Search Results - Shared memory programming on NUMA

ARS: an adaptive runtime system for locality optimization by Tao, Jie, Schulz, Martin, Karl, Wolfgang

“…Shared memory programs running on Non-Uniform Memory Access (NUMA) machines usually face inherent performance problems stemming from excessive remote memory accesses…”
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Shared memory NUMA programming on I-WAY by Nieplocha, J., Harrison, R.J.

“…The performance of the Global Array shared-memory non-uniform memory-access programming model is explored on the I-WAY, wide-area network distributed supercomputer environment…”
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Programming parallel dense matrix factorizations and inversion for new-generation NUMA architectures by Catalán, Sandra, Igual, Francisco D., Herrero, José R., Rodríguez-Sánchez, Rafael, Quintana-Ortí, Enrique S.

“…We propose a methodology to address the programmability issues derived from the emergence of new-generation shared-memory NUMA architectures…”
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Memory Access Behavior Analysis of NUMA‐Based Shared Memory Programs by Tao, Jie, Karl, Wolfgang, Schulz, Martin

“…Shared memory applications running transparently on top of NUMA architectures often face severe performance problems due to bad data locality and excessive remote memory accesses…”
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Scalable task parallelism for NUMA: A uniform abstraction for coordinated scheduling and memory management by Drebes, Andi, Pop, Antoniu, Heydemann, Karine, Cohen, Albert, Drach, Nathalie

“…Dynamic task-parallel programming models are popular on shared-memory systems, promising enhanced scalability, load balancing and locality…”
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Unfair Scheduling Patterns in NUMA Architectures by Ben-David, Naama, Scully, Ziv, Blelloch, Guy E.

“… This begs the question: what concurrent scheduling models are realistic? This issue is complicated by the intricacies of modern hardware, such as cache coherence protocols and non-uniform memory access (NUMA…”
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Mitigating the NUMA effect on task-based runtime systems by Maroñas, Marcos, Navarro, Antoni, Ayguadé, Eduard, Beltran, Vicenç

“… However, due to hardware restrictions, they adopt a NUMA approach, where each processor accesses local memory faster than remote memories…”
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NUMASFP: NUMA-Aware Dynamic Service Function Chain Placement in Multi-Core Servers by Chintapalli, Venkatarami Reddy, Korrapati, Sai Balaram, Tamma, Bheemarjuna Reddy, A, Antony Franklin

“… However, sophisticated servers follow non-uniform memory access (NUMA) architecture in which CPU cores are distributed across different NUMA nodes to enhance scalability…”
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Performance prediction and evaluation of parallel processing on a NUMA multiprocessor by Zhang, X., Qin, X.

“…, where network contention and memory contention are considered. Performance measurements to support the models and analyses through several numerical examples have been done on the BBN GP1000, a NUMA shared-memory multiprocessor…”
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PNS Lock: A Portable NUMA-Aware Lock with a Standard Interface by Gandham, Brahmaiah, Alapati, Praveen

“…In shared memory programming, there is a need for synchronization primitives that are suitable for modern hardware to achieve high performance and reduce contention…”
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Empirical Installation of Linear Algebra Shared-Memory Subroutines for Auto-Tuning by Cámara, Jesús, Cuenca, Javier, Giménez, Domingo, García, Luis Pedro, Vidal, Antonio M.

“… Medium NUMA and large cc-NUMA systems are used in the experiments. This variety of routines, libraries and systems allows us to obtain general conclusions about the methodology to use for linear algebra shared-memory routines auto-tuning…”
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Some useful strategies for unstructured edge-based solvers on shared memory machines by Aubry, R., Houzeaux, G., Vázquez, M., Cela, J. M.

“…Three strategies for shared memory parallel edge‐based solvers are proposed which guarantee that nodes belonging to one thread are not accessed by other threads for vertex…”
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NestedMP: Enabling cache-aware thread mapping for nested parallel shared memory applications by He, Jiangzhou, Chen, Wenguang, Tang, Zhizhong

“…•Task-core mapping schemas for nested-parallel applications may affect performance.•NestedMP allows programmers to declare number of threads for parallel…”
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Analyzing the execution of sparse matrix-vector product on the Finisterrae SMP-NUMA system by Pichel, Juan C., Lorenzo, Juan A., Heras, Dora B., Cabaleiro, Jose C., Pena, Tomás F.

“…In this paper, the sparse matrix-vector product (SpMV) is evaluated on the FinisTerrae SMP-NUMA supercomputer…”
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An OpenMP Compiler for Efficient Use of Distributed Scratchpad Memory in MPSoCs by Marongiu, A., Benini, L.

“… To efficiently exploit the advantages of low-latency high-bandwidth memory modules in the hierarchy, there is the need for programming models and/or language features that expose such architectural details…”
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Online scalability characterization of data-parallel programs on many cores by Younghyun Cho, Oh, Surim, Egger, Bernhard

“… Reflecting the architecture of NUMA systems, contention is modeled at the last-level caches of the compute nodes and the memory nodes using a two-level queuing model to estimate the mean service time…”
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An evaluation of MPI and OpenMP paradigms in finite‐difference explicit methods for PDEs on shared‐memory multi‐ and manycore systems by Cabral, Frederico L., Gonzaga de Oliveira, Sanderson L., Osthoff, Carla, Costa, Gabriel P., Brandão, Diego N., Kischinhevsky, Mauricio

“…® Scalable Processor and the coprocessor Knights Landing. In this study, the performance of a hybrid parallel programming with message passing interface (MPI) and Open Multi‐Processing (OpenMP…”
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Zippy: A Framework for Computation and Visualization on a GPU Cluster by Fan, Zhe, Qiu, Feng, Kaufman, Arie E.

“…‐level parallelism hierarchy and a non‐uniform memory access (NUMA) model. Zippy preserves the advantages of both message passing and shared‐memory models…”
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REPLICA MBTAC: multithreaded dual-mode processor by Forsell, Martti, Roivainen, Jussi, Leppänen, Ville

“… These include support for cost-efficient machine instruction-level synchronization and uniform shared global memory for enabling easy-to-program memory allocation of data structures and data movement…”
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Decentralized lock-free distributed queue in MPI remote memory access model by Paznikov, Alexey A., Burachenko, Alexander V., Abuelsoud, Mohamed M.

“… (concurrent, distributed) data structures. In shared-memory machines (such as SMP/NUMA systems…”
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