# Computation times **00:32.304** total execution time for 5 files **from auto_examples/basics**: | Example | Time | Mem (MB) | |--------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------|------------| | [Use iterative reconstruction algorithms](https://deepinv.org/auto_examples/basics/demo_custom_optim.html.md#sphx-glr-auto-examples-basics-demo-custom-optim-py) (`demo_custom_optim.py`) | 00:21.069 | 0 | | [5 minute quickstart tutorial](https://deepinv.org/auto_examples/basics/demo_quickstart.html.md#sphx-glr-auto-examples-basics-demo-quickstart-py) (`demo_quickstart.py`) | 00:07.778 | 0 | | [Bring your own dataset](https://deepinv.org/auto_examples/basics/demo_custom_dataset.html.md#sphx-glr-auto-examples-basics-demo-custom-dataset-py) (`demo_custom_dataset.py`) | 00:02.174 | 0 | | [Use a pretrained model](https://deepinv.org/auto_examples/basics/demo_pretrained_model.html.md#sphx-glr-auto-examples-basics-demo-pretrained-model-py) (`demo_pretrained_model.py`) | 00:01.123 | 0 | | [Bring your own physics](https://deepinv.org/auto_examples/basics/demo_custom_physics.html.md#sphx-glr-auto-examples-basics-demo-custom-physics-py) (`demo_custom_physics.py`) | 00:00.160 | 0 |