[Twisted-Python] Limits of human perception

[Tommi Virtanen]

On Thu, Oct 17, 2002 at 09:39:33PM +0100, Andy Robinson wrote:
> What's a good guideline duration for a CPU-heavy job before one 
> should consider threading?  0.01 sec? 0.1 sec? 1 sec?

	It's an old wisdom that a human perceives pauses
	of over 1/100 second in length.

	Though in a networked server you have multiple users,
	and even smaller pauses matter a lot if they come
	often (I'd say more than once an hour). Pauses of 1s
	in a network server are intolerable.

-- 
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