FAT Python is a static optimizer for Python 3.6 using function specialization with guards.

The fat module is the runtime part of the optimizer. It is required to run optimized code. The optimizer is the fatoptimizer module.

• FAT Python: http://faster-cpython.readthedocs.org/fat_python.html
• fat module: https://github.com/haypo/fat
• fatoptimizer module: https://github.com/haypo/fatoptimizer

fatoptimizer requires Python 3.6 patched with the PEP 511 (ast.Constant, sys.ast_tranformers).

• Config()
• OptimizerError
• optimize(tree, filename, config)

Type:

pip install fatoptimizer

Manual installation:

python3.6 setup.py install

Type:

tox

You may need to install or update tox:

pip3 install -U tox

Run manually tests:

python3 test_fatoptimizer.py

There are also integration tests which requires a Python 3.6 with patches PEP 509, PEP 510 and PEP 511. Run integration tests:

python3.6 -X fat test_fat_config.py
python3.6 -X fat test_fat_size.py

• 2016-01-14: First public release.