Is there an easy way to configure the system like that (1 icache only)? (editing the python script?)
-- Eberle. On Wed, Jul 21, 2010 at 6:43 PM, Steve Reinhardt <[email protected]> wrote: > That would probably work. Thanks for cluing me in... hadn't thought > about verification applications. > > Steve > > On Wed, Jul 21, 2010 at 12:48 PM, Eberle <[email protected]> wrote: > > What about using only an icache and no dcache? > > We're experimenting with a new verification technique and want to observe > > the behavior with and without caches. > > > > -- > > Eberle. > > > > > > On Wed, Jul 21, 2010 at 2:37 PM, Steve Reinhardt <[email protected]> > wrote: > >> > >> O3 can deadlock if it doesn't have independent I&D caches... if the > >> dcache blocks, the pipeline will continuously replay blocked loads, > >> which saturates the icache port and will prevent the blocked loads > >> from issuing if they don't have an independent path. > >> > >> (At least that's how I remember it... I'm not sure why we go all the > >> way back to fetch to replay the blocked loads, but it's something like > >> that.) > >> > >> We never bothered to deal with it because we couldn't think of a > >> reasonable scenario where anyone would want a detailed CPU model w/o a > >> reasonably detailed cache hierarchy too. I'm curious what your > >> motivation is... > >> > >> Steve > >> > >> On Wed, Jul 21, 2010 at 10:06 AM, Eberle <[email protected]> wrote: > >> > Is there a way to use the O3 CPU without caches, only using the main > >> > memory? > >> > > >> > Thanks, > >> > > >> > -- > >> > Eberle. > >> > > >> > _______________________________________________ > >> > m5-users mailing list > >> > [email protected] > >> > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > >> > > >> _______________________________________________ > >> m5-users mailing list > >> [email protected] > >> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > _______________________________________________ > > m5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > _______________________________________________ > m5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >
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