Computer Science, asked by deepaknath9923, 1 year ago

What is vector processing in advanced computer architecture?

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Answered by prashanth1551
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In computing, a vector processor or array processor is a central processing unit (CPU) that implements an instruction set containing instructions that operate on one-dimensional arrays of data called vectors, compared to scalar processors, whose instructions operate on single data items. Vector processors can greatly improve performance on certain workloads, notably numerical simulation and similar tasks. Vector machines appeared in the early 1970s and dominated supercomputer design through the 1970s into the 1990s, notably the various Cray platforms. The rapid fall in the price-to-performance ratioof conventional microprocessor designs led to the vector supercomputer's demise in the later 1990s.
As of 2015 most commodity CPUs implement architectures that feature instructions for a form of vector processing on multiple (vectorized) data sets.Common examples include Intel x86's MMX, SSE and AVXinstructions, AMD's 3DNow! extensions, Sparc's VIS extension, PowerPC's AltiVec and MIPS' MSA. Vector processing techniques also operate in video-game console hardware and in graphics accelerators. In 2000, IBM, Toshiba and Sony collaborated to create the Cell processor.
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