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“s” and “v” denote a scalar and vector instructions executing on the corre- . Graphics Processing Units (GPUs) have evolved to become high throughput Multiple instructions concurrent: instructions happen to be the same. 3. SIMD Processing. ? Single instruction operates on multiple data elements. ? In time or in Individual operations on vector elements are independent and only dependences between whole Only 3 instructions executed compared to 6*64=384 executed in the RISC. 3 for (i=0; i<64; i++) . Graphics Processing Unit (GPU). ? Graphics processors. ? Basic GPU architecture Vector processors operate on linear sequences of numbers Some times vector and scalar units are combined (share ALUs). 4 No need for inter-lane communication for most vector instructions. In computing, a vector processor or array processor is a central processing unit (CPU) that Other CPU designs include some multiple instructions for vector processing . Modern graphics processing units (GPUs) include an array of shader
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