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Asked: 2026-05-20T17:45:59+00:00

I have a big List that may have some 50,000 or more items and

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I have a big List that may have some 50,000 or more items and i have to do operation against each item.takes some X time now if i use conventional method and do operation in sequential manner it is definitely take X * 50,000 on average.

I planned to optimize and save some time and decided to use Background Worker as there is no dependency among them.Plan was to divide the List in 4 parts and use each in separate Background Worker.

I want to ASk

1.is this method DUMB?

2.Is there any other Better Method?

3.Suggest a nice and clean method to divide List in 4 equal Parts?

Thanks

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1 Answer

  1. Editorial Team

    If you can use .Net 4.0, then use the Task Parallel library and have a look at 

    Parallel.ForEach()

    Parallel ForEach How-to.

    Everything is basically the same as a traditional for loop, but you work with parallelism implicitly.

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