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Old 05-11-2015, 10:27 AM
amagras amagras is offline
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Default Re: # of cores and hyperthreading

Quote:
Originally Posted by Darryl Ramm View Post
5. If things are unstable try starting with disabling HT and run with RTAS CPU = #CPU-1. If HT is enabled you want to _start_ by still setting RTAS CPU = # (physical CPU cores) - 1. That guarantees a whole CPU core is still available to Pro Tools but does not give plugins any real benefit of HT. They are just starting points you will still *have* to experiment.
I got there by trial and error and, in my case, the performance changes considerably from physical #CPU-1 with HT to physical #CPU-1 without HT because 3 CPU no HT = 4 CPU with HT.
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