Python code optimizer.
PyCC is a Python code optimizer. It rewrites your code to make it faster.
Developer and usage documentation <http://pycc.readthedocs.org/en/latest/>.
Symbol table (variable) lookups don’t seem expensive at first.
# awesome_module.py MAGIC_NUMBER = 7 for x in xrange(10000000): MAGIC_NUMBER * MAGIC_NUMBER
Now let’s make a crude benchmark.
# Generate bytecode file to skip compilation at runtime. python -m compileall awesome_module.py # Now get a simple timer. time python awesome_module.pyc # real 0m0.923s # user 0m0.920s # sys 0m0.004s
What does PyCC have to say about it?
pycc-transform awesome_module.py --constants
MAGIC_NUMBER = 7 for x in xrange(10000000): (7 * 7)
Neat, but what good does that do?
pycc-compile awesome_module.py -- constants time python awesome_module.pyc # real 0m0.473s # user 0m0.469s # sys 0m0.004s
How To Get It
pip install pycc
Copyright 2014 Kevin Conway Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
All contributions to this project are protected under the agreement found in the CONTRIBUTING file. All contributors should read the agreement but, as a summary:
You give us the rights to maintain and distribute your code and we promise to maintain an open source distribution of anything you contribute.
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