There are many non-scientific general purpose applications that could benefit from the modest use of parallelism. Due to the lack of good programming support tools, general purpose applications are unable to make use ...
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Network availability is an essential feature of an optical telecommunication network. Should a failure of a network component occur, be it a link or a component inside a node, network control plane must be able to det...
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For effective use of parallel computers, a tool which assists users to know the way of parallelization is needed. Since we believe visualization is a useful tool for parallelization, we are developing a tool named Nar...
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The Habanero-Java language extends sequential Java with a simple but powerful set of constructs for multicore parallelism. Its implementation includes a compiler that generates standard Java classfiles, a runtime syst...
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ISBN:
(纸本)9781450309424
The Habanero-Java language extends sequential Java with a simple but powerful set of constructs for multicore parallelism. Its implementation includes a compiler that generates standard Java classfiles, a runtime system that builds on the *** library, an IDE (DrHJ) that extends DrJava, and a new data-race detection tool.
Deterministic-by-construction parallel programming models offer the advantages of parallel speedup while avoiding the nondeterministic, hard-to-reproduce bugs that plague fully concurrent code. A principled approach t...
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Deterministic-by-construction parallel programming models offer the advantages of parallel speedup while avoiding the nondeterministic, hard-to-reproduce bugs that plague fully concurrent code. A principled approach to deterministic-by-construction parallel programming with shared state is offered by LVars: shared memory locations whose semantics are defined in terms of an applicationspecific lattice. Writes to an LVar take the least upper bound of the old and new values with respect to the lattice, while reads from an LVar can observe only that its contents have crossed a specified threshold in the lattice. Although it guarantees determinism, this interface is quite limited. We extend LVars in two ways. First, we add the ability to freeze and then read the contents of an LVar directly. Second, we add the ability to attach event handlers to an LVar, triggering a callback when the LVar's value changes. Together, handlers and freezing enable an expressive and useful style of parallel programming. We prove that in a language where communication takes place through these extended LVars, programs are at worst quasideterministic: on every run, they either produce the same answer or raise an error. We demonstrate the viability of our approach by implementing a library for Haskell supporting a variety of LVarbased data structures, together with a case study that illustrates the programming model and yields promising parallel speedup.
We present the architecture of a parallel programming system, the di_pSystem. Our target machine consists of clusters of multiprocessors interconnected with very fast networks. The system aims to provide a programming...
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This paper describes the features of the parallel programming course content for the programs "Software and Administration of Information Systems" and "Information Security". We present the experie...
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In this paper, we discuss the benefits of offering a parallel programming class to undergraduate computer science students. In our discussion, we list many algorithms and theories related to parallel programming and l...
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ISBN:
(纸本)9781932415841
In this paper, we discuss the benefits of offering a parallel programming class to undergraduate computer science students. In our discussion, we list many algorithms and theories related to parallel programming and list the benefits of discussing these with students. In addition, we provided a set of detailed instructions on how to build a Linux Beowulf cluster, including hardware and software specifications. The entire process takes roughly two and a half hours with a material costs that is under $1,000. We will briefly introduce techniques of programming on a Beowulf using MPI and C and present some performance results.
parallel programs based on the Divide & Conquer paradigm could be successfully defined in a simple way using powerlists. These parallel recursive data structures and their algebraic theories offer both a methodolo...
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Component-based programming has been applied to address the requirements of large scale applications from sciences and engineering with high performance computing (HPC) requirements. However, parallelism has been poor...
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