aliyun / aliyun/SimAI

Simulation only includes internal host traffic

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Dominant language
Python
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Description

After adding code logging between GPUs and running the sample program, it seems there's no inter-host traffic, only traffic between the 8 GPUs within each host. Is this correct? Other workloads also show no traffic.

SimAI.log

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the attached SimAI.log and the sample program that produced it, then trace how GPU topology and inter-host traffic are configured. Compare the observed internal-only traffic with the expected behavior for other workloads. Done when the absence of inter-host traffic is explained or corrected and the result is verified with a sample workload.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
distributed-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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