10 Facts About Parallel computing

Parallel computing is a type of computation in which many calculations or processes are carried out simultaneously.

Parallel computing is closely related to concurrent computing—they are frequently used together, and often conflated, though the two are distinct: it is possible to have parallelism without concurrency, and concurrency without parallelism.

In practice, as more computing resources become available, they tend to get used on larger problems, and the time spent in the parallelizable part often grows much faster than the inherently serial work.

Parallel computing computers based on interconnected networks need to have some kind of routing to enable the passing of messages between nodes that are not directly connected.

Grid computing is the most distributed form of parallel computing.

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The most common grid Parallel computing middleware is the Berkeley Open Infrastructure for Network Computing.

Reconfigurable Parallel computing is the use of a field-programmable gate array as a co-processor to a general-purpose computer.

General-purpose Parallel computing on graphics processing units is a fairly recent trend in computer engineering research.

Parallel computing can be applied to the design of fault-tolerant computer systems, particularly via lockstep systems performing the same operation in parallel.

Parallel computing's design was funded by the US Air Force, which was the earliest SIMD parallel-computing effort, ILLIAC IV.