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Mohammad Jowkar

dblp:92/9134 · DBLP profile ↗
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1ranked-venue papers
1as first author
0since 2021 · last 2010
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Systems, architecture and hardware · 1 · 1 first-author

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer architecture, parallel and distributed computing, and storage systems
1 paper
Memory systems · 67% High-performance computing · 33%
Software engineering, system software, and programming languages
1 paper
Compilers and program optimization · 100%

Topics — the 4 heaviest of 4, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Memory systems
direct memory access
0.112010
Exploring a Novel Gathering Method for Finite Element Codes on the Cell/B.E. Architecture · SC 2010
High-performance computing › finite element method
finite element solver
0.112010
Exploring a Novel Gathering Method for Finite Element Codes on the Cell/B.E. Architecture · SC 2010
Memory systems › memory access
indirect addressing
0.112010
Exploring a Novel Gathering Method for Finite Element Codes on the Cell/B.E. Architecture · SC 2010
Compilers and program optimization
vectorization
0.012010
Exploring a Novel Gathering Method for Finite Element Codes on the Cell/B.E. Architecture · SC 2010

Methods — techniques the papers use, named apart from their topics

vector instructions · 0.2DMA list interlacing · 0.2
YearPublicationVenuePosition
2010 Exploring a Novel Gathering Method for Finite Element Codes on the Cell/B.E. Architecture
abstract
Indirect addressing is known for being slow on conventional architectures, due to the extra step of gathering data before computations can be done. There have been proposed many methods for optimizing indirect addressing. However, these almost exclusively, merely try to change the order in which data is accessed, so as to better utilize the cache. Furthermore, vector instructions can not be used, since data is not accessed continuously, and therefore valuable processing power can not be exploited. The Cell/B.E. architecture has multiple powerful DMA engines, suitable for gathering scattered data. Unfortunately, at fine data granularity, they have several constraints which make them inefficient. In this paper, a novel solution called DMA list Interlacing (DLI) is explored, which overcomes the DMA constraints and enables the usage of vector instructions, without any extra effort. It is shown that DLI can achieve speedups of several orders of magnitude, compared to conventional processors.
Mohammad Jowkar, Raúl de la Cruz, José María Cela
SC1