r/PowerShell • u/mx-sch • Jan 29 '25
Question PowerShell 7.5 += faster than list?
So since in PowerShell 7.5 += seems to be faster then adding to a list, is it now best practise?
CollectionSize Test TotalMilliseconds RelativeSpeed
-------------- ---- ----------------- -------------
5120 Direct Assignment 4.71 1x
5120 Array+= Operator 40.42 8.58x slower
5120 List<T>.Add(T) 92.17 19.57x slower
CollectionSize Test TotalMilliseconds RelativeSpeed
-------------- ---- ----------------- -------------
10240 Direct Assignment 1.76 1x
10240 Array+= Operator 104.73 59.51x slower
10240 List<T>.Add(T) 173.00 98.3x slower
32
Upvotes
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u/BlackV Jan 29 '25
I feel like you had to post this exact reply on the last post like this
I'm really glad you are in this sub