10.Introduction to Data-Parallel architectures TECH Computer Science SIMD {Single Instruction Multiple Data} 10.1 Introduction 10.2 Connectivity 10.3 Alternative.

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Presentation transcript:

10.Introduction to Data-Parallel architectures TECH Computer Science SIMD {Single Instruction Multiple Data} 10.1 Introduction 10.2 Connectivity 10.3 Alternative architecture e.g. add: (c1=a1+b1), (c2=a2+b2), (c3=a3+b3) CH01

Data-parallel computation (bit parallel)

Application of Data-parallel Architectures: One data entity processed by one PE

Mapping Problem space into Architectural Space: Data entity onto PE (1-to-1 mapping)

Near-neighbor connectivity (2-D: Mesh)

Tree: 2-D hierarchy

Pyramid: 3-D hierarchy

Hypercube: 2^N nodes in N dimension

Hypercube: 4-D Long and short-range connections

Data-parallel approaches

Principal characteristics of data-parallel systems