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2. Parallel computing - Wikipedia

   en.wikipedia.org/wiki/Parallel_computing

   Parallel computing is a type of computation in which many calculations or processes are carried out simultaneously. [1] Large problems can often be divided into smaller ones, which can then be solved at the same time. There are several different forms of parallel computing: bit-level, instruction-level, data, and task parallelism.

3. Granularity (parallel computing) - Wikipedia

   en.wikipedia.org/wiki/Granularity_(parallel...

   In parallel computing, granularity (or grain size) of a task is a measure of the amount of work (or computation) which is performed by that task. [1] Another definition of granularity takes into account the communication overhead between multiple processors or processing elements. It defines granularity as the ratio of computation time to ...

4. Data parallelism - Wikipedia

   en.wikipedia.org/wiki/Data_parallelism

   For addition of arrays in a data parallel implementation, let's assume a more modest system with two central processing units (CPU) A and B, CPU A could add all elements from the top half of the arrays, while CPU B could add all elements from the bottom half of the arrays. Since the two processors work in parallel, the job of performing array ...

5. Data-intensive computing - Wikipedia

   en.wikipedia.org/wiki/Data-intensive_computing

   Parallel processing of data-intensive applications typically involves partitioning or subdividing the data into multiple segments which can be processed independently using the same executable application program in parallel on an appropriate computing platform, then reassembling the results to produce the completed output data. [10]

6. Concurrency (computer science) - Wikipedia

   en.wikipedia.org/wiki/Concurrency_(computer_science)

   Parallelism (simultaneous execution on multiple processing units). Parallelism executes tasks independently on multiple CPU cores, while concurrency manages multiple tasks on one or more cores, switching between threads or time-slicing without completing each one.

7. MapReduce - Wikipedia

   en.wikipedia.org/wiki/MapReduce

   MapReduce is a programming model and an associated implementation for processing and generating big data sets with a parallel and distributed algorithm on a cluster. [1] [2] [3]A MapReduce program is composed of a map procedure, which performs filtering and sorting (such as sorting students by first name into queues, one queue for each name), and a reduce method, which performs a summary ...