Re: [Gems-users] Physical Memory Parameters

[Brinda Ganesh <brinda_ganesh@xxxxxxxxx>]

I created a network file similar to the ones in the
network/simple/Netowrk_Files. I set the number of
memories to 1 in this file. I am using  2 processors
and a modified form of the MOESI_SMP_directory
protocol.

The netowrk type is specified as FILE_SPECIFIED. 

The network initialization crashes if I specify a link
for more than 1 Directory. 
failed assertion 'nodes[i] >= 0 && nodes[i] < m_nodes'
at fn void Topology::makeFileSpecified() in
network/simple/Topology.C:511

If I specify only one directory I get the crash that
occurred earlier with the Hierarchial switch network
type. 
failed assertion 'id < m_nodes' at fn void
SimpleNetwork::checkNetworkAllocation(NodeID, bool,
int) in network/simple/SimpleNetwork.C:199

This seems to be related to a call from
getToNetworkQueue being called during chip
initialization. 

Im a little confused about whether its the way my
network file is being specified which is causing the
error or if there is some other parameter I need to
change as well.

Thanks
Brinda

--- Brinda Ganesh <brinda_ganesh@xxxxxxxxx> wrote:

> Im using the HIERARCHICAL_SWITCH network.
> Thanks
> Brinda
> 
> --- Mike Marty <mikem@xxxxxxxxxxx> wrote:
> 
> > > How does ruby pass back the installed memory
> size
> > > information back to simics? Im assuming that
> this
> > > information is conveyed somehow so that the os
> can
> > > swap things in and out of disk if the virtual
> > memory
> > > size gets larger than the installed physical
> > memory
> > > size.
> > >
> > 
> > Ruby doesn't pass this information to Simics.  You
> > have to configure Ruby
> > to match the installed memory in your Simics
> > checkpoint that you load.
> > 
> > > I tried resetting the number of memories to 1 so
> > that
> > > it was not equal to the number of processors (2)
> > in
> > > the system but it causes the system to crash...
> Is
> > > there some other parameter tha t I need to
> reset?
> > >
> > 
> > Hmm....what NETWORK_TOPOLOGY?  Its possible that
> our
> > auto-generated
> > networks assume that the # memories == #
> processors.
> >  But I'll have to
> > check the code for this.  Regardless you can
> create
> > a network file by hand
> > if you need to.
> > 
> > 
> > _______________________________________________
> > Gems-users mailing list
> > Gems-users@xxxxxxxxxxx
> >
>
https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > 
> 
> 
> 
> 		
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