the druby book distributed and parallel computing with ruby

... history, the scope of the workshop widened to include parallel and distributed systems in general and the DAPSYS in 1996 (Miskolc, Hungary) reflected the results of these changes. Since then, DAPSYS ... Budapest, the capital of Hun- gary, by the MTA SZTAKI Computer and Automation Research Institute. As in 2000 and 2002, we have the privilege again to organise and host DAPSYS together with the EuroPVM/ ... (Austrian-Hungarian Workshop on Distributed and Parallel Sys- tems) is an international conference series with biannual events dedicated to all aspects of distributed and parallel computing. DAPSYS started...

Ngày tải lên: 08/08/2014, 23:21

... stages within the planning process: The type of the requested visualization, the available software mod- ules and the structure of the input data are evaluated during the first stage of the planning ... proxy also carries the job ID the Mercury monitoring subsystem uses for job identification. The client obtains the monitor ID then passes it - together with the MS URL it obtained from the information ... pro- cesses. The local monitor forwards the monitoring data to the master monitor service 7 8 9 10 11 12 13 28 DISTRIBUTED AND PARALLEL SYSTEMS SLab, medical experiment with MRI scanner and some others)....

Ngày tải lên: 08/08/2014, 23:21

... synchronization: The notify and the wait statement, the barrier command, which is a combination of notify and wait, and the lock and unlock commands. CORSO is a representative of the SOB model. ... benchmarks than the ones we consider. They use So- 40 DISTRIBUTED AND PARALLEL SYSTEMS 54 DISTRIBUTED AND PARALLEL SYSTEMS invoked an MPI-I/O process dynamically on the another PC cluster where the PVFS ... takes the role as a master which organizes and distributes the work over the other processors (the work- ers). The master does not contribute to the actual computing work, which is a drawback of the...

Ngày tải lên: 08/08/2014, 23:21

... will do the tasks corresponding to the invalid processes with ranks equal to 3 and 11, and the slaves will do the tasks of processes with rank 5 and 9 respectively. The slaves split the domain ... Fig. 3.c, we measured the execution times for the MPI parallel (values labelled as A in Fig. 3.b) and for the equivalent LAMGAC parallel program without the integration with the wireless channel ... computer and on the fastest computer. The sequential program generates 15 ran- dom points per box (instead of 100 as the parallel program) and the stopping criterion is less strict than for the parallel...

Ngày tải lên: 08/08/2014, 23:21

... tool developers have to follow the developments of the hardware on the one hand and the requests of the users on the other hand, while at the same time managing the ever increasing complexity ... components interact with each other over the Internet through a socket based network connection. The major goals of the distributed parallel approach are: 96 DISTRIBUTED AND PARALLEL SYSTEMS 3. High-Performance ... store the trace data and (b) the additional computing power to perform the analysis operations. The drawback is (comparable to parallel computing applications) the need for distribution and reduction...

Ngày tải lên: 08/08/2014, 23:21

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Ngày tải lên: 08/08/2014, 23:21

Ngày tải lên: 08/08/2014, 23:21

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Ngày tải lên: 08/08/2014, 23:21

... defines the NULL encryption algorithm and its use with the IPsec Encapsulating Security Payload [ESP] to provide authentication and integrity without confidentiality. NULL is a block cipher the ... using the same authentication algorithm (i.e. a packet secured using ESP_NULL with some authentication algorithm is as cryptographically secure as a packet secured using AH with the same authentication ... community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization...

Ngày tải lên: 14/02/2014, 16:20

... Lys116 of H1.1 and Lys46 of H1.2 and H1.3 in the spleen were the only sites of ubiquitination. The fact that both cell lines were cultured in the same growth medium, and have the same doubling ... types. The affinity of the various types seems to depend on their C-terminal tails. H1.1 and H1.2, with the shortest C-terminal tails, a low density of positively charged residues, and the lowest ... The Authors Journal compilation ª 2009 FEBS 3691 Conclusions The evidence accumulating from MS and other bio- physical experiments considerably strengthens the hypothesis that not only can the...

Ngày tải lên: 18/02/2014, 08:20

... Mac OS X Ruby dRuby Application Figure 10 The software layers. Observe where dRuby sits above the operating systems. Pure Ruby dRuby is a distributed object system purely targeted to Ruby. It ... Architecture (CORBA), and Java RMI are widely known, and of course dRuby is also a distributed object system. While Java RMI and dRuby are tightly coupled with their hosting languages, DCOM and CORBA are ... Chapter 3. Integrating dRuby with eRuby report erratum ã discuss Part I Introducing dRuby Welcome to the world of dRuby. In this part, you’ll learn dRuby s basic concepts and architecture through...

Ngày tải lên: 15/03/2014, 02:20

... whether they lead to efficiency as theory predicts. Furthermore, there are no experiments showing whether subjects set fees F and wholesale unit prices w at the levels predicted by the theory. ... (Because the demand function is linear in both prices, the firm’s demand depends only on its own price and on the expected price of other firm, as long as the resulting demand is not negative.) The ... simultaneously and the median is then announced. Hence subjects only have the histories of their own actions and the medians. 44 The data are taken from the first six rows (Treatments Gamma and Gammadm)...

Ngày tải lên: 23/03/2014, 04:21

... be done by the algorithm, and the directed edges represent the data depen- dencies among the tasks. The start of an edge is the output of a task and the end of an edge the input to the task. ... potentially parallel algorithm when we see the occurrence of “ FOR ” or “ WHILE ” loops in the code. On the other hand, the defi nition of parallel architecture, according to The IEEE Standard ... Figure 1.6 shows the issues we would like to deal with in this book. On the left is the space of algorithms and on the right is the space of parallel architectures that will execute the algorithms....

Ngày tải lên: 28/04/2014, 15:40

... so that it fits inside the bounding box and then adjust the height accordingly. On the other hand, if the image is taller than it is wide, it’s the image height that is the important dimension. ... is available, and it’s included with the standard FXRuby distribution. What this book will do is get you over the in i tial conceptual hurdles and equip you with the practical information that ... written in Ruby. 1 FXRuby exposes all the functionality of the FOX library, but it’s more than just a simple “wrapper” around the API. FXRuby takes advantage of Ruby l anguage features and uses them...

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