[concurrency-interest] Matrix multiply with parallelized inner product
tim at peierls.net
Mon Feb 4 19:15:14 EST 2008
On Feb 4, 2008 5:43 PM, Joe Bowbeer <joe.bowbeer at gmail.com> wrote:
> If you have a bunch of PAs using the same executor, I think the number
> of available processors is effectively reduced, and therefore the
> effectiveness of this heuristic is reduced. It would be better to
> have each thread operate on larger chunks than to divide the work up
> into more tasks that will only have to wait for threads to become
How about, "Avoid nesting PA calls unless the number of processors available
dominates the parallelism opportunities in the outer level" ?
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