[CentOS] Question: How to utilize multi-core CPUs
John R Pierce
pierce at hogranch.comMon Dec 24 01:14:58 UTC 2012
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On 12/23/2012 4:53 PM, Mike Watson wrote: > So, if I understand you all correctly, I need do nothing. The kernel > will utilize them all as needed. > > If that correct? yes. a single process with a single thread will only use one CPU/core/thread at a time, but if you're running multiple processes at once, even something like a pipeline, then they will run in multiple cores as needed. the 2 threads on each core are less than a whole CPU but more than 1/2. In particular, there is only one floating point unit.
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