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Re: Syslets, Threadlets, generic AIO support, v6

From:  Ingo Molnar <>
To:  Jeff Garzik <>
Subject:  Re: Syslets, Threadlets, generic AIO support, v6
Date:  Wed, 30 May 2007 09:20:55 +0200
Cc:  Zach Brown <>,, Linus Torvalds <>, Arjan van de Ven <>, Christoph Hellwig <>, Andrew Morton <>, Alan Cox <>, Ulrich Drepper <>, Evgeniy Polyakov <>, "David S. Miller" <>, Suparna Bhattacharya <>, Davide Libenzi <>, Jens Axboe <>, Thomas Gleixner <>
Archive-link:  Article, Thread

* Jeff Garzik <> wrote:

> You should pick up the kevent work :)

3 months ago i verified the published kevent vs. epoll benchmark and 
found that benchmark to be fatally flawed. When i redid it properly 
kevent showed no significant advantage over epoll. Note that i did those 
measurements _before_ the recent round of epoll speedups. So unless 
someone does believable benchmarks i consider kevent an over-hyped, 
mis-benchmarked complication to do something that epoll is perfectly 
capable of doing.


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