Create and Execute a Simple PLINQ Query



Parallel LINQ (PLINQ) is a parallel implementation of the LINQ pattern. A PLINQ query in many ways resembles a non-parallel LINQ to Objects query.
PLINQ is a query execution engine that accepts any LINQ-to-Objects or LINQ-to-XML query and automatically utilizes multiple processors or cores for execution when they are available
The primary difference is that PLINQ attempts to make full use of all the processors on the system. It does this by partitioning the data source into segments, and then executing the query on each segment on separate worker threads in parallel on multiple processors

Create Parallel LINQ and execute













Limitations

  PLINQ only works against local collections. This means that if you’re using LINQ providers over remote data, such as LINQ to SQL or ADO.NET Entity Framework, then you’re out of luck for this version.
  Since PLINQ chunks the collection into multiple partitions and executes them in parallel, the results that you would get from a PLINQ query may not be in the same order as the results that you would get from a serially executed LINQ query.
 

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