Clarisse: A middleware for data-staging coordination and control on large-scale hpc platforms
On current large-scale HPC platforms the data path from compute nodes to final storage
passes through several networks interconnecting a distributed hierarchy of nodes serving as …
passes through several networks interconnecting a distributed hierarchy of nodes serving as …
Automatically selecting the number of aggregators for collective I/O operations
M Chaarawi, E Gabriel - 2011 IEEE International Conference …, 2011 - ieeexplore.ieee.org
Optimizing collective I/O operations is of paramount importance for many data intensive high
performance computing applications. Despite the large number of algorithms published in …
performance computing applications. Despite the large number of algorithms published in …
LACIO: A new collective I/O strategy for parallel I/O systems
Parallel applications benefit considerably from the rapid advance of processor architectures
and the available massive computational capability, but their performance suffers from large …
and the available massive computational capability, but their performance suffers from large …
Tracking humans from a moving platform
L Davis, V Philomin… - … Conference on Pattern …, 2000 - ieeexplore.ieee.org
Research at the Computer Vision Laboratory at the University of Maryland has focussed on
developing algorithms and systems that can look at humans and recognize their activities in …
developing algorithms and systems that can look at humans and recognize their activities in …
Design and evaluation of multiple-level data staging for blue gene systems
Parallel applications currently suffer from a significant imbalance between computational
power and available I/O bandwidth. Additionally, the hierarchical organization of current …
power and available I/O bandwidth. Additionally, the hierarchical organization of current …
Improving parallel I/O performance with data layout awareness
Parallel applications can benefit greatly from massive computational capability, but their
performance suffers from large latency of I/O accesses. The poor I/O performance has been …
performance suffers from large latency of I/O accesses. The poor I/O performance has been …
Multithreaded two-phase i/o: Improving collective mpi-io performance on a lustre file system
Y Tsujita, K Yoshinaga, A Hori, M Sato… - … , and Network-Based …, 2014 - ieeexplore.ieee.org
ROMIO, a representative MPI-IO implementation, has been widely used in recent large-scale
parallel computations. The two-phase I/O optimization scheme of ROMIO improves I/O …
parallel computations. The two-phase I/O optimization scheme of ROMIO improves I/O …
Improving collective MPI-IO using topology-aware stepwise data aggregation with I/O throttling
MPI-IO has been used in an internal I/O interface layer of HDF5 or PnetCDF, where
collective MPI-IO plays a big role in parallel I/O to manage a huge scale of scientific data …
collective MPI-IO plays a big role in parallel I/O to manage a huge scale of scientific data …
Improving collective I/O performance by pipelining request aggregation and file access
In this paper, we propose a multi-buffer pipelining approach to improve collective I/O
performance by overlapping the dominant request aggregation phases with the I/O phase in …
performance by overlapping the dominant request aggregation phases with the I/O phase in …
Improving collective i/o performance using pipelined two-phase i/o
Y Tsujita, H Muguruma, K Yoshinaga, A Hori… - Proceedings of the …, 2012 - dl.acm.org
In a large scale of parallel computing, parallel-I/O libraries have an important role to operate
huge scale of file accesses from many clients. ROMIO, which is one of the MPI-IO libraries …
huge scale of file accesses from many clients. ROMIO, which is one of the MPI-IO libraries …