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A Thread’s Stack
16 September 09 01:24 PM | pavely | 16 comment(s)

When creating threads, we don’t usually think of its stack size. In the native world, the CreateThread function accepts a stack size (second argument) which we usually pass as 0. In the managed world, the Thread class exposes a pair of constructors expecting a stack size argument (which I was reminded by a comment). Why is this important? Creating threads has its costs. This is not only the added work the Windows scheduler must undertake or the data structures that must be allocated in the kernel...

תגים:.NET, DEV, Internals, Multithreading

Microsoft HPC Server 2008 and Parallel Techniques
15 July 09 10:05 PM | pavely | with no comments

The multi-core mini-revolution signalled the rise of multithreading techniques being discussed more vigorously, as the exploitation of multiple cores is no longer the reach of a few individuals, but is as common as the computer itself. Another way to get performance scalability is simply to use multiple machines, running some application or parts of it at the same time, hopefully distributing the workload appropriately and communicating if and as required to get the final result. Combining the two...

תגים:DEV, Multithreading, OpenMP, Task Parallel Library, HPC, MPI, HPC Server 2008, MPI.NET