fix: replace ResNet50.yaml with ResNet50_amp_O2_ultra.yaml when AMPO2

It is needed that use dali, NHWC and 4 channels when training ResNet50 with AMPO2

test_tipc/benchmark_train.sh

@@ -179,6 +179,11 @@ for batch_size in ${batch_size_list[*]}; do
             func_sed_params "$FILENAME" "${line_epoch}" "$epoch"
             gpu_id=$(set_gpu_id $device_num)
 
+            # It is needed that using dali, NHWC and 4 channels when training ResNet50 with AMPO2
+            if [[ $model_name == "ResNet50" && $precision == "fp16" ]]; then
+                sed -i "s/ResNet50.yaml/ResNet50_amp_O2_ultra.yaml/g" $FILENAME
+            fi
+
             # if bs is big, then copy train_list.txt to generate more train log
             # At least 25 log number would be good to calculate ips for benchmark system.
             # So the copy number for train_list is as follows: