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Date: 2025-02-18 17:40:41
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SIMD and VLIW are two distinct parallel computing architectures. Here is the details:

SIMD (Single Instruction Multiple Data): SIMD performs the same operation on multiple data points simultaneously. It's highly efficient for tasks that involve large datasets. Commonly used in graphics processing units (GPUs) and multimedia applications to accelerate tasks like image processing and matrix multiplication. e.g.: Vector operations where the same arithmetic operation is applied to a set of numbers in parallel.

VLIW (Very Long Instruction Word): VLIW allows multiple independent operations to be encoded in a single long instruction word. The compiler decides which operations can be executed in parallel. Used in digital signal processors (DSPs) and some general-purpose processors to improve instruction-level parallelism. e.g. : A VLIW processor might execute multiple arithmetic and memory operations in a single clock cycle by encoding them into one long instruction.

They are two distinct approaches to parallel computing, each with its strengths and weaknesses, and are not subsets of each other.

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Posted by: AmitJhaIITBHU