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QuestionTask.WhenAll ConfigureAwait Question Pin
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Kevin Marois15-Oct-21 8:08
professionalKevin Marois15-Oct-21 8:08 
In your response in the part about WhenAll, you say they are all running already, then the first waits, then the second waits.

I asked about WhenAll because I watched this video where at around 22:30 he converts a loop that runs tasks one at a time, to creating a List<task> and using WhenAll to wait for them all to finish. He said that they would all execute at the same time and therefore incrase performance a bit. So I figured that since I neeed BOTH calls to be done before I continued, why wait for one, then the other.

I'm asking because as I mentioned before I'm converting a synchronous WPF app to target an API, and in this app there are all kinds of backend calls grouped together, with each one calling the BL => DAL for some piece of data.

For example, the LoadJob method on the Job View makes multiple calls one after another to the backend for mutiple pieces of data when it's being loaded, and it's getting progressively slower. This view has an upper detail section, and subtabs below. Right now ALL of the data for the details AND all the tabs is retrieived using individual backend calls. I'm going to have the detail section load async on opening, then the subtabs will be lazy loaded. But again, there's a whole bunch of calls, so I thought if I used WhenAll, I could get parallel loading and reduce the drag on the system.

I'm curious about your thoughts on this.

Thank you.
If it's not broken, fix it until it is.
Everything makes sense in someone's mind.
Ya can't fix stupid.


modified 15-Oct-21 14:43pm.

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QuestionCodility fails to compile even though it compiles in VS code? Pin
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Generalpass array to function Pin
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QuestionCreating An Async Method Pin
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Question(xaml, wpf) ScrollViewer Binding confusion (beginner) (ANSWERED) Pin
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