Data pipeline optimization for shared memory multiplesimd. Fine grain simd have less computation time then the coarse grain architecture. In parallel computing, granularity or grain size of a task is a measure of the amount of work or. The esprit basic research project smimp looks at a scalable combined simdmimd architecture for image processing, suiting both fine grain and coarse grain. In this reason, many delicate coarsegrained reconfigurable designs are proposed 1. Proposed architecture of simd type vector processor. We have designed the architecture of simd type vector processor. Difference between finegrained and coarsegrained simd. In proposed architecture simd unit is the functional unit to. Nested loops can be coalesced into one loop and made vectorfriendly. Scalable application mapping for simd reconfigurable.
This architecture has higher performance level than general purpose processor and wider applicability than asic. In the two supported simd modes, all iss in a row or all iss in a. Pdf throughput and performance are the major constraints in designing system level models. Coarsegrained reconfigurable architecture is the very domainspecific design in that it can boost the performance by adopting specific hardware engines but it can be reconfigured as well to adapt the different characteristics of each application. What links here related changes upload file special pages permanent link page. For a shared memory multiplesimd architecture with 8 simd units, this method obtains more than 3. Statebased full predication for low power coarsegrained. Outer loops and loops with function calls are vectorfriendly. Finegrained parallelism is best exploited in architectures which support fast. Pdf automatic irregularityaware finegrained workload.
Eindhoven university of technology master code generation. There are two main drawbacks to cgra architectures. A multiprocessor architecture combining finegrained and coarse. In this paper, we suggest a design space exploration flow for coarsegrained reconfigurable architecture design and applied it. Here, programs are broken into large number of small tasks. Another processor with explicit datapath is the wide single instruction multiple data simd described in 14. Fisher, very long instruction word architectures and the eli512, isca 1983. A programming and simulation model of a simdmimd architecture.
Pdf coarsegrained reconfigurable array architectures. Universal mechanisms for dataparallel architectures cecs. Automatic compilation to a coarsegrained reconfigurable systemopnchip. Here, programs are broken into small number of large task. While the communication architecture of rcsimd could be applied to cgras, rcsimd does not consider reconfigurable architectures or mapping issues thereof. Pdf architecture of simd type vector processor researchgate. Coarse grain simd have more computation time then the fine grain architecture. Design and implementation of massively parallel finegrained. Simd and gpus part iii and briefly vliw, dae, systolic arrays prof. With a coarsegrained reconfigurable architecture, we can take advantage of the two approaches. Universal mechanisms for dataparallel architectures ieeeacm. Coarsegrained speculative execution in sharedmemory multiprocessors. Pdf coarsegrained reconfigurable array cgra architectures accelerate the same.
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