fixed train iteration to much longer

scripts/benchmarking/launch_train_blender.sh

@@ -8,7 +8,8 @@ for dataset in ${DATASETS[@]}; do
            data.dataset.data_directory=data/blender/${dataset} \
            experiment_name=blender_${dataset} \
            graph.model_dir=mattport_models/ \
-           graph.steps_per_save=5000 \
+           graph.steps_per_save=25000 \
+           graph.max_num_iterations=2000000 \
            logging.enable_stats=False \
            logging.enable_profiler=False &
     echo "Launched ${dataset} on gpu ${!GPU_IDX}"