Slow Backtest Execution

[Ontrade]

Unfortunately I cannot share the project.
But visually looking can someone give me tips on how to minimize the impact of slowness I'm having on backtests?
I tried to use a single "once per bar" block to meet the entire strategy, but it didn't change the backtest speed in any way.

[l'andorrà]

@ontrade If this is the whole project, there should be no probem to execute a 'fast' backtest. It is a small number of blocks. The problem must be anywhere else.