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Data Parallelism is higher level than either message passing or object models (if objects used to break up data to respect computer)
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| 2 |
It provides a Shared Memory Programming Model which can be executed on SIMD or MIMD computers, distributed or shared memory computers
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| 3 |
Note it specifies problem not machine structure
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| 4 |
It in principle provides the most attractive machine independent model for programmers as it reflects problem and not computer
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Its disadvantage is that hard to build compilers especially for the most interesting new algorithms which are dynamic and irregular!
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