See PhysicalMemory::calculateLatency() in src/mem/physical.cc. If all you want to do is vary the latency based on the DRAM power state you could do it there, I would think.
On 11/10/07, Sujay Phadke <[EMAIL PROTECTED]> wrote: > How do I change the latency of Phy Mem dynamically? I want to simulate dram > state transitions and all I need to do is change the latency to model > active, standby, powerdown states. (is this right?). > > - Sujay > > ----- Original Message ----- > From: "Steve Reinhardt" <[EMAIL PROTECTED]> > To: "M5 users mailing list" <m5-users@m5sim.org> > Sent: Saturday, November 10, 2007 12:02 PM > Subject: Re: [m5-users] 2.0b4 PhysicalMemory::doAtomicAccess() for > ExclusiveReads Problem > > > > OK, I'll take a look... I just hacked a randomized latency into > > PhysicalMemory to try and reproduce the problem but it's still working > > for me. I'll run some longer tests to see if I can reproduce it. If > > not, would you be willing to send me your code so I can see if I can > > track it down? > > > > Also, what kind of memory hierarchy are you using (uni- vs > > multiprocessor, # of cache levels, etc.)? > > > > Steve > > > > On 11/9/07, Joe Gross <[EMAIL PROTECTED]> wrote: > >> Same problem even when doAtomicAccess() is performed before delaying the > >> return of the packet (thus ensuring that this is performed in order). I > >> checked to see if the packets were being returned in order with any > >> configuration of my memory simulator and they frequently aren't (some > >> ranks/banks see much more traffic). So it seems that it's a problem not > >> of doing the doAtomicAccess() but rather of sending the packets back in > >> a different order and it's somehow different than b3 when this > >> rearrangement worked fine. > >> > >> Joe > >> > > _______________________________________________ > > m5-users mailing list > > m5-users@m5sim.org > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > _______________________________________________ > m5-users mailing list > m5-users@m5sim.org > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > _______________________________________________ m5-users mailing list m5-users@m5sim.org http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
