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- W2282206820 abstract "Any computational model which relies on a physical system is likely to be subject to the fact that information density and speed have intrinsic, ultimate limits. The RAM model, and in particular the underlying assumption that memory accesses can be carried out in time independent from memory size itself, is not physically implementable.This work has developed in the field of limiting technology machines, in which it is somewhat provocatively assumed that technology has achieved the physical limits. The ultimate goal for this is to tackle the problem of the intrinsic latencies of physical systems by encouraging scalable organizations for processors and memories.An algorithmic study is presented, which depicts the implementation of high concurrency programs for SP and SPE, sequential machine models able to compute direct-flow programs in optimal time.Then, a novel pieplined, hierarchical memory organization is presented, with optimal latency and bandwidth for a physical system.In order to both take full advantage of the memory capabilities and exploit the available instruction level parallelism of the code to be executed, a novel processor model is developed. Particular care is put in devising an efficient information flow within the processor itself.Both designs are extremely scalable, as they are based on fixed capacity and fixed size nodes, which are connected as a multidimensional array.Performance analysis on the resulting machine design has led to the discovery that latencies internal to the processor can be the dominating source of complexity in instruction flow execution, which adds to the effects of processor-memory interaction. A characterization of instruction flows is then developed, which is based on the topology induced by instruction dependences." @default.
- W2282206820 created "2016-06-24" @default.
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- W2282206820 date "2014-01-28" @default.
- W2282206820 modified "2023-09-24" @default.
- W2282206820 title "Efficient Execution of Sequential Instructions Streams by Physical Machines" @default.
- W2282206820 hasPublicationYear "2014" @default.
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