By K. Futatsugi

This ebook includes chosen papers at the language, functions, and environments of CafeOBJ, that's a state-of -the-art algebraic specification language. The authors are audio system at a workshop held in 1998 to commemorate a wide industrial/academic venture devoted to CafeOBJ. The venture concerned greater than forty humans from greater than 10 corporations, of which 6 are commercial. The workshop attracted approximately 30 talks and greater than 70 attendees.

The papers within the e-book even though, are both seriously revised models provided on the workshop, to mirror fresh developments or examine; or thoroughly new ones, written in particular for this ebook. during this regard, the e-book isn't a traditional postpublication after a workshop. additionally, even though it is a compendium of papers which are regarding CafeOBJ, the booklet isn't really a handbook, reference, or educational of CafeOBJ. most likely the easiest description is that it's a number of papers that examine tips to use, or to make it effortless to exploit, CafeOBJ. Reflecting the varied nature of the undertaking and its individuals (most of the authors are individuals to the project), the papers, prepare, supply a complete photograph from this methodological perspective.

a few papers care for numerous complex points of the language, corresponding to rewriting good judgment and behavioural common sense. For rewriting common sense, a number of major functions have been said. specifically, UML, now thought of de facto common language for modelling structures, is the topic of 1 paper. For behavioural good judgment, new methodological guidance are offered. a few papers shed new gentle on a extra conventional paradigm within the language; order-sorted equational requirements. One paper, particularly, take care of the way to affiliate CafeOBJ with object-oriented programming. the opposite papers care for environments for writing and vertifying standards written in CafeOBJ. Underlying these papers are significant issues: person interfaces for manipulating standards, and systematic helps for proofs. the entire environments defined within the papers think and aid allotted computing, and de facto common community applied sciences, equivalent to WWW and http, are included.

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Extra resources for CAFE: An Industrial Strength Algebraic Formal Method

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This communication consists of sends forward then backward for each of the four dimensions. Restructuring the code allows the communication to proceed in both directions in all four directions concurrently. 2). There is one other optimization we can do with the multiwire-news part of the code and that is to merge it with the expands and projects so that there are no intermediate stores to memory. 2). 1). This figure of six Gflops is rather interesting because it is roughly the actual performance (rather than peak performance which is 16 Gflops) of the fastest special purpose 256-node parallel computer built especially for QCD simulations by Norman Christ at Columbia University.

G. W. KILCUP, A. R. SHARPE, QCD with dynamical wilson fermions II, Phys. Rev. D, 44(1991), p. 3272. [7] T. BHATTACHARYA AND R. GUPTA, A potpourri of results in QCD from large lattice simulations on the CMS, Nucl. Phys. B Proc. , 34(1994), p. 341. Chapter 3 Parallel Weiner Integral Methods for Elliptic BVPs: A Tale of Two Architectures Michael Mascagni Editorial preface The use of probabilistic methods as a solution technique for elliptic boundary values problems (BVPs) is not new, but the availability of parallel computers offers a new perspective on this approach.

2. 33 Concluding Comments It is well known that these Monte Carlo methods are far inferior to many deterministic methods for these types of problems. However, in very high dimensions variants of these Monte Carlo methods are often used to solve problems in quantum mechanics. In addition, the Monte Carlo methods often serve to motivate the design and analysis of deterministic analogues, which may offer some unique advantages over more conventional algorithms. Another property of these Monte Carlo algorithms that may prove useful in real computations is the fact that with them one may sample the solution at as few as one grid point.

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