
HPX and DLA Future
CppCast
00:00
Paralgarisms - Are You Happy With Them?
Paraalgarisms are very limitig because they still give you for join paralism to for a couple threats, and you join them in the end. So that join operation can add significant overhead to yourball execution. By launching a parallela parallelgrithm on the side, syntronously, you still have that joint operation in theend. But you can e part of the course free up early. You can do other work when the coursefree up. That gives you performance benefits. Even if you would think i'm adding moreover because i'm getting you future back now, no, you're saving on the ondejoint operation which is one of the main culprit
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