GPU is not utilized and no progress happening

I have modified the code for Resnet_152_v1 and python multi_gpu_train.py. But GPU memory 1234MB only used, But GPU is not utilized ( i have set the GPU_GROUP = "0"). CPU utilization is above 230%. But it does not show the steps/epochs. I have waited for 1 hour also, no progress (refer the screenshot below) happening. Could you please suggest me what is missing in my code and config?

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Read the modified Resnet_152_v1 code and python multi_gpu_train.py first, then inspect the GPU_GROUP="0" configuration and run the training entry point while checking whether steps or epochs advance. Done means the cause of the missing progress and GPU utilization is identified and documented with a reproducible configuration or diagnostic.

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