init commit

eval_utils/dataset.py

eval_utils/fid_score.py

eval_utils/inception.py

eval_utils/inception_score.py

finetune/__init__.py

fp16/__init__.py

fp16/fp16.py

fp16/fp16util.py

fp16/loss_scaler.py

generate_samples.py

generation/__init__.py

generation/magnify.py

generation/sampling.py

learning_rates.py

model/__init__.py

model/distributed.py

model/gpt2_modeling.py

mpu/__init__.py

mpu/cross_entropy.py

mpu/data.py