In-memory processing
Processing data technology / From Wikipedia, the free encyclopedia
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The term is used for two different things:
- In computer science, in-memory processing (PIM) is a computer architecture in which data operations are available directly on the data memory, rather than having to be transferred to CPU registers first.[1] This may improve the power usage and performance of moving data between the processor and the main memory.
- In software engineering, in-memory processing is a software architecture where a database is kept entirely in random-access memory (RAM) or flash memory so that usual accesses, in particular read or query operations, do not require access to disk storage.[2] This may allow faster data operations such as "joins", and faster reporting and decision-making in business.[3]
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Extremely large datasets may be divided between co-operating systems as in-memory data grids.