PC 2007 | Sciweavers

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PC
2007

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Exploring weak scalability for FEM calculations on a GPU-enhanced cluster

14 years 1 months ago

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Dominik Göddeke, Robert Strzodka, Jamaludin M...

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95

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PC
2007

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Implementation and evaluation of shared-memory communication and synchronization operations in MPICH2 using the Nemesis communic

14 years 1 months ago

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This paper presents the implementation of MPICH2 over the Nemesis communication subsystem and the evaluation of its shared-memory performance. We describe design issues as well as...

Darius Buntinas, Guillaume Mercier, William Gropp

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45

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PC
2007

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Optimizing a conjugate gradient solver with non-blocking collective operations

14 years 1 months ago

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This paper presents a case study about the applicability and usage of non blocking collective operations. These operations provide the ability to overlap communication with computa...

Torsten Hoefler, Peter Gottschling, Andrew Lumsdai...

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39

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PC
2007

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High-performance computing using accelerators

14 years 1 months ago

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Wu-chun Feng, Dinesh Manocha

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47

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PC
2007

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MPI collective algorithm selection and quadtree encoding

14 years 1 months ago

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Abstract. In this paper, we focus on MPI collective algorithm selection process and explore the applicability of the quadtree encoding method to this problem. During the algorithm ...

Jelena Pjesivac-Grbovic, George Bosilca, Graham E....

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53

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PC
2007

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High performance combinatorial algorithm design on the Cell Broadband Engine processor

14 years 1 months ago

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The Sony–Toshiba–IBM Cell Broadband Engine (Cell/B.E.) is a heterogeneous multicore architecture that consists of a traditional microprocessor (PPE) with eight SIMD co-process...

David A. Bader, Virat Agarwal, Kamesh Madduri, Seu...

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64

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PC
2007

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Runtime scheduling of dynamic parallelism on accelerator-based multi-core systems

14 years 1 months ago

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We explore runtime mechanisms and policies for scheduling dynamic multi-grain parallelism on heterogeneous multi-core processors. Heterogeneous multi-core processors integrate con...

Filip Blagojevic, Dimitrios S. Nikolopoulos, Alexa...

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42

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PC
2007

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Thread-safety in an MPI implementation: Requirements and analysis

14 years 1 months ago

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The MPI-2 Standard has carefully speciﬁed the interaction between MPI and usercreated threads. The goal of this speciﬁcation is to allow users to write multithreaded MPI progr...

William Gropp, Rajeev Thakur

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44

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PC
2007

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Data distribution for dense factorization on computers with memory heterogeneity

14 years 1 months ago

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In this paper, we study the problem of optimal matrix partitioning for parallel dense factorization on heterogeneous processors. First, we outline existing algorithms solving the ...

Alexey L. Lastovetsky, Ravi Reddy

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41

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PC
2007

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An adaptive framework for visualizing unstructured grids with time-varying scalar fields

14 years 1 months ago