On Wed, Jun 06, 2001 at 12:57:03AM +1200, Chris Wedgwood wrote:
> I don't know about the CRIS (never heard of it, what is it?), but on
> an Athlon when benchmarking stuff, I could still see L1 cache hits
> from data that was 15 seconds old under certain work-loads (obviously
> not gcc!). Does anyone know how old something may exisit in cache
> before being written back to RAM?
I know of no architecture that has a time limit that after which's expire
caches get written back to memory. In other words cache lines may stay
dirty for an indefinate time if things are just right.
Ralf
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This archive was generated by hypermail 2b29 : Thu Jun 07 2001 - 21:00:39 EST