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[atomsymbol]

Ok. Let's retrace the steps from the beginning, maybe it will resolve some issues in our communication:

1. You read (past tense) https://lkml.org/lkml

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[atomsymbol]

I don't understand why you believe that it is impossible to (1) establish common rules for how important application classes are in terms of their importance...

[atomsymbol]

This is interpreting serious unsolved operating system deficiencies as positive features of the operating system....

[atomsymbol]

You are right. Some notes:

It depends on the project structure, but on average it seems to me that multiple executables depending on a large...

[atomsymbol]

I presume -flto=auto applies multithreading only to the final link, while compiling a .c/.cc file with LTO is still single-threaded.

It is...

[atomsymbol]

Just a note: num_cores=$(nproc --all) is shorter to write....

[atomsymbol]

Additionally, before running "taskset -c cpulist application", it is required to temporarily lower the number CPUs by using echo or chcpu:...

[atomsymbol]

Conclusion: Managing SMT on per-application basis results in significant performance gains.

Prediction: In the future, SMT is going to be...