Write FAST C# Code - Task.WhenAll vs Parallel.ForEachAsync in DotNet
July 20, 2023
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You've found yourself trying to optimize your algorithm and the only way you can see to squeeze out more performance is to run things in parallel. We can use a parallel foreach or we can look at task when all in C#! So, do you go with Task.WhenAll or do you leverage Parallel.ForEachAsync? Let's use BenchmarkDotNet and have the benchmarks speak for themselves.
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