Re: [Gems-users] RING Topolgy

[Shoaib Altaf <shoaibbinalt@xxxxxxxx>]

But I am unable to locate the Files in which I can make such changes. Can 
you guide me in this regard?
Regards
Muhammad Shoaib


--------------------------------------------------
From: "Niket Agarwal" <niketa@xxxxxxxxxxxxx>
Sent: Monday, April 06, 2009 2:56 PM
To: "Gems Users" <gems-users@xxxxxxxxxxx>
Subject: Re: [Gems-users] RING Topolgy

> Whenever a link is created, two corresponding links are created in
> both directions. I think you can remove the reverse direction links
> and things should work fine.
>
> One thing you might want to take a look at is deadlocks. A ring can
> have deadlocks if you simulate limited VCs and buffers. You might want
> to implement some standard deadlock avoidance mechanism.
>
> Cheers,
> Niket
>
> On Apr 6, 2009, at 3:12 PM, Muhammad Shoaib wrote:
>
> > Thanks Greg for the reply.
> >
> > But can you guide me where should I look for if I want to make my
> > links to be unidirectional. Does the Routing algorithm needs to be
> > changed or some parametric changes???
> >
> > Muhammad Shoaib
> >
> >
> > ----- Original Message -----
> > From: Greg Byrd <gbyrd@xxxxxxxx>
> > Date: Saturday, April 4, 2009 8:53 pm
> > Subject: Re: [Gems-users] RING Topolgy
> > To: Gems Users <gems-users@xxxxxxxxxxx>
> >
> >
> > > This is certainly a ring, but it won't be a unidirectional ring
> > > unless
> > > you change how routing is done.  The links are bidirectional, and the
> > > routing algorithm generates a shortest-path table.  So a packet will
> > > go in the direction that is the shortest path to its destination.
> > >
> > > I don't know if you want a unidirectional ring.  If not, I think
> > > you're done!
> > >
> > > ...Greg
> > >
> > >
> > > Muhammad Shoaib wrote:
> > > > Hi All,
> > > >
> > > > Will the following be a valid RING Topology, specified in a file
> > > "RING_Procs-16_ProcsPerChip-16_L2Banks-16_Memories-16.txt"   ???
> > > > processors:16
> > > > procs_per_chip:16
> > > > L2banks:16
> > > > memories:16
> > > >
> > > > ext_node:L1Cache:0 int_node:0 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:1 int_node:1 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:2 int_node:2 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:3 int_node:3 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:4 int_node:4 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:5 int_node:5 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:6 int_node:6 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:7 int_node:7 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:8 int_node:8 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:9 int_node:9 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:10 int_node:10 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:11 int_node:11 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:12 int_node:12 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:13 int_node:13 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:14 int_node:14 link_latency:1 bw_multiplier:72
> > > > ext_node:L1Cache:15 int_node:15 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:0 int_node:0 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:1 int_node:1 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:2 int_node:2 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:3 int_node:3 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:4 int_node:4 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:5 int_node:5 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:6 int_node:6 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:7 int_node:7 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:8 int_node:8 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:9 int_node:9 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:10 int_node:10 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:11 int_node:11 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:12 int_node:12 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:13 int_node:13 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:14 int_node:14 link_latency:1 bw_multiplier:72
> > > > ext_node:L2Cache:15 int_node:15 link_latency:1 bw_multiplier:72
> > > > ext_node:Directory:0 int_node:0 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:1 int_node:1 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:2 int_node:2 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:3 int_node:3 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:4 int_node:4 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:5 int_node:5 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:6 int_node:6 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:7 int_node:7 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:8 int_node:8 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:9 int_node:9 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:10 int_node:10 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:11 int_node:11 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:12 int_node:12 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:13 int_node:13 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:14 int_node:14 link_latency:20 bw_multiplier:80
> > > > ext_node:Directory:15 int_node:15 link_latency:20 bw_multiplier:80
> > > >
> > > >
> > > > int_node:0 int_node:1 link_latency:1 bw_multiplier:72
> > > > int_node:1 int_node:2 link_latency:1 bw_multiplier:72
> > > > int_node:2 int_node:3 link_latency:1 bw_multiplier:72
> > > > int_node:3 int_node:4 link_latency:1 bw_multiplier:72
> > > > int_node:4 int_node:5 link_latency:1 bw_multiplier:72
> > > > int_node:5 int_node:6 link_latency:1 bw_multiplier:72
> > > > int_node:6 int_node:7 link_latency:1 bw_multiplier:72
> > > > int_node:7 int_node:8 link_latency:1 bw_multiplier:72
> > > > int_node:8 int_node:9 link_latency:1 bw_multiplier:72
> > > > int_node:9 int_node:10 link_latency:1 bw_multiplier:72
> > > > int_node:10 int_node:11 link_latency:1 bw_multiplier:72
> > > > int_node:11 int_node:12 link_latency:1 bw_multiplier:72
> > > > int_node:12 int_node:13 link_latency:1 bw_multiplier:72
> > > > int_node:13 int_node:14 link_latency:1 bw_multiplier:72
> > > > int_node:14 int_node:15 link_latency:1 bw_multiplier:72
> > > > int_node:15 int_node:0 link_latency:1 bw_multiplier:72
> > > >
> > > >
> > > > Regards
> > > >
> > > >
> > > > _______________________________________________
> > > > Gems-users mailing list
> > > > Gems-users@xxxxxxxxxxx
> > > > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > > > Use Google to search the GEMS Users mailing list by adding
> > > "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.
> > > >
> > >
> > > _______________________________________________
> > > Gems-users mailing list
> > > Gems-users@xxxxxxxxxxx
> > > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > > Use Google to search the GEMS Users mailing list by adding
> > > "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.
> > _______________________________________________
> > Gems-users mailing list
> > Gems-users@xxxxxxxxxxx
> > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > Use Google to search the GEMS Users mailing list by adding 
> > "site:https://lists.cs.wisc.edu/archive/gems-users/
> > " to your search.
> _______________________________________________
> Gems-users mailing list
> Gems-users@xxxxxxxxxxx
> https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> Use Google to search the GEMS Users mailing list by adding 
> "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.