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

[Nikhil Jain]

routing_folder and dot_file are keywords/parameters in the config file whose values were chosen by you during the topology dump run. It is described in the second step "2- Static Routing”.

---
Nikhil Jain
Postdoctoral Fellow, Lawrence Livermore National Laboratory
nikhil.jain at acm.org, http://nikhil-jain.github.io/

> On Mar 13, 2017, at 14:25, Peixin Qiao <pqiao at hawk.iit.edu> wrote:
> 
> 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 <mailto: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 <mailto:nikhil.jain at acm.org>, http://nikhil-jain.github.io/ <http://nikhil-jain.github.io/>
>> On Mar 13, 2017, at 10:31, Peixin Qiao <pqiao at hawk.iit.edu <mailto: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 <http://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 <http://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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> 
> 

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