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Main  arrow  Programming  arrow  Platforms  arrow  Embedded & Real-time  (29)


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Visit   Developing with real-time Java, Part 2: Improve service quality    Last Update 2009/9/16 8:57
Category  Programming  arrow  Java  :  Programming  arrow  Platforms  arrow  Embedded & Real-time
Description
Some Java™ applications fail to provide reasonable quality of service despite achieving other performance goals, such as average latency or overall throughput. By introducing pauses or interruptions that aren't under the application's control, the Java language and runtime system can sometimes be responsible for an application's inability to meet service-performance metrics. This article, second in a three-part series, explains the root causes of delays and interruptions in a JVM and describes techniques you can use to mitigate them so that your applications deliver more consistent service quality.

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Visit   Developing with real-time Java, Part 1: Exploit real-time Java's unique features    Last Update 2009/9/16 8:45
Category  Programming  arrow  Java  :  Programming  arrow  Platforms  arrow  Embedded & Real-time
Description
Real-time Java™ combines ease of programming in the Java language with the performance required by applications that must conform to real-time constraints. Extensions to the Java language provide features for real-time environments that are lacking in the traditional Java runtime environment. This article, the first in a three-part series, describes some of these features and explains how you can apply them to enable real-time performance in your own applications.

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Visit   Resilient Mixed-Criticality Systems    Last Update 2009/9/16 8:25
Category  Programming  arrow  Platforms  arrow  Embedded & Real-time  :  Approaches, Process, Methods  arrow  Software Architecture
Description
Most complex cyber-physical systems (CPSs) are mixed-criticality systems that have to be resilient against software design faults, hardware failures, and physical hazards under software control. This article reviews useful design principles and architecture patterns for the development of such systems.

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Visit   Considering Software Protection for Embedded Systems    Last Update 2009/9/16 8:22
Category  Programming  arrow  Platforms  arrow  Embedded & Real-time  :  Programming  arrow  Security
Description
Software in modern embedded systems is often realized by using prefabricated reconfigurable computing devices such as Field Programmable Gate Arrays (FPGAs). Such devices support the use of portable hardware description languages and, as a result, have vulnerabilities consistent with normal software applications. In this article, we consider the nature of adversarial reverse-engineering attacks in this environment and measures of protection.

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Visit   32 OpenMP traps for C++ developers Popular articles    Last Update 2008/12/4 16:54
Category  Programming  arrow  C/C++  :  Programming  arrow  Platforms  arrow  Embedded & Real-time
Description
Since multi-core systems are spreading fast, the problem of parallel programming becomes more and more urgent. However, even the majority of experienced developers are new to this sphere. The existing compilers and code analyzers allow finding some bugs, which appear during parallel code development. However, many errors are not diagnosed. The article contains description of a number of errors, which lead to incorrect behavior of parallel programs created with OpenMP.

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Visit   How To Spice Up Java With the VTune(TM) Performance Analyzer    Last Update 2008/12/4 16:49
Category  Programming  arrow  Java  :  Programming  arrow  Platforms  arrow  Embedded & Real-time  :  Software Testing and Quality Assurance  arrow  Software Testing  arrow  Load Testing
Description
Software optimization is the process of improving software by eliminating bottlenecks so that it operates more efficiently on a given system and optimally uses resources. Identifying the bottlenecks in the target application and eliminating them appropriately is the key to efficient optimization. There are many optimization methodologies, which help developers answer the questions of why to optimize, what to optimize and how to optimize, and these methods aid developers in reaching their performance requirements. In this article, I’ll use a top-down approach and this means that I’ll start at a very high level, taking a look at the overall environment, and then successively drill down into more detail as I begin to tune the individual components within the system. This approach is targeted towards Java server applications, but can be applied to client applications as well.

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Visit   Building of systems of automatic C/C++ code logging    Last Update 2008/12/4 16:37
Category  Programming  arrow  C/C++  :  Programming  arrow  Platforms  arrow  Embedded & Real-time  :  Software Testing and Quality Assurance  arrow  Software Testing  arrow  Unit Testing
Description
Sometimes logging of an application's events is the only debugging method. The logging method's disadvantage is the large size of the code which you have to write manually to save the whole necessary information. The article touches upon the method allowing you to build a system of automatic logging of C/C++ code.

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Visit   On Distributed Embedded Systems    Last Update 2008/12/4 16:23
Category  Programming  arrow  Platforms  arrow  Embedded & Real-time  :  Approaches, Process, Methods  arrow  Software Architecture
Description
Thinking of distributed embedded systems (DES)—let alone the more general area of embedded computing—as a unified topic is difficult. Nevertheless, it is a vastly important topic and potentially represents a revolution in information technology (IT). DES is driven by the increasing capabilities and ever-declining costs of computing and communications devices, resulting in networked systems of embedded computers whose functional components are nearly invisible to end users. Systems have the potential to alter radically the way in which people interact with their environment by linking a range of devices and sensors that will allow information to be collected, shared, and processed in unprecedented ways.

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Visit   Object-Oriented Analysis in the Real World Popular articles    Last Update 2008/10/14 10:51
Category  Programming  arrow  Platforms  arrow  Embedded & Real-time  :  Approaches, Process, Methods  arrow  Object Oriented Analysis and Design  :  Approaches, Process, Methods  arrow  Software Architecture
Description
This paper concerns itself with the practice and execution of using Shlaer-Mellor object-oriented analysis (OOA) on real-time control systems.

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Visit   When to use an Embedded ODBMS    Last Update 2008/4/9 6:08
Category  Programming  arrow  Platforms  arrow  Embedded & Real-time  :  Database
Description
When should an application use an embedded object database? Or, more precisely, when should a developer consider an embedded object database as an alternative to the more popular (and, probably, more familiar) relational database? This question is really two questions combined. The first is: when is it appropriate to use an ODBMS? The second is: assuming that you have determined to use an ODBMS, when is it appropriate to use an embedded one? (Many of the ODBMS systems mentioned above are available in both client/server and embedded forms.) In this article, I will deal with the individual, component questions separately. The combined answers will be the reply to the original question.

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