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The main contribution of this paper is a topology-aware storage caching scheme for parallel architectures. In a parallel system with multiple storage caches, these caches form a shared cache space, and effective management of this space is a critical issue. Of particular interest is data migration (i.e., moving data from one storage cache to another at run-time), which may help reduce the distance between a data block and its customers. As the data access and sharing patterns change during execution, the authors can migrate data in the shared cache space to reduce access latencies.
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