运行SimAI-Simulation样例时出现段错误(segment fault)
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Description
我在运行simai的readme的“快速开始(quick start)”时给出的对SimAI-Simulation的测试代码时遇到了这个问题,这段测试代码如下:
# Create network topo
$ python3 ./astra-sim-alibabacloud/inputs/topo/gen_Topo_Template.py -topo Spectrum-X -g 128 -gt A100 -bw 100Gbps -nvbw 2400Gbps
# Running
$ AS_SEND_LAT=3 AS_NVLS_ENABLE=1 ./bin/SimAI_simulator -t 16 -w ./example/microAllReduce.txt -n ./Spectrum-X_128g_8gps_100Gbps_A100 -c astra-sim-alibabacloud/inputs/config/SimAI.conf
它的运行结果如下:
我在尝试用AICB生成工作负载,用TOPO生成网络拓扑后自定义运行之后也会碰到一样的问题,我看到之前的issue中有人提到过类似的问题,但被认为是AICB的问题。我不清楚我遇到的是否和之前的问题是一样的,因为我在运行理论上不应该出错的官方样例时一样会出现段错误,为了排除环境问题,我单独开了一个绝对纯净的环境来运行,问题一样。
期待回答。
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the README Quick Start instructions and reproduce the commands using gen_Topo_Template.py, example/microAllReduce.txt, and SimAI.conf. Compare the generated Spectrum-X topology and SimAI_simulator output with the reported segmentation fault; done means the official sample runs without crashing.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100