Make GPT-2 greedy search run on GPU instead of CPU
Make GPT-2 greedy search run on GPU instead of CPU

Signed-off-by: Rajeev Rao <19c92b5a16bf20c576205f71d12c68705f41f65b@nvidia.com>

NVIDIA/TensorRT,NVIDIA/TensorRT,NVIDIA/TensorRT,NVIDIA/TensorRT,NVIDIA/TensorRT