Computer Architecture Introduction to Data-Parallel architectures

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Computer Architecture Introduction to Data-Parallel architectures Ola Flygt Växjö University http://w3.msi.vxu.se/users/ofl/ Ola.Flygt@msi.vxu.se +46 470 70 86 49

Outline Introduction Connectivity Alternative architecture CH01

Data-parallel computation (bit parallel)

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

Connectivity

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

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