ness of an Interleaving Semantics for Action Refinement J.I. den Hartog 1 , E.P. de Vink 1 and J.W. de Bakker 1;2 Abstract For an abstract programming language with action refinement both an

av P Doherty · 2014 — Though based on distribution semantics with the independence assumption, we Constraint processing is then integrated and interleaved with verification of

The result induces a method that allows GPU kernels with arbitrary reducible Abstract. We study semantics of GPU kernels — the parallel programs that run on Graphics Processing Units (GPUs). We provide a novel lock-step execution semantics for GPU kernels represented by arbitrary reducible control flow graphs and compare this semantics with a traditional interleaving semantics. The base of the argument was that interleaving semantics, i.e. the representation of parallelism by non-determinism ignores real asynchronous behaviours that actually exist 5 : a | b where a and b are atomic is represented by the same transition system as the non-deterministic choice a then b or b then a (see Figure 5).

Interleaving semantics

Many results found in this book are collected for the first time outside conference and journal The standard operational semantics of pi-calculus [11,12] is given through structural opera-tional rules adopting an interleaving approach to concurrency. Interleaving semantics describe the concurrent execution of actions as arbitrary sequential interleaving of the actions, employing basic transition systems or automata as semantic models. interleaving causal semantics we de ne Indexed Labelled Asynchronous Transition Systems, smoothly generalizing both our interleaving model and the standard Asynchronous Tran-sition Systems model for CCS-like calculi. In each case we relate a denotational semantics to an operational view, for bisimulation and causal bisimulation respectively. When a thread th1 executes an interleaving fence before another thread th2 executes another interleaving fence w.r.t.

[1 lecture]. Concurrency. Shared variable interleaving.

Efficient h/w mappings. ▷ Compiler optimizations. Key idea: Start with an operational interleaving semantics, but allow threads to promise to write in the future.

The effect of ﬁ ring events in such system models is local, a fact that is largely ignored by traditional symbolic state–space The denotational semantics is an interleaving model which uses semantical refinement `environments'. It identifies those statements which are equal under all refinements. semantics for GPU kernels represented by arbitrary reducible control ﬂow graphs and compare this semantics with a traditional interleaving semantics. We show for terminating kernels that either both semantics compute identical results or both behave erroneously.

The purpose of collaboration is to integrate the separate knowledge possessed by the participants in the design process into one meaningful whole. Centralized data structures, showed that the AEC industry is so fragmented that the data-centric approach is not feasible, for technical and procedural reasons. The shared database, minimizing the complexity of translating different form of

Research output: Chapter in Book/Report/Conference proceeding Discretionary task interleaving: heuristics for time allocation in cognitive foraging Pattern Recognition, Visual*; Problem Solving*; Reaction Time*; Semantics*. Interleaving Semantic Web Reasoning and Service Discovery to Enforce Context -Sensitive Security and Privacy Policies.

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– All requests appear to come from a single client with a single interleaving of all interleaving paper in Chinese : :隔离纸…. click for more detailed Chinese translation, meaning, pronunciation and example sentences.

click for more detailed Chinese translation, meaning, pronunciation and example sentences.
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Semantics of Parallelism is the only book which provides a unified treatment of the non-interleaving approach to process semantics (as opposed to the interleaving approach of the process algebraists). Many results found in this book are collected for the first time outside conference and journal articles on the mathematics of non-interleaving semantics.

For interleaving semantics, we identify the indexing structure required of an early labelled transition system to support the usual pi-calculus operations, defining Indexed Labelled Transition Systems. For noninterleaving causal semantics we define Indexed Labelled Asynchronous Transition Systems, 1999-03-06 Since the interleaving semantics of thread systems is not preserved by optimizing plat-forms, such as parallelized hardware, and since the latter are unlikely to be changed for the purpose of running concurrent programs, some conditions must be found for multi-threaded applications to be executed correctly on these platforms.

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To give a non-interleaving semantics one needs to identify the underlying events and their concurrency and causality relationships, and from that define a notion of

We use the new Facile semantics to debug an agent based system. The suitability of these models for giving a non-interleaving semantics to a timed, stochastic and probabilistic extension of LOTOS is investigated.