Mike-
> I should have summarised this by saying: Correct use of the latency
> timer will shorten your DMA bursts for you when necessary, giving you the
> best of both worlds. When it's safe to run a long burst, you will. When
> you need to push a device off the bus, that will happen too.
Af
On Sun, 05 Dec 1999, you wrote:
>
> > The question: Why doesn't this work... it seem so straight forward...
>
> I'm not sure about the code in question, but the basic assumptions you're
> making about PCI's behaviour are flawed. To achieve the goal you're
> trying to, you need to reduce the va
Question,
I am a graduate student at Duke University. Currently, I am part of a team to
build a terabit router using a cluster connected with Myrinet. One aspect of
the project is to tune the devices & drivers to perform cooperatively... In a
routing situation, the 1500B dma takes roughly 11us
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