uncached user space mapping with mmap() ???
steven.scholz at imc-berlin.de
Fri Mar 5 22:41:55 EST 2004
Jon Masters wrote:
> | Is it always better to map only the small part I am going to use?
> Of course it is always best to map only the small range that you are
> going to use and there will not necessarily be only one TLB mapping (I
> am here referring to your comments on ARM Linux Kernel List) etc. etc.
> However here especially I am inclined to repeat what they said on the
> other list - these figures are so close that they might differ for other
> reasons and so on. Did you repeat this in a controlled way many times?
Yes. The thruput is calculated after repeating the loop 1000 times
(Retries = 1000).
> You will need to answer the questions Russell King posted in order for
> us to work through this and figure out where the difference lies.
I am just about to do it.
imc Measurement & Control imc Meßsysteme GmbH
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13355 Berlin 13355 Berlin
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