On Tue, Apr 3, 2018 at 4:06 PM Jed Brown <[email protected]> wrote: > Communicators should be cheap. One per library per "size" isn't a huge > number of communicators. >
I agree - but that's not what we're getting here. We're getting one per "object" (Mat / Preconditioner, etc.) associated with the library per "size". If we can fix that I agree that there's no problem (we use a lot of libraries... but not 2000 separate ones simultaneously!). Derek
