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ICPP
2009
IEEE
8 years 8 months ago
Using Subfiling to Improve Programming Flexibility and Performance of Parallel Shared-file I/O
There are two popular parallel I/O programming styles used by modern scientific computational applications: unique-file and shared-file. Unique-file I/O usually gives satisfactory ...
Kui Gao, Wei-keng Liao, Arifa Nisar, Alok N. Choud...
ICPP
2009
IEEE
8 years 8 months ago
Thread Merging Schemes for Multithreaded Clustered VLIW Processors
Several multithreading techniques have been proposed to reduce the resource underutilization in Very Long Instruction Word (VLIW) processors. Simultaneous MultiThreading (SMT) is ...
Manoj Gupta, Fermín Sánchez, Josep L...
ICPP
2009
IEEE
8 years 8 months ago
Mediacoop: Hierarchical Lookup for P2P-VoD Services
The random seeking in P2P-VoD system requires efficient lookup for "good" suppliers. The main challenge is that good suppliers should meet two requirements: "conten...
Tieying Zhang, Jianming Lv, Xueqi Cheng
ICPP
2009
IEEE
8 years 8 months ago
Heterogeneity-Aware Erasure Codes for Peer-to-Peer Storage Systems
Peer-to-peer (P2P) storage systems rely on data redundancy to obtain high levels of data availability. Among the existing data redundancy schemes, erasure coding is a widely adopte...
Lluis Pamies-Juarez, Pedro García Ló...
ICPP
2009
IEEE
8 years 8 months ago
A Resource Optimized Remote-Memory-Access Architecture for Low-latency Communication
This paper introduces a new highly optimized architecture for remote memory access (RMA). RMA, using put and get operations, is a one-sided communication function which amongst ot...
Mondrian Nüssle, Martin Scherer, Ulrich Br&uu...
ICPP
2009
IEEE
8 years 8 months ago
Employing Transactional Memory and Helper Threads to Speedup Dijkstra's Algorithm
In this paper we work on the parallelization of the inherently serial Dijkstra's algorithm on modern multicore platforms. Dijkstra's algorithm is a greedy algorithm that ...
Konstantinos Nikas, Nikos Anastopoulos, Georgios I...
ICPP
2009
IEEE
8 years 8 months ago
Using Coherence Information and Decay Techniques to Optimize L2 Cache Leakage in CMPs
This paper evaluates several techniques to save leakage in CMP L2 caches by selectively switching off the less used lines. We primarily focus on private snoopy L2 caches. In this c...
Matteo Monchiero, Ramon Canal, Antonio Gonzá...
ICPP
2009
IEEE
8 years 8 months ago
A Parallel Algorithm for Computing Betweenness Centrality
In this paper we present a multi-grained parallel algorithm for computing betweenness centrality, which is extensively used in large-scale network analysis. Our method is based on ...
Guangming Tan, Dengbiao Tu, Ninghui Sun
ICPP
2009
IEEE
8 years 8 months ago
Stochastic-Based Robust Dynamic Resource Allocation in a Heterogeneous Computing System
Abstract--This research investigates the problem of robust dynamic resource allocation for heterogeneous distributed computing systems operating under imposed constraints. Often, s...
Jay Smith, Edwin K. P. Chong, Anthony A. Maciejews...
ICPP
2009
IEEE
8 years 8 months ago
Cache-Efficient, Intranode, Large-Message MPI Communication with MPICH2-Nemesis
The emergence of multicore processors raises the need to efficiently transfer large amounts of data between local processes. MPICH2 is a highly portable MPI implementation whose l...
Darius Buntinas, Brice Goglin, David Goodell, Guil...
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