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grogers
on Dec 27, 2014
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Sandy bridge, Ivy bridge, Haswell and the mess of ...
Do the branches happen at run time or are the optimized routines selected at install time (or something else?)
gsg
on Dec 27, 2014
[–]
At load time. gcc's approach is to substitute an entry in the PLT, the CPU dispatch logic being run at that time to select the contents of the entry.
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