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License: MIT License
Benchmarks for Excel Formulas and Add-Ins
License: MIT License
You really threw down the gauntlet here :-) I must admit I was little disappointed with xlOil's performance so I added the xloil.FastArray
type in xlOil 0.14.1:
@xlo.func
def SumXloilNumpyFast(x: xlo.FastArray) -> float: # Or use xlo.Array(float, fast=True)
return np.sum(x)
This narrows the performance gap considerably (to nearly zero)!
There is another trick which can be done with xlOil (and Keith's xlladdins) in some circumstances: rather than pass around giant arrays, use the cache functionality. Creating a cached Excel object using =xloRef(Test1Input)
and passing that into your SumXloilNumpy
gives a runtime of about 2x SUM. Even better the numpy array can be cached by defining:
@xlo.func
def ToPyObj(x) -> xlo.Cache:
return x
Passing this to SumXloilNumpy
benchmarks at around 0.5 x SUM.
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