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wrr: improve randomWRR performance #5067
wrr: improve randomWRR performance #5067
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Hmm, this may still fail if
sumOfWeights == 0
(this happens when the items added all are weight 0 🤷♂️ )Maybe keep the check
if sumOfWeights == 0
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If items added all are weight 0, then
rw.equalWeights
will be true,Next
will return normally at line 61return rw.items[grpcrandInt63n(int64(len(rw.items)))].item
I considered keeping
if sumOfWeights == 0 return nil
, but the behaviour will be different fromedf.go
, in edf, if allitem's weights are zero,
Next
will return non nil item