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Hi recently i noticed serious performance issues on my production datasets and i created small dataset which is showing what the problem is.
I have create 4 type of measures
Now i do testing by changin value on switch on the right.
As you can see Slow nested is by far worst option and from my understanding it looks like all expreisons are being evaluated for no reason (only one with selectedvalue should be evaluated).
Another thing that came as suprasing is that "VAR bad practice" is performing good.
Was something changed in calculation engine?
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