Model-Based Performance Prediction for Concurrent Software on Multicore Architectures---A Simulation-Based Approach

Model-Based Performance Prediction for Concurrent Software on Multicore Architectures---A Simulation-Based Approach PDF Author: Frank, Markus Kilian
Publisher: KIT Scientific Publishing
ISBN: 3731511460
Category : Computers
Languages : en
Pages : 400

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Book Description
Die modellbasierte Performancevorhersage ist ein bekanntes Konzept zur Gewährleistung der Softwarequalität. Derzeitige Ansätze basieren auf einem Modell mit einer Metrik, was zu ungenauen Vorhersagen für moderne Architekturen führt. In dieser Arbeit wird ein Multi-Strategie-Ansatz zur Erweiterung von Performancevorhersagemodellen zur Unterstützung von Multicore-Architekturen vorgestellt, in Palladio implementiert und dadurch die Genauigkeit der Vorhersage deutlich verbessert. - Model-based performance prediction is a well-known concept to ensure the quality of software. Current approaches are based on a single-metric model, which leads to inaccurate predictions for modern architectures. This thesis presents a multi-strategies approach to extend performance prediction models to support multicore architectures. We implemented the strategies into Palladio and significantly increased the performance prediction power.

Model-Based Performance Prediction for Concurrent Software on Multicore Architectures---A Simulation-Based Approach

Model-Based Performance Prediction for Concurrent Software on Multicore Architectures---A Simulation-Based Approach PDF Author: Frank, Markus Kilian
Publisher: KIT Scientific Publishing
ISBN: 3731511460
Category : Computers
Languages : en
Pages : 400

Get Book Here

Book Description
Die modellbasierte Performancevorhersage ist ein bekanntes Konzept zur Gewährleistung der Softwarequalität. Derzeitige Ansätze basieren auf einem Modell mit einer Metrik, was zu ungenauen Vorhersagen für moderne Architekturen führt. In dieser Arbeit wird ein Multi-Strategie-Ansatz zur Erweiterung von Performancevorhersagemodellen zur Unterstützung von Multicore-Architekturen vorgestellt, in Palladio implementiert und dadurch die Genauigkeit der Vorhersage deutlich verbessert. - Model-based performance prediction is a well-known concept to ensure the quality of software. Current approaches are based on a single-metric model, which leads to inaccurate predictions for modern architectures. This thesis presents a multi-strategies approach to extend performance prediction models to support multicore architectures. We implemented the strategies into Palladio and significantly increased the performance prediction power.

A Reference Structure for Modular Model-based Analyses

A Reference Structure for Modular Model-based Analyses PDF Author: Koch, Sandro Giovanni
Publisher: KIT Scientific Publishing
ISBN: 3731513412
Category :
Languages : en
Pages : 398

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Book Description
In this work, the authors analysed the co-dependency between models and analyses, particularly the structure and interdependence of artefacts and the feature-based decomposition and composition of model-based analyses. Their goal is to improve the maintainability of model-based analyses. They have investigated the co-dependency of Domain-specific Modelling Languages (DSMLs) and model-based analyses regarding evolvability, understandability, and reusability.

Architecture-based Evolution of Dependable Software-intensive Systems

Architecture-based Evolution of Dependable Software-intensive Systems PDF Author: Heinrich, Robert
Publisher: KIT Scientific Publishing
ISBN: 3731512947
Category :
Languages : en
Pages : 154

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Book Description
This cumulative habilitation thesis, proposes concepts for (i) modelling and analysing dependability based on architectural models of software-intensive systems early in development, (ii) decomposition and composition of modelling languages and analysis techniques to enable more flexibility in evolution, and (iii) bridging the divergent levels of abstraction between data of the operation phase, architectural models and source code of the development phase.

Context-based Access Control and Attack Modelling and Analysis

Context-based Access Control and Attack Modelling and Analysis PDF Author: Walter, Maximilian
Publisher: KIT Scientific Publishing
ISBN: 3731513625
Category :
Languages : en
Pages : 350

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Book Description
This work introduces architectural security analyses for detecting access violations and attack paths in software architectures. It integrates access control policies and vulnerabilities, often analyzed separately, into a unified approach using software architecture models. Contributions include metamodels for access control and vulnerabilities, scenario-based analysis, and two attack analyses. Evaluation demonstrates high accuracy in identifying issues for secure system development.

