Difference between await and Task.Wait [duplicate]

Question

First way:

var tds=SearchProcess();
await tds;

public async  Task<XmlElement> SearchProcess()
{
}

Second way:

var tds= Task.Factory.StartNew(()=>SearchProcess());
Task.WaitAll(tds);

public XmlElement SearchProcess()
{
}

In above both approach any performance difference is there?

stackoverflow.com/questions/9519414/…

Nagaraj S
– Nagaraj S

2013-12-27 12:19:09 +00:00
Commented Dec 27, 2013 at 12:19 — Nagaraj S
– Nagaraj S, Commented Dec 27, 2013 at 12:19
stackoverflow.com/questions/13140523/…

Anand Thangappan
– Anand Thangappan

2013-12-27 12:19:41 +00:00
Commented Dec 27, 2013 at 12:19 — Anand Thangappan
– Anand Thangappan, Commented Dec 27, 2013 at 12:19

Lee · Accepted Answer · 2013-12-27 12:21:39Z

8

Task.WaitAll is blocking, while using await will make the containing method async. To wait for multiple tasks asynchronously you can use Task.WhenAll:

public async Task DoSomething()
{
    IEnumerable<Task> tds = SearchProcess();
    await Task.WhenAll(tds);
    //continue processing    
}

answered Dec 27, 2013 at 12:21

Lee

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