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diff --git a/topics/profiling_python_code.gmi b/topics/profiling_python_code.gmi new file mode 100644 index 0000000..d7f9ea0 --- /dev/null +++ b/topics/profiling_python_code.gmi @@ -0,0 +1,22 @@ +# Profiling Python code + +As part of improving the system, there is need to identify and fix/improve the performance bottlenecks in the code. This document details examples of how one would run various profilers, for both GeneNetwork2 and GeneNetwork3 + +## GeneNetwork3 + +### cProfile + +Syntax: + +* env [various-env-vars] python3 -m cProfile the-script.py + +where + +* `[various-env-vars]` is a number of environment variables that might be needed for the running of the script, e.g. `SQL_URI` which is used to define how to connect to the database. +* `the-script.py` is the name of the python script to be run under the profiler + +The output can be redirected, e.g. + +* env [various-env-vars] python3 -m cProfile the-script.py 2>error.log 1>performance.log + +which should help will separating errors from the performance data, for easier analysis |