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Honored Contributor

11 years ago

Number of processors used during compilation

Hello, can someone explain this Compilation Message: Info (11104): Parallel Compilation has detected 12 hyper-threaded processors. However, the extra hyper-threaded processors will not be used ...

Altera_Forum

Honored Contributor

11 years ago

I noticed that too on my compiles. I believe hyper-threading does not improve performance and may hurt it. Just googling "hyper-thread performance" brings up stuff like so:

http://www.pugetsystems.com/blog/2014/07/02/hyper-threading-may-be-killing-your-parallel-performance-578/

So it probably actually helps performance by not using them.

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Number of processors used during compilation

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