Memory coherence in shared virtual memory systems
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ISCA '86 Proceedings of the 13th annual international symposium on Computer architecture
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Page table management in local/remote architectures
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SOSP '89 Proceedings of the twelfth ACM symposium on Operating systems principles
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Experimental comparison of memory management policies for NUMA multiprocessors
ACM Transactions on Computer Systems (TOCS)
The robustness of NUMA memory management
SOSP '91 Proceedings of the thirteenth ACM symposium on Operating systems principles
An analysis of dynamic page placement on a NUMA multiprocessor
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Operating system support for improving data locality on CC-NUMA compute servers
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Is data distribution necessary in OpenMP?
Proceedings of the 2000 ACM/IEEE conference on Supercomputing
Accuracy of Memory Reference Traces of Parallel Computations in Trace-Drive Simulation
IEEE Transactions on Parallel and Distributed Systems
Evaluation of NUMA Memory Management Through Modeling and Measurements
IEEE Transactions on Parallel and Distributed Systems
A transparent runtime data distribution engine for OpenMP
Scientific Programming
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Euro-Par'11 Proceedings of the 17th international conference on Parallel processing - Volume Part I
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We address the problem of paged main memory management in the local/remote architecture subclass of shared memory multiprocessors. We consider the case where the operating system has primary responsibility and uses page migration as its main tool. We identify some of the key issues with respect to architectural support (reference history maintenance, and page size), and operating system mechanism (duration between daemon passes, and number of migration daemons).The experiments were conducted using software implemented page tables on 32-node BBN Butterfly Plus™. Several numeral programs with both synthetic and real data were used as the workload. The primary conclusion is that for the cases considered migration was at best marginally effective. On the other hand, practical migration mechanisms were robust and never significantly degraded performance. The specific results include: 1) Referenced bits with aging can closely approximate Usage fields, 2) larger page sizes are beneficial except when the page is large enough to include locality sets of two processes, and 3) multiple migration daemons can be useful.Only small regions of the space of architectural, system, and workload parameters were explored. Further investigation of other parameter combinations is clearly warranted.