A while ago we had a discussion of using threads to speedup some operations. I just found out that Eigen has implemented a threadpool:

So if we go in this direction, then using the Eigen stuff will probably be a good thing to do.


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We might be able to find a better thread pool implementation than Eigen’s unsupported version.

A related comment is that Eigen doesn’t (un)support much threading—just matrix-matrix multiply in terms of what I can see that might be useful to us.

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