.Net Framework 4.0: Using memory mapped files
.Net Framework 4.0 introduces memory mapped files. Memory mapped files are useful when you need to do in-memory data manipulation and your data structures are large. For large in-memory data the performance of memory mapped file is the best. It is much faster than MemoryStream. And like files on hard disc, memory mapped files can be shared between different programs. MemoryMappedFile and other classes for memory mapped files can be found from System.IO.MemoryMappedFiles namespace.
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