Hi Tushar,
Thanks for the tip!! Now, I am able to run the code without it being
aborted. I am also able to see some network related statistics in the
ruby.stats file.
I am trying to understand how the router architecture has been modeled
within garnet. There are two fields which I am not able to understand
as to what do they mean.
1. m_virtual_networks -> number of virtual networks
2. m_vc_per_vnet -> number of vcs per virtual network
What does number of virtual networks mean?
Thanks,
Pavan
On Jan 28, 2012, at 12:55 PM, Tushar Krishna wrote:
Hi Pavan,
I don't think its been pushed yet as I didnt see any email either.
This is the thread I am talking about:
http://www.mail-archive.com/gem5-dev@gem5.org/msg02546.html
If you are in a hurry, perhaps you can just add the change yourself
in ruby_network_test.py into your local repo:
ruby_port.access_phys_mem = False
i += 1
# ADD THE FOLLOWING LINE:
system.system_port = system.ruby._sys_port_proxy.port
But remember to remove it when you do a hg pull -u later when the
patch gets pushed in.
cheers,
Tushar
On 1/28/12 2:19 PM, Pavan Poluri wrote:
Hi Tushar,
I did not receive any emails regarding the patch for the issue with
GARNET. I was just wondering may be I subscribed to a different
list and the patch is already out. Has the patch been approved and
already out in the latest version of gems code?
Thanks a lot!!
Thanks,
Pavan
On Jan 27, 2012, at 12:39 PM, Tushar Krishna wrote:
No emails related to code reviews and changes only come on the dev
list.
On 1/27/12 2:18 PM, Pavan Poluri wrote:
Hi Tushar,
I am currently building gem5 binary with MOESI_hammer. I will try
to invoke garnet with that binary as you suggested
after it is done. As per the patch, can I subscribe to the gem5-
dev list to receive the emails regarding it or do those emails
appear on gem5-users list too?
Thanks,
Pavan
On Fri, Jan 27, 2012 at 11:57 AM, Tushar Krishna <tus...@csail.mit.edu
> wrote:
Hi Pavan,
I saw Nilay approve the patch on the gem5-dev mailing list today
so just wait for the author of the patch (Andreas) to push it in.
You will see an email on the gem5-dev list when he does that.
The Network_test protocol is tied to the ruby_network_test.py
script.
It basically allows you to perform network-only simulations.
By running a different protocol, I meant building MOESI_hammer or
MOESI_CMP_directory for instance, and running it with
ruby_random_test.py, ruby_se.py and so on.
Basically garnet itself can be plugged in when running any
protocol.
If you do want to run garnet-only simulations, I would say wait
for the patch to be pushed in and then perform a hg pull -u and
run the same command you ran earlier.
ruby_network_test.py seems to have broken recently due to some
other changes.
cheers,
Tushar
On 1/27/12 1:51 PM, Pavan Poluri wrote:
Hi Tushar,
Thank you for your quick reply. Can you please tell me how can I
get access to this patch you are suggesting? And also you said
that with any other protocol garnet would work fine. I did not
really understand the statement. Does changing the protocol mean
running a different python script instead of
ruby_network_test.py or changing the topology?
Thanks,
Pavan
On Jan 27, 2012, at 11:28 AM, Tushar Krishna wrote:
Yeah the warnings are always there but they are not a problem.
The specific error with regard to
the system port are specific
to the ruby network tester which the patch fixes.
If you run garnet with any other protocol, it should work fine.
- Tushar
On 1/27/12 1:26 PM, Malogro wrote:
I've been running Garnet Networks for a while in GEM5 and I've
always had those warnings. They do not seem to interfere with
the overall results (not the ones I'm using anyway)
Also, the warnings don't appear in flexible pipeline Garnets.
Have you tried that to see what happens?
Your command line ran just fine over here both in the debug
and opt versions (provided the missing space after --fixed-
pkts was a typo)
If you still have no success, I'd do what Tushar said and wait
for the patch to be pushed.
Regards,
Alexandre Yasuo Yamamoto
On Fri, Jan 27, 2012 at 11:17 AM, Tushar Krishna <tus...@csail.mit.edu
> wrote:
Hi Pavan,
As you probably noticed, a patch has just been approved on the
gem5-dev list to fix this issue...
Keep a look out on that list for the patch to be pushed, and
then try it ..
cheers,
Tushar
On 1/27/12 1:11 AM, Pavan Poluri wrote:
Hello,
I am trying to invoke garnet module in gem5.
As given in the documentation I built gem5 binary using
scons build/ALPHA_SE_Network_Test/gem5.debug
After that, I executed the following command
./build/ALPHA_SE_Network_test/gem5.debug configs/example/
ruby_network_test.py --num-cpus=16 --num-dirs=16 --
topology=Mesh --mesh-rows=4 --sim-cycles=1000 --
injectionrate=0.01 --synthetic=0 --fixed-pkts--maxpackets=1
--garnet-network=fixed
I get a lot of warning messages that say
warning: add_child('cls') : child 'credit_links0
credit_links1' already has parent
and then a panic message like the following is displayed
panic: System port on system is not connected. (I checked out
this message is printed from system.cc file in sim directory
which is under src directory)
Program aborted at cycle 0.
Aborted.
I have tried reading through the documentation as well as the
Frequently Asked Questions to find out a solution for it. I
was not able to.
Any help/advice on solving this issue is greatly appreciated.
Thanks for your time.
Thanks,
Pavan
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