[codes-ross-users] how to use fattree static routing

[Peixin Qiao]

When I run the third step as README.fattree.txt:

# 3. Choose a routing algorithm which should be used by OpenSM
# (possible options: updn, dnup, ftree, lash, dor, torus-2QoS, dfsssp, sssp)
# export OSM_ROUTING="ftree"
# ~/simulation/scripts/create_static_lft.sh routing_folder dot_file

# (here routing_folder and dot_file should be same as the one used during
the run used to dump the topology)

# Now, the routing table stored as LFT files should be in the
routing_folder.

So what is the routing_folder and dot_file? Is the following correct?

routing_folder: mkdir routing_folder
dot_file: python simulate.py createIBNet -t XGFT -xh 3 -xm 18,18,36 -xw
1,18,18 -sp 36 (get 2 files: net.dot and net.txt)

Thanks,
Peixin

On Mon, Mar 13, 2017 at 1:52 PM, Nikhil Jain <nikhil.jain at acm.org> wrote:

> Did the script die or you killed it? If you killed it, after how long?
> What size system are you generating routing for?
>
> ---
> Nikhil Jain
> Postdoctoral Fellow, Lawrence Livermore National Laboratory
> nikhil.jain at acm.org, http://nikhil-jain.github.io/
>
> On Mar 13, 2017, at 10:31, Peixin Qiao <pqiao at hawk.iit.edu> wrote:
>
> Hi CODES,
>
> When I run the command in README.fattree.txt, I cannot finish creating
> static routing table. The third step cannot be finished as follows:
>
> peixin at peixin:~/simulation/scripts/routing_folder$ ls
> net.dot  net.txt
> peixin at peixin:~/simulation/scripts/routing_folder$ cd ..
> peixin at peixin:~/simulation/scripts$ ~/simulation/scripts/create_static_lft.sh
> /home/peixin/simulation/scripts/routing_folder/ net
> dot file already exists.
> running createIBNet.py
> Selected configuration:
>   Output:  /home/peixin/simulation/scripts/routing_folder/topo.net
>   Topology:  XGFT
>   Number of endpoints:  8
>   Number of ports per endpoints:  1
>   Number of switches:  4
>   Number of ports per switch:  36
>   Dimensions for Mesh/Torus: -1, -1, -1
>   k-ary-n Tree: -1 -ary- -1
>   Kautz K(b,n): K(-1; -1)
>   XGFT(h,m,w): XGFT(3; 18,18,36; 1,18,18)
>   Dragonfly(a,p,h) : Dragonfly(-1, -1, -1) with -1 groups
>   Cascade(a,p,h,g) : Cascade(96, 8, 10) with -1 groups
>   Tofu(d1,d2,d3) : Tofu(-1, -1, -1) with -1 groups
>
> This program also writes an dot-file to plot the graph with Graphviz.
> Try:
>   dot / neato /home/peixin/simulation/scripts/routing_folder/topo.dot
> -Tpng -o graph.png && evince graph.png
> running simulate.py
> Run ibsim...
> Run opensm...
> ^CTraceback (most recent call last):
>   File "/home/peixin/simulation/scripts/simulate.py", line 1140, in
> <module>
>     app = runSim(options.network, options.routing, options.pattern)
>   File "/home/peixin/simulation/scripts/simulate.py", line 826, in
> __init__
>     time.sleep(60)
> KeyboardInterrupt
> peixin at peixin:~/simulation/scripts$ cd routing_folder/
> peixin at peixin:~/simulation/scripts/routing_folder$ ls
> log.txt  net.dot  net.txt  ofedout  rootguids.conf  topo.dot  topo.net
> peixin at peixin:~/simulation/scripts/routing_folder$
>
>
>
> How to create fat-tree static routing table with 36-ports switch?
>
> Thanks,
> Peixin
>
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