Messages in this thread | | | From | (Alan Cox) | Subject | Re: Linus on Linux, Apache and Threads | Date | Sat, 24 Apr 1999 01:17:14 +0100 (BST) |
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> Each time an element is put on the event queue, you up the semaphore. > Before getting the dequeue lock on the queue, the thread would down the > semaphore.
That isnt the performance issue. The scaling issue tends to be the "wake all / wake one" stuff - which is hard to do well for wake one.
Alan
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