Profile code to optimize performance

[muelleram]

use a profiler (https://marketplace.visualstudio.com/items?itemName=p403n1x87.austin-vscode#:~:text=To%20profile%20a%20Python%20script,button%20to%20select%20the%20file. or similar) to investigate the performance of our code and find the sections that use time-consuming operations, which could be improved

[jakobsarthur]

ALso test for bigger foreground systems and potentially more background db's.

[TimoDiepers]

(mostly) done for .lci(), not yet for dynamic_lcia(). For the latter, pre-calculate decay curve values per ghg instead of individually calculating everything