25 lines
924 B
Markdown
25 lines
924 B
Markdown
# nOS-V model
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The nOS-V runtime is composed of tasks that can be scheduled to run in
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threads. Tasks can be paused and resumed, leaving the CPUs free to
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execute other tasks. The nOS-V model tracks the state of each task as
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well as the state of the runtime internal state.
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## Task type colors
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In the Paraver timeline, the color assigned to each nOS-V task type is
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computed from the task type label using a hash function; the task type
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id doesn't affect in any way how the color gets assigned. This method
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provides two desirable properties:
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- Invariant type colors over time: the order in which task types are
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created doesn't affect their color.
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- Deterministic colors among threads: task types with the same label end
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up mapped to the same color, even if they are from different threads
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located in different nodes.
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For more details, see [this MR][1].
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[1]: https://pm.bsc.es/gitlab/rarias/ovni/-/merge_requests/27
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