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A comment on Operation Costs in CPU Clock Cycles. Parent comment

Re:Operation Costs in CPU Clock Cycles by no-bugs on Friday November 11, 2016 @11:31PM (#12936610)
> The cost of virtual cals is usually due to missed optimizations and the possibility of misprediction.

Yep (plus one L1 read to get that VMT pointer). And the OP is pretty much consistent with this (at least within declared "indications of the order of magnitude" precision).

[ Parent | on HN ]
Re:Operation Costs in CPU Clock Cycles by gpderetta on Saturday November 12, 2016 @01:54PM (#12939479)
No, the load is not on the critical path, so it is not normally part of the overhead.
[ Parent | on HN ]