New answers tagged performance
4
Certainly. There are a few things you have to define for your type that are listed on this page in the documentation:
https://eigen.tuxfamily.org/dox/TopicCustomizing_CustomScalar.html
It basically boils down to defining arithmetic operators appropriately for your type, plus specializing a traits template NumTraits that describes your type. The link above ...
7
You can calculate GFLOP rates this way, but the numbers are pretty meaningless on today's hardware:
Floating point operations require a variable number of clock cycles. An addition is generally cheaper than a multiplication, but each generally takes more than one clock cycle of the 2.8 billion cycles you quite.
When you have hyperthreading, you have two ...
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