Coccinelle utilises all available threads to implement parallelisation.
However, this results in a decrease in performance.
This patchset aims to improve performance by modifying cocciccheck to
use at most one thread per core by default in machines with more than 4
hyperthreads.
Sumera
This patchset modifies coccicheck to use at most one thread per core by
default in machines with more than 4 hyperthreads for optimal performance.
Modify documentation in coccinelle.rst to reflect the same.
Signed-off-by: Sumera Priyadarsini
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Changes in V2:
Update scripts/coccicheck
By default, coccicheck utilizes all available threads to implement
parallelisation. However, when all available threads are used,
a decrease in performance is noted. The elapsed time is minimum
when at most one thread per core is used.
For example, on benchmarking the semantic patch kfree.cocci
