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Page-based software Distributed Shared Memory (sDSM) systems suffer from their high memory consistency costs. Utilizing an effective prefetch technique can reduce this overhead. However, it is hard to predict accurately for applications exhibiting dynamic memory accessing and paging behavior. In this paper, we use Intel Cluster OpenMP (CLOMP) to study this problem. First, we present a stride augmented...
Although shared memory programming models show good programmability compared to message passing programming models, their implementation by page-based software distributed shared memory systems usually suffers from high memory consistency costs. The major part of these costs is inter-node data transfer for keeping virtual shared memory consistent. A good prefetch strategy can reduce this cost. We...
In this paper, we proposed a novel simulation scheme, called data-dependency-aware synchronization and scheduling, for SoC virtual platform simulation. In contrast to the conventional clock-or transaction-based synchronization, our simulation scheme can work with the clock decoupling and direct-data-access techniques to implement the trace-driven virtual synchronization methodology. In addition, we...
This paper presents a novel simulation technique for SoC virtual platforms at transaction level to achieve million-instructions-per-second (MIPS) level of simulation speed, while retaining accurate and detailed cycle information for system explorations. We first apply virtual synchronization concept to our simulation algorithm and then apply a novel data-dependency aware concept to determine precise...
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