align is slow
Summary
align process is slow
What is the current bug behavior?
(8 calls, DataFrames of 400×300 approx)
What is the expected correct behavior?
It should be faster.
Logs/Traceback
cProfiler output in full: strain_report_dev.dat
Possible fixes
- Known issue with
pandas, see e.g. https://stackoverflow.com/questions/17401197/how-to-speed-up-pandas-multilevel-dataframe-shift-by-group . It is not Cython optimised. - Indexing is the culprit, also known issue with
pandas, see https://stackoverflow.com/questions/53997424/why-is-pandas-indexing-so-slow-how-to-make-it-faster - Try
numba?