"Sun, Hui" <[email protected]> writes: > Thank you Jed. I don't know how to use "lstopo" from the hwloc,
A search engine will solve that problem. > but I looked up the cores and memory from the hardware overview from > my MAC, it has > > Number of Processors: 1 > Total Number of Cores: 2 > > Besides, as you said, there are 4 logical cores due to hyperthreading. > However, I'm still expecting to get speed doubled because I have 2 real > cores. So where is the restriction then? Memory bandwidth, as stated in my email and the page I linked.
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