MCUDA: An Efficient Implementation of CUDA Kernels for Multi-core CPUs

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Provided by: Springer Healthcare
Topic: Hardware
Format: PDF
CUDA is a data parallel programming model that supports several key abstractions - thread blocks, hierarchical memory and barrier synchronization - for writing applications. This model has proven effective in programming GPUs. In this paper, the authors describe a framework called MCUDA, which allows CUDA programs to be executed efficiently on shared memory, multi-core CPUs. Their framework consists of a set of source-level compiler transformations and a runtime system for parallel execution. Preserving program semantics, the compiler transforms threaded SPMD functions into explicit loops, performs fission to eliminate barrier synchronizations, and converts scalar references to thread-local data to replicated vector references.
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