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- W1924587746 abstract "Non-uniform memory access (NUMA) time is an important issue in the design of large scale shared memory multiprocessors. One implication of NUMA architecture, however, is that locality of reference is crucial to the performance of the entire systems. So exploitation of locality of reference is necessarily supported by one or more system levels for efficient data sharing. Unfortunately, data sharing introduces a problem called false sharing which occurs when several independent objects which may have different access patterns are allocated to the same unit of movable memory (in our case, a page of virtual memory). In this paper we propose a simple and effective shared memory allocation mechanism for reducing the false sharing. Our design goal is to reduce the occurrences of false sharing misses by allocating independent objects that may have different access patterns to different pages. We use execution-driven simulation of real parallel applications to evaluate the effectiveness of our shared memory allocator. Our observation shows that by using our shared memory allocator, considerable amount of false sharing misses can be reduced and so the overhead of memory coherence protocol can also be reduced." @default.
- W1924587746 created "2016-06-24" @default.
- W1924587746 creator A5037839411 @default.
- W1924587746 creator A5077905149 @default.
- W1924587746 date "2002-12-24" @default.
- W1924587746 modified "2023-09-25" @default.
- W1924587746 title "An effective shared memory allocator for reducing false sharing in NUMA multiprocessors" @default.
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- W1924587746 doi "https://doi.org/10.1109/icapp.1996.562898" @default.
- W1924587746 hasPublicationYear "2002" @default.
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