Compacting de Bruijn graphs from sequencing data quickly and in low memory

R Chikhi, A Limasset, P Medvedev - Bioinformatics, 2016 - academic.oup.com
Motivation: As the quantity of data per sequencing experiment increases, the challenges of
fragment assembly are becoming increasingly computational. The de Bruijn graph is a …

MPI+ threads: Runtime contention and remedies

A Amer, H Lu, Y Wei, P Balaji, S Matsuoka - ACM SIGPLAN Notices, 2015 - dl.acm.org
Hybrid MPI+ Threads programming has emerged as an alternative model to the “MPI
everywhere” model to better handle the increasing core density in cluster nodes. While the …

MPI+ ULT: Overlapping communication and computation with user-level threads

H Lu, S Seo, P Balaji - … on Cyberspace Safety and Security, and …, 2015 - ieeexplore.ieee.org
As the core density of future processors keeps increasing, MPI+ Threads is becoming a
promising programming model for large scale SMP clusters. Generally speaking, hybrid …

SWAP-Assembler: scalable and efficient genome assembly towards thousands of cores

J Meng, B Wang, Y Wei, S Feng, P Balaji - BMC bioinformatics, 2014 - Springer
Background There is a widening gap between the throughput of massive parallel
sequencing machines and the ability to analyze these sequencing data. Traditional …

Swap-assembler 2: Optimization of de novo genome assembler at extreme scale

J Meng, S Seo, P Balaji, Y Wei… - … on Parallel Processing …, 2016 - ieeexplore.ieee.org
In this paper, we analyze and optimize the most time-consuming steps of the SWAP-
Assembler, a parallel genome assembler, so that it can scale to a large number of cores for …

Content-based image visualization

C Chen, G Gagaudakis, P Rosin - 2000 IEEE Conference on …, 2000 - ieeexplore.ieee.org
The proliferation of content based image retrieval techniques has highlighted the need to
understand the relationship between image clustering based on low-level image features …

[PDF][PDF] Locking aspects in multithreaded MPI implementations

A Amer, H Lu, Y Wei, J Hammond… - Argonne National Lab …, 2016 - mcs.anl.gov
This work was supported by JSPS KAKENHI Grant Number 23220003 and by the US
Department of Energy, Office of Science, under Contract DE-AC02-06CH11357. Authors …

MPI-interoperable generalized active messages

X Zhao, P Balaji, W Gropp… - … Conference on Parallel …, 2013 - ieeexplore.ieee.org
Data-intensive applications have become increasingly important in recent years, yet
traditional data movement approaches for scientific computation are not well suited for such …

Caracterización de aplicaciones con comportamiento irregular para predecir su rendimiento, basado en la filosofía PAS2P

FL Tirado Marabolí - tdx.cat
El modelado de aplicaciones científicas paralelas nos permite conocer los detalles del
comportamiento de las aplicaciones paralelas. Muchas aplicaciones científicas tienen un …

Optimization Strategies for MPI-Interoperable Active Messages

X Zhao, P Balaji, W Gropp… - 2013 IEEE 11th …, 2013 - ieeexplore.ieee.org
Data-intensive applications, such as those in bioinformatics and social network analysis,
differ from traditional scientific applications in that they often involve data-driven and …