I don't think this will work directly. IIRC, QEMU tries to mmap() the entire physical memory space on start up, so telling it that you want 192GB of main memory is going to just fail.
On Mon, Dec 2, 2013 at 2:38 PM, Hassan, Ahmad <[email protected]> wrote: > Thanks Tyler. How can configure the system with DRAM as 64GB and nvram as > 128GB on marss.hybridsim code base ( > https://github.com/jimstevens2001/marss.hybridsim) > > Kind Regards, Ahmad > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > Sent: 02 December 2013 19:22 > To: Hassan, Ahmad > Cc: Brendan Fitzgerald; [email protected] > Subject: Re: [marss86-devel] Large Hybrid main memory > > https://github.com/jimstevens2001/HybridSim > > Tyler > > > So the hybrid memory DRAM/NVRAM hierarchy described in the paper > > (http://www.ece.umd.edu/~blj/papers/itj2013.pdf) hasn't been available > in > > source code yet? > > > > Kind Regards, Ahmad > > > > From: [email protected] [mailto:[email protected]] On Behalf > > Of Brendan Fitzgerald > > Sent: 02 December 2013 19:11 > > To: Hassan, Ahmad > > Cc: [email protected] > > Subject: Re: [marss86-devel] Large Hybrid main memory > > > > MARSS doesn't support that, so you'll have to do it yourself. > > > > On Mon, Dec 2, 2013 at 1:55 PM, Hassan, Ahmad > > <[email protected]<mailto:[email protected]>> wrote: > > > >>When you start a simulation, add -m option to configure qemu with the > >> required size of main memory. > >>http://wiki.gentoo.org/wiki/QEMU/Options > > > > Thanks. That will configure the total RAM size. But where shall I define > > Hybrid memory with DRAM as 64GB and PCM as 128GB so that I can simulate > > different latencies and power of these hybrid memories? > > > > --Ahmad > > > > On Mon, Dec 2, 2013 at 1:35 PM, Hassan, Ahmad > > <[email protected]<mailto:[email protected]>> wrote: > > > >>1. Yes, but you would have to figure out how the partitioning would work > >> for you. > > > > Thanks Brendan. Please can you point me to the configuration file where I > > can configure such system? In terms of Partitioning, I want to distribute > > memory access packets between different memories based on virtual > address. > > For example I want virtual address range 0 till 2GB to go through memory > > type 1 and rest of the virtual address goes through memory type 2. Which > > place in marss86 would that be possible to implement this logic please? > > > > Thanks > > Ahmad > > > > On Mon, Dec 2, 2013 at 1:17 PM, Hassan, Ahmad > > <[email protected]<mailto:[email protected]>> wrote: > > Hi All, > > > > Please I have two questions regarding MARSS86 > > > > > > 1) Is it possible to simulate hybrid main memory with DRAM ~ 64GB > and > > PCM (slower DRAM) ~ 128GB in MARSS86? So Total main memory 64 + 128 = 192 > > GB > > > > 2) Can we get power/energy statistics from Marss86 main memory model > > without using dramsim2 because dramsim2 is cycle accurate which results > in > > extremely slow simulation speed. > > > > Thanks. > > > > -Ahmad > > > > _______________________________________________ > > http://www.marss86.org > > Marss86-Devel mailing list > > [email protected]<mailto:[email protected]> > > https://www.cs.binghamton.edu/mailman/listinfo/marss86-devel > > > > > > _______________________________________________ > > http://www.marss86.org > > Marss86-Devel mailing list > > [email protected]<mailto:[email protected]> > > https://www.cs.binghamton.edu/mailman/listinfo/marss86-devel > > > > > > _______________________________________________ > > http://www.marss86.org > > Marss86-Devel mailing list > > [email protected] > > https://www.cs.binghamton.edu/mailman/listinfo/marss86-devel > > > > > > _______________________________________________ > http://www.marss86.org > Marss86-Devel mailing list > [email protected] > https://www.cs.binghamton.edu/mailman/listinfo/marss86-devel >
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