Search Results - Shared and distributed memory parallel supercomputers

Efficient solid state NMR powder simulations using SMP and MPP parallel computation by Kristensen, Jørgen Holm, Farnan, Ian

“…Methods for parallel simulation of solid state NMR powder spectra are presented for both shared and distributed memory parallel supercomputers…”
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Scalable 3D hybrid parallel Delaunay image-to-mesh conversion algorithm for distributed shared memory architectures by Feng, Daming, Tsolakis, Christos, Chernikov, Andrey N., Chrisochoides, Nikos P.

“…) for distributed shared memory architectures. PDR.PODM is able to explore parallelism early in the mesh generation process thanks to the aggressive speculative approach employed by the Parallel Optimistic Delaunay Mesh generation algorithm (PODM…”
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Scalability and locality of extrapolation methods on large parallel systems by Korch, Matthias, Rauber, Thomas, Scholtes, Carsten

“… on current highly parallel supercomputer systems with shared‐or distributed‐memory architecture. We analyze and compare the scalability of several parallelization variants, some of them using multiple levels of parallelization…”
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High-performance computing at Silicon Graphics/Cray Research by Cisneros, Gerardo, Brooks, Jeff P.

“…–vector, distributed-memory massively parallel, and distributed-shared memory parallel supercomputers, and how systems of such different architectures can satisfy the requirements of different…”
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Numerical Simulation of Gas-Dynamic Processes in Model Solid-Propellant Engines by Zhukov, V. T., Krasnov, M. M., Kritsky, B. V., Novikova, N. D., Feodoritova, O. B., Arnst, E. A., Gross, I. N., Milekhin, Y. M., Sadovnichii, D. N., Shkurin, A. I.

“…). The technique is focused on the use of supercomputer technologies for three-dimensional modeling of propulsion systems with simulation of their operation with the specialized boundary conditions set…”
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MPI-based parallel finite element approaches for implicit nonlinear dynamic analysis employing sparse PCG solvers by Rao, A. Rama Mohan

“…) technique for solving large-scale problems in structural mechanics on parallel processing machines…”
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Parallel Computational Steering for HPC Applications Using HDF5 Files in Distributed Shared Memory by Biddiscombe, J., Soumagne, J., Oger, G., Guibert, D., Piccinali, J-G

“… By making use of a distributed shared memory file, one may read data from the simulation, modify…”
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Parallel-vector algorithms for particle simulations on shared-memory multiprocessors by Nishiura, Daisuke, Sakaguchi, Hide

“… In such simulations, particles freely move within a given space, and so on a distributed-memory system, load balancing, i.e…”
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An O(log2N) Fully-Balanced Resampling Algorithm for Particle Filters on Distributed Memory Architectures by Varsi, Alessandro, Maskell, Simon, Spirakis, Paul G.

“… A state-of-the-art redistribution takes O((log2N)2) computations on Distributed Memory (DM) architectures, which most supercomputers adopt, whereas redistribution can be performed in O…”
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Harmonizing MPI-3 Shared Memory and C11/C++11: A Progressive Hybrid Approach to Parallel Computing by Bhowmik, Biswajit, Kumar, Sunil, Birla, Pawan, Mishra, Himanshu

“… to accommodate the increasing complexity of shared and distributed memory systems. This paper presents a hybrid approach to memory management in parallel computing, combining the Message Passing Interface (MPI-3…”
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ParaXpress: an experimental extension of the FICO Xpress-Optimizer to solve hard MIPs on supercomputers by Shinano, Yuji, Berthold, Timo, Heinz, Stefan

“… In this paper, we present ParaXpress , a distributed memory parallelization of the powerful commercial MIP solver FICO Xpress…”
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A parallel compact-TVD method for compressible fluid dynamics employing shared and distributed-memory paradigms by Fico, Vincenzo, Emerson, David R., Reese, Jason M.

“… The method combines distributed and shared-memory paradigms to take advantage of the configuration of modern supercomputers that host many cores per shared-memory node…”
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Distributed memory, GPU accelerated Fock construction for hybrid, Gaussian basis density functional theory by Williams-Young, David B, Asadchev, Andrey, Popovici, Doru Thom, Clark, David, Waldrop, Jonathan, Windus, Theresa L, Valeev, Edward F, de Jong, Wibe A

“… While significant strides have been made in the development GPU accelerated, distributed memory algorithms for many modern electronic structure methods, the primary focus of GPU development…”
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A Hybrid MPI–OpenMP Parallel Algorithm and Performance Analysis for an Ensemble Square Root Filter Designed for Multiscale Observations by Wang, Yunheng, Jung, Youngsun, Supinie, Timothy A., Xue, Ming

“… The scheme handles internode communication through a message passing interface (MPI) and the communication within shared-memory nodes via Open Multiprocessing (OpenMP) threads…”
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Application of the 9P Protocol in Organizing a High-Speed Shared Memory Buffer for Intermediate Computations (RAMPL) by Kulagin, A. K.

“… Despite a number of systemic problems, a distributed network of supercomputer centers for collective use is formed in Russia, with the aim of rationalizing the use of supercomputing resources…”
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Automated Scheduling Algorithm Selection and Chunk Parameter Calculation in OpenMP by Mohammed, Ali, Korndorfer, Jonas H. Muller, Eleliemy, Ahmed, Ciorba, Florina M.

“…Increasing node and cores-per-node counts in supercomputers render scheduling and load balancing critical for exploiting parallelism…”
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Performance evaluation of the Cray X1 distributed shared-memory architecture by Dunigan, T.H., Vetter, J.S., White, J.B., Worley, P.H.

“… The Cray X1 supercomputer's distributed shared memory presents a 64-bit global address space that is directly addressable from every MSP with an interconnect bandwidth per computation rate of 1 byte/flop…”
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A finite volume method parallelization for the simulation of free surface shallow water flows by Delis, A.I., Mathioudakis, E.N.

“… The parallel code is applied to distributed memory architectures using domain decomposition techniques and we investigate its performance on a grid computer and on a Distributed Shared Memory supercomputer…”
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Integrating state of the art compute, communication, and autotuning strategies to multiply the performance of ab initio molecular dynamics on massively parallel multi-core supercomputers by Klöffel, Tobias, Mathias, Gerald, Meyer, Bernd

“…The development in today’s supercomputer hardware is that the compute power of the individual nodes grows much faster than the speed of their interconnects…”
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Transactional Memory: An Overview by Harris, T., Cristal, A., Unsal, O.S., Ayguade, E., Gagliardi, F., Smith, B., Valero, M.

“… rather than parallel ones. This article presents a survey of transactional memory, a mechanism that promises to enable scalable performance while freeing programmers…”
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