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CCGRID
2009
IEEE
15 years 5 months ago
Improving Parallel Write by Node-Level Request Scheduling
In a cluster of multiple processors or cpu-cores, many processes may run on each compute node. Each process tends to issue contiguous I/O requests for snapshot, checkpointing or s...
Kazuki Ohta, Hiroya Matsuba, Yutaka Ishikawa
CCGRID
2010
IEEE
15 years 7 days ago
Towards Energy Aware Scheduling for Precedence Constrained Parallel Tasks in a Cluster with DVFS
Abstract--Reducing energy consumption for high end computing can bring various benefits such as, reduce operating costs, increase system reliability, and environment respect. This ...
Lizhe Wang, Gregor von Laszewski, Jai Dayal, Fugan...
SC
2003
ACM
15 years 4 months ago
Fast Parallel Non-Contiguous File Access
Many applications of parallel I/O perform non-contiguous file accesses: instead of accessing a single (large) block of data in a file, a number of (smaller) blocks of data scatt...
Joachim Worringen, Jesper Larsson Träff, Hube...
POPL
2008
ACM
15 years 11 months ago
High-level small-step operational semantics for transactions
Software transactions have received significant attention as a way to simplify shared-memory concurrent programming, but insufficient focus has been given to the precise meaning o...
Katherine F. Moore, Dan Grossman
CCGRID
2010
IEEE
15 years 7 days ago
A Capabilities-Aware Programming Model for Asymmetric High-End Systems
In this research, we investigate and address the challenges of asymmetry in High-End Computing (HEC) systems comprising heterogeneous architectures with varying I/O and computation...
M. Mustafa Rafique