multi-core software

Paul Rubin http
Sat Jun 6 22:58:55 EDT 2009

George Neuner <gneuner2 at> writes:
> Even the lightest weight
> user space ("green") threads need a few hundred instructions, minimum,
> to amortize the cost of context switching.

I thought the definition of green threads was that multiplexing them
doesn't require context switches.

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