parallel computing with ruby

Ngày tải lên: 08/04/2013, 23:01

... thuật truyền thông: broadcast, scatter, gather, blocking message passing 3.3 Máy ảo song song (Parallel Virtual Machine-PVM). 3.4 Thiết kế và xây dựng một chương trình (giải một bài toán (NP- complete) ... Thiết kế và xây dựng một chương trình (giải một bài toán (NP-complete) sử dụng MPI và C. https:/ /computing. llnl.gov/tutorials/mpi/ Practical MPI Programming: http://www.redbooks.ibm.com/redbooks/pdfs/sg245380.pdf Đoạn ... MPI_Get_count(&Stat, MPI_CHAR, &count); printf("Task %d: Received %d char(s) from task %d with tag %d \n", rank, count, Stat.MPI_SOURCE, Stat.MPI_TAG); MPI_Finalize(); } @2009, Ngô...

Ngày tải lên: 13/04/2013, 09:41

... http://www.r uby-doc.org/docs/Program mingRuby www.it-ebooks.info DOOR #2: SWING WITH JRUBY 32 But we’d like to be able to say just JFrameOperator, without all that org.netbeans stuff before ... code for now. 2.3 Door #2: Swing with J Ruby Welcome to the cross-platform path, where we’ll test the JunqueNote application on the Java runtime, with help from the JRuby interpreter. www.it-ebooks.info BEHAVIOR-DRIVEN ... web application, a Unix console pr ogram, or what have you. 1. A Ruby implementation written in Java. www.it-ebooks.info Scripted GUI Testing with Ruby is a must-read for small to medium- sized development...

Ngày tải lên: 21/02/2014, 10:20

... Loops: Trading Time for Confidence 90.000% 92.500% 95.000% 97.500% 100.000% CT alone with CI with system test with exploratory test 0 15 30 45 60 Total Confidence Total Time Confidence Time Figure ... few seconds report erratum • discuss Creating a Potent Test Suite with FIRE • 16 www.it-ebooks.info Continuous Testing with Ruby, Rails, and JavaScript Ben Rady Rod Coffin The Pragmatic Bookshelf Dallas, ... probably never heard of). We’re going to package our library as a Ruby gem, and to get started quickly, we’re going to use a Ruby gem named Jeweler 1 to generate a project for us. Normally,...

Ngày tải lên: 06/03/2014, 20:21

... the days w hen you could store 1 http://raa .ruby- lang.org/project/oracle 2 http://rubyforge.org/projects /ruby- oci8 3 http://rubyforge.org/projects /ruby9 i THE COUPON APPLICATION 15 homer@example.com seymour@example.com Found ... written by Matt Mower, Ruby/ MySQL now also works with MySQL version 4.1.1 and later. 6 In this book we’ll use the pure Ruby implementation (for no special reason). As with our order database ... the technologies, along with how and when to use each. I consider this book a worthy partner to Programming Ruby. With it, you’ll exploit the power and flexibility of Ruby to create new solutions...

Ngày tải lên: 15/03/2014, 10:20

... discuss Enhancing Test Driven Development • 4 www.it-ebooks.info Part I — Ruby and Autotest www.it-ebooks.info Continuous Testing with Ruby, Rails, and JavaScript Ben Rady Rod Coffin The Pragmatic Bookshelf Dallas, ... means using a before() block in our spec: Download ruby/ twits/spec/revisions/user2.3_spec.rb describe "Twitter User" do describe " ;with a username" do before( :each ) do @user ... to write an example that captures that: Download ruby/ twits/spec/revisions/user2.4_spec.rb describe "Twitter User" do describe " ;with a username" do before( :each ) do @user...

Ngày tải lên: 15/03/2014, 18:20

... variable RUBYOPT to rubygems won’t work for a RubyCocoa app. Here are three solutions: a) Just use require ’rubygems’ in your Ruby code. This is probably the best solution. In Leopard, RubyGems ... figure out a bug with noth- ing more than a user’s report and the app’s regular GUI is like being faced with the child who answers every question with “I dunno.” But going after a bug with general-purpose ... my ordinary programming, too—as the UI gets more complicated with objects within objects within objects, list view makes working with them easier. • The library contains a large set of predefined...

