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[In this chapter, we describe the in-core, non-memory components of SIMD execution: data storage (i.e., registers), computation instructions, and control flow.]
[SIMD compute instructions operate on multiple data items at a time; to feed these, we need memory instructions that similarly read or write multiple data items simultaneously. Further, the throughput of SIMD memory instructions must match SIMD compute throughput, or applications using SIMD...
[Thus far, we have discussed applying SIMD execution to completely data parallel computations. This allows hardware to treat vector elements as completely independent of each other. However, many computations with data parallelism also contain some dependences between computations on different...
[Architecture evolution is driven by the changing needs of users, and thus, changing application characteristics. In recent years, SIMD has become a critical part of the performance and energy efficiency picture for general-purpose processors, especially in high-performance computing. This was...
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