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System.Linq ToDictionary performance improvement #15246

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ikopylov opened this issue Sep 20, 2015 · 0 comments

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ikopylov commented Sep 20, 2015

This issue address a ToDictionary part of the closed issue #14366.

Two things can be improved in ToDictionary method:

Initial capacity estimation for known collection types (T[] and ICollection);
Separate implementation of the overload without elementSelector to avoid usage of IdentityFunction.

ikopylov closed this as completed

msftgits transferred this issue from dotnet/corefx

msftgits added this to the 1.0.0-rtm milestone

ghost locked as resolved and limited conversation to collaborators

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