SC
2009
ACM
14 years 7 months ago
2009
ACM
Science Gateways have emerged as a valuable solution for providing large numbers of users with access to advanced computing resources. Additionally, they can hide many of the comp...
SC
2009
ACM
14 years 7 months ago
2009
ACM
We present a scalable temporal order analysis technique that supports debugging of large scale applications by classifying MPI tasks based on their logical program execution order...
SC
2009
ACM
14 years 7 months ago
2009
ACM
SC
2009
ACM
14 years 7 months ago
2009
ACM
Algorithmic choice is essential in any problem domain to realizing optimal computational performance. Multigrid is a prime example: not only is it possible to make choices at the ...
SC
2009
ACM
14 years 7 months ago
2009
ACM
Proponents of utility-based scheduling policies have shown the potential for a 100–1400% increase in value-delivered to users when used in lieu of traditional approaches such as...
SC
2009
ACM
14 years 7 months ago
2009
ACM
Existing cache partitioning schemes are designed in a manner oblivious to the implicit processor partitioning enforced by the operating system. This paper examines an operating sy...
SC
2009
ACM
14 years 7 months ago
2009
ACM
Sparse matrix-vector multiplication (SpMV) is of singular importance in sparse linear algebra. In contrast to the uniform regularity of dense linear algebra, sparse operations enc...
SC
2009
ACM
14 years 7 months ago
2009
ACM
In this paper, we present an early performance evaluation of a 624-core cluster based on the Intel® Xeon® Processor 5560 (code named “Nehalem-EP”, and referred to as Xeon 55...
SC
2009
ACM
14 years 7 months ago
2009
ACM
SC
2009
ACM
14 years 7 months ago
2009
ACM
We present ECC FIFO, a mechanism enabling two-tiered last-level cache error protection using an arbitrarily strong tier-2 code without increasing on-chip storage. Instead of addin...