Thank you for your detailed instructions!
Should I extract the tar files to /data?
I’m also getting this when trying to run run_resnet.sh:
[rzou@devgpu041.ash5 ~/pytorch/undefined-bug/pytorch-faster-rcnn]  ./experiments/script
s/run_resnet.sh
Traceback (most recent call last):
  File "./tools/trainval_net.py", line 20, in <module>
    from nets.vgg16 import vgg16
  File "/home/rzou/pytorch/undefined-bug/pytorch-faster-rcnn/tools/../lib/nets/vgg16.py", line 10, in <module>
    from nets.network import Network
  File "/home/rzou/pytorch/undefined-bug/pytorch-faster-rcnn/tools/../lib/nets/network.py", line 20, in <module>
    from layer_utils.proposal_layer import proposal_layer
  File "/home/rzou/pytorch/undefined-bug/pytorch-faster-rcnn/tools/../lib/layer_utils/proposal_layer.py", line 13, in <module>
    from model.nms_wrapper import nms
  File "/home/rzou/pytorch/undefined-bug/pytorch-faster-rcnn/tools/../lib/model/nms_wrapper.py", line 11, in <module>
    from nms.pth_nms import pth_nms
  File "/home/rzou/pytorch/undefined-bug/pytorch-faster-rcnn/tools/../lib/nms/pth_nms.py", line 2, in <module>
    from _ext import nms
ModuleNotFoundError: No module named '_ext'