TAO5 - Detectnet_v2 - MultiGPU TAO API Stuck - EXTRA GPU

After checking, it is a known limitation. The peer-to-peer is disabled on 4090. More info can be found in

For nccl-test, the workaround is to run as below.
$ NCCL_P2P_DISABLE=1 ./build/all_reduce_perf -b 8 -e 128M -f 2 -g 3