pause instruction and it's effectiveness

Tiffany Snyder tiffany.snyder at
Fri Jun 10 05:36:20 GMT 2005

Hi All,
    I was looking to see if the pause instruction provided any gain on
across physical CPUs? Reading the documents from Intel suggests gains
only across logical CPUs within a physical CPU. Has anyone any data
that shows the benefit of pause across physical CPUs as well?



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