Improve fairparamlist #946
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Previously the parameters were stored in a TList. While this is okay for a small number of entries which are accessed by the function FindObject with the name of the object as argument this be becomes very slow when the list is large. Since for each entry of the list a search has to be performed this is time consuming when the list is long. To improve the performance a more suitable data structure (THashTable) was choosed to speed up the searching. The new data strcuture speeds up the initilization a CBM parameter container with roughly 101000 parameters by a factor of 5 from 145s to 27s. Since it is unavoidable to remove the searching it becomes obvious to limit the number of parameters in a parameter container to a small number.
For the proper functioning of the macro it is necessary to request the paramter container before calling the Init fucntion of the FairRun class. If this isn't done the parameter container is not properly filled but is only default constructed. Add comments to make intention of the macro more clear.
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#944 was fine, too. You can click on the edit button in the top and change the base branch since a couple of months (which I did there). |
Member
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Yeah, let's reopen that, then don't need to duplicate existing comments. |
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Merge request against the proper branch.
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