Browsing by Subject "Architecture designs"

Now showing 1 - 4 of 4

Open Access
Architecture-based testing and system validation: workshop summary
(IEEE, 2011-06) Tekinerdoğan, Bedir; Clements, P.; Muccini, H.; Chaudron, M.; Polini, A.; Woods, E.
This paper summarizes the workshop on Architecture-Based Testing and System Validation which was organized in conjunction with the 9th Working IEEE/IFIP Conference on Software Architecture. The main goal of the workshop was to bring together researchers and practitioners both from the architecture design and software testing community to enable architecture-based software testing. © 2011 IEEE.
Open Access
Compiler-directed energy reduction using dynamic voltage scaling and voltage islands for embedded systems
(Institute of Electrical and Electronics Engineers, 2013) Ozturk, O.; Kandemir, M.; Chen G.
Addressing power and energy consumption related issues early in the system design flow ensures good design and minimizes iterations for faster turnaround time. In particular, optimizations at software level, e.g., those supported by compilers, are very important for minimizing energy consumption of embedded applications. Recent research demonstrates that voltage islands provide the flexibility to reduce power by selectively shutting down the different regions of the chip and/or running the select parts of the chip at different voltage/frequency levels. As against most of the prior work on voltage islands that mainly focused on the architecture design and IP placement related issues, this paper studies the necessary software compiler support for voltage islands. Specifically, we focus on an embedded multiprocessor architecture that supports both voltage islands and control domains within these islands, and determine how an optimizing compiler can automatically map an embedded application onto this architecture. Such an automated support is critical since it is unrealistic to expect an application programmer to reach a good mapping correlating multiple factors such as performance and energy at the same time. Our experiments with the proposed compiler support show that our approach is very effective in reducing energy consumption. The experiments also show that the energy savings we achieve are consistent across a wide range of values of our major simulation parameters. © 1968-2012 IEEE.
Open Access
Domain specific language for deployment of parallel applications on parallel computing platforms
(Association for Computing Machinery, 2014-08) Arkın, E.; Tekinerdoğan, Bedir
To increase the computing performance the current trend is towards applying parallel computing in which parallel tasks are executed on multiple nodes. The deployment of tasks on the computing platform usually impacts the overall performance and as such needs to be modelled carefully. In the architecture design community the deployment viewpoint is an important viewpoint to support this mapping process. In general the derived deployment views are visual notations that are not amenable for run-time processing, and do not scale well for deployment of large scale parallel applications. In this paper we propose a domain specific language (DSL) for modeling the deployment of parallel applications and for providing automated support for the deployment process. The DSL is based on a metamodel that is derived after a domain analysis on parallel computing. We illustrate the application of the DSL for a traffic simulation system and provide a set of important scenarios for using the DSL. © 2014 ACM.
Open Access
Variability viewpoint for introducing variability in software architecture viewpoints
(ACM, 2012) Tekinerdogan, Bedir; Sözer H.
Variability is the ability of a software system to be changed for a specific context, in a preplanned manner. As such, to facilitate the instantiation of a software architecture the variability concern needs to be explicitly addressed. Usually, architectural concerns are represented using architecture views that are derived from the corresponding architecture viewpoints. Different software architecture viewpoints have been introduced to support the modeling, understanding, communication and analysis of the software architecture for different stakeholders. Regarding variability we can observe that this has been mainly addressed in separate variability modeling approaches. In this paper we first provide a short overview of the approaches for dealing with variability at the architecture design level and then introduce the variability viewpoint. The variability viewpoint addresses the concerns for variability and can be used to introduce variability in software architecture viewpoints. Copyright 2012 ACM.