How to use optimizer of "--composite" in command line?

[b3y0nd]

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What is your question?

Can anyone provide an example of using the composite parameter on the fairseq-train command line?
e.g ,I have two parameter groups : parm1 and parm2,How do I use composite to set different parameters for these two parameter sets?

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What's your environment?

• fairseq Version (e.g., 1.0 or main): 0.12.2
• PyTorch Version (e.g., 1.0) 1.13
• OS (e.g., Linux): Ubuntu 22.04
• How you installed fairseq (pip, source):
• Build command you used (if compiling from source):
• Python version:
• CUDA/cuDNN version:
• GPU models and configuration:
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