallest processing unit recognized by the OS.
Depending on the microarchitecture, this can either be a core or a hardware thread in processors that support simultaneous multithreading and this feature is enabled.
Therefore, properties such as :attr:`num_cpus_per_core` may have a value greater than one.

.. attribute:: .arch

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