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SubjectRe: SCO: "thread creation is about a thousand times faster than on native Linux"
Date
Hello!

> The SGI scheduler patch fixes that iirc, just unfortunately it didn't get
> merged :-/

Indeed. Is it the same patch where pointer to cpu local data is help
in current?


> Looks like it is an degenerated case of the fast path concept
> (or is it less costly than manipulating a few counters/pointers during
> the scheduler operations -- I don't know)
> There is other stuff like this, e.g. the loadavg computation in the timer tick.

It is not a fast path, it is suboptimal for all the cases,
but single process existing in the system. Seems, it is plain dusty place
not cleaned seriously since about linux-0.01. 8)

Alexey
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