Double compare-and-exchange

By: savantu (, March 25, 2008 9:15 pm
Room: Moderated Discussions
Jamie Lucier ( on 3/25/08 wrote:

>I'm not trolling here, but do you think this preference of yours not to work with
>"loud" machines has in any way impacted Linux in scale up large N-way server platforms which are as a rule loud?
>I appreciate it's not realistic that you work directly on a 128 core machine beside
>your desk, and I also find that in the last couple of years there has been some
>public benchmarks which would suggest that Linux can deliver similar scaling as
>any other OS out there. But does your day to system for development and testing
>in any way prevent Linux from not just matching the scalability of existing OSes but far exceeding them?
>Just curious.

Well SGI is building now 2048 core SSI Linux machines.But OTOH AFAIK SGI modifications to the kernel aren't open source.

Your hypothesis is interesting nonetheless.
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