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Set Multi-GPU in configuration file
Make cxxnet work in distributed system
- To use multi-GPU, set the field with the corresponding device id
dev = gpu:0,1,2,3
or
dev = gpu:0-3
which indicate cxxnet will use the first four GPU to do the training task
Parameter Server is the backend of multi-gpu / distributed training part of cxxnet. For multi-gpu, the parameter is running on local machine so you don't need to set mannually.
For distributed case TODO