CUDA error with parameter --num-gpus 2
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Description
GPUs: 2 x RTX 4090 24G
run below command: python3 -m fastchat.serve.cli --model-path ~/vicuna-13b-1_1-hf/ --num-gpus 2
All it's ok before i input prompt, I tried to input "hello", get below error:
RuntimeError: CUDA error: device-side assert triggered
CUDA kernel errors might be asynchronously reported at some other API call, so the stacktrace below might be incorrect.
For debugging consider passing CUDA_LAUNCH_BLOCKING=1.
Compile with `TORCH_USE_CUDA_DSA` to enable device-side assertions.
How to fix it?
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Research direction
Start with the reported command, python3 -m fastchat.serve.cli --model-path ~/vicuna-13b-1_1-hf/ --num-gpus 2, and reproduce the failure after entering "hello". Run it with CUDA_LAUNCH_BLOCKING=1 to obtain a more useful traceback; done means identifying and fixing the multi-GPU prompt failure so the command completes successfully.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- cli, machine-learning
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100