Evaluating Architectural Safeguards for Uncertain AI Black-Box Components

Evaluating Architectural Safeguards for Uncertain AI Black-Box Components PDF Author: Scheerer, Max
Publisher: KIT Scientific Publishing
ISBN: 373151320X
Category :
Languages : en
Pages : 472

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Book Description
Although tremendous progress has been made in Artificial Intelligence (AI), it entails new challenges. The growing complexity of learning tasks requires more complex AI components, which increasingly exhibit unreliable behaviour. In this book, we present a model-driven approach to model architectural safeguards for AI components and analyse their effect on the overall system reliability.

Consistent View-Based Management of Variability in Space and Time

Consistent View-Based Management of Variability in Space and Time PDF Author: Ananieva, Sofia
Publisher: KIT Scientific Publishing
ISBN: 3731512416
Category : Computers
Languages : en
Pages : 310

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Book Description
Developing variable systems faces many challenges. Dependencies between interrelated artifacts within a product variant, such as code or diagrams, across product variants and across their revisions quickly lead to inconsistencies during evolution. This work provides a unification of common concepts and operations for variability management, identifies variability-related inconsistencies and presents an approach for view-based consistency preservation of variable systems.

Architectural Data Flow Analysis for Detecting Violations of Confidentiality Requirements

Architectural Data Flow Analysis for Detecting Violations of Confidentiality Requirements PDF Author: Seifermann, Stephan
Publisher: KIT Scientific Publishing
ISBN: 3731512467
Category : Computers
Languages : en
Pages : 412

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Book Description
Software vendors must consider confidentiality especially while creating software architectures because decisions made here are hard to change later. Our approach represents and analyzes data flows in software architectures. Systems specify data flows and confidentiality requirements specify limitations of data flows. Software architects use detected violations of these limitations to improve the system. We demonstrate how to integrate our approach into existing development processes.

Architectural Alignment of Access Control Requirements Extracted from Business Processes

Architectural Alignment of Access Control Requirements Extracted from Business Processes PDF Author: Pilipchuk, Roman
Publisher: KIT Scientific Publishing
ISBN: 3731512122
Category : Computers
Languages : en
Pages : 366

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Book Description
Business processes and information systems evolve constantly and affect each other in non-trivial ways. Aligning security requirements between both is a challenging task. This work presents an automated approach to extract access control requirements from business processes with the purpose of transforming them into a) access permissions for role-based access control and b) architectural data flow constraints to identify violations of access control in enterprise application architectures.

QoS-Based Optimization of Runtime Management of Sensing Cloud Applications

QoS-Based Optimization of Runtime Management of Sensing Cloud Applications PDF Author: Gotin, Manuel
Publisher: KIT Scientific Publishing
ISBN: 3731511479
Category : Computers
Languages : en
Pages : 258

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Book Description
IoT applications perceive and interact with the environment via smart devices and cloud services. When operating such applications one is faced with the challenge of configuring the smart devices and the cloud services in a manner, which achieves a high data quality at low operational costs. This work supports IoT operators with IoT collection strategies and cost optimization functions for data qualities, which are influenced by the interplay of smart device and cloud service configurations.

Building Transformation Networks for Consistent Evolution of Interrelated Models

Building Transformation Networks for Consistent Evolution of Interrelated Models PDF Author: Klare, Heiko
Publisher: KIT Scientific Publishing
ISBN: 3731511320
Category : Computers
Languages : en
Pages : 596

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Book Description
Complex software systems are described with multiple artifacts, such as code, design diagrams and others. Ensuring their consistency is crucial and can be automated with transformations for pairs of artifacts. We investigate how developers can combine independently developed and reusable transformations to networks that preserve consistency between more than two artifacts. We identify synchronization, compatibility and orchestration as central challenges, and we develop approaches to solve them.