onnxruntime

9b446d5f - Longformer Attention CUDA kernel memory Improvements (#6646)

Longformer Attention CUDA kernel memory Improvements (#6646) * Integrate memory improvements from NVidia * compute max_global_num before buffer allocation * update conversion script to support transformers 4.0 * update benchmark script for creating dummy inputs for different batch_size * Use a wrapper of cuda event to avoid memory leak