Example: Distributed Array Access

P0

P12

P4

P8

P2

P14

P6

P10

P1

P13

P5

P9

P3

P15

P7

P11

Large array

distributed

among 16

processes

Access Pattern in the file

Each square represents

a subarray in the memory

of a single process

P10

P11

P10

P15

P13

P12

P12

P13

P14

P14

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