Ngày tải lên: 15/03/2014, 21:20

... radically different basic approaches to parallel computing - those I have called data parallel calculation (DPC), function parallel calculation (FPC) and parallel cognition (PC) - the application ... power of parallel computing, applications in this area con- stitute a significant proportion of the total and therefore should not be ignored. An example will illustrate why parallel computing ... archetypal parallel computers, each study written by an individ- ual closely connected with the system in question. The final chap- ter correlates the various aspects of parallel computing into...

Ngày tải lên: 17/03/2014, 20:21

Ngày tải lên: 19/03/2014, 14:10

... been tested with Ruby 1.8.6. Online Resources The Pragmatic Programmers have set up a forum for Enterprise Recipes with Ruby and Rails readers to discuss the recipes, help each other with problems, ... MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmCSsvH67RCuPqIRjGrEW t2yE7O7xFel+Vze4QmEZqtEkRfHQp7oR4FLVfKcsnJdDPY7/ISYZplVTMZHX7VR0 7v7IH/WtgCS5zQT2o8DiftH2zOdu4T2lmtrx5CMKu/M9Tk56IpvRkNi0wQUdxTxK lyABhMg96zerqErdcgkiSMNfHwcmsAJLivKR9NmRZ9V2Y9OZULHbzgYm/QXRmm8V VX99MPnk9o9fIof2DGFw3JewLRqxB9LUO0cJlWVXfRKUDj7Vvo0QvRuq6F6g7+IB dTDiLtvto6HR+gun74XriLNOFke9eRh4rUqjIl2cbLbcPm9FRrWI6i8n9P9Mpjj9 YQIDAQAB END PUBLIC KEY We could have created a key pair using Ruby, but you probably wi ll not exclusively communicate with people who use Ruby, so I chose OpenSSL as a common denominator. That makes ... .NET with IronRuby . . . . . . . . . . . . 275 10 Maintain and Administer Your Applications 284 44. Turn Your Code into Daemons and Services . . . . . . 286 45. Monitor Your Applications with...

Ngày tải lên: 22/03/2014, 21:20

... code for now. 2.3 Door #2: Swing with J Ruby Welcome to the cross-platform path, where we’ll test the JunqueNote application on the Java runtime, with help from the JRuby interpreter. www.it-ebooks.info I’m ... really it’s just Ruby. describe( ) and it( ) are plain ol’ Ruby functions supplied by the RSpec library. We’ll eventually fill in each of those it descriptions with specific tests, with help from ... mojo. Finding the Main Window Ruby can call Windows functions nearly as easily as regular Ruby class methods, thanks to the Win32API library that ships with the Ruby one- click installer for...

Ngày tải lên: 23/03/2014, 02:20

... book describes parallelism within a single multicore node with shared memory instead of the cluster, High Performance Computing (HPC) Server approach that uses networked nodes with distributed ... control with tasks that can potentially execute in parallel. This is task parallelism. The Parallel Tasks pattern is sometimes known as the Fork/Join pattern or the Master/Worker pattern. Data parallelism ... material.  www.it-ebooks.info 27 Parallel Tasks Parallel tasks are asynchronous operations that can run at the same time. This approach is also known as task parallelism. Parallel tasks in PPL are...

Ngày tải lên: 24/03/2014, 01:21

... your computed results with roots([a b c]) What happens if you try to compute the roots by hand or with a hand calculator? You should find that the classic formula is good for computing one root, ... instructive to display the floating-point numbers with a logarithmic scale. Figure 1.8 shows floatgui with logscale checked and t = 5, e min = −4 and e max = 3. With this logarithmic scale, it is more ... elimination with partial pivoting always produces a solution with a small residual, relative to the computed solution, even if the matrix is badly conditioned. The vector obtained with the backslash...

Ngày tải lên: 08/04/2014, 10:22

... we show a cross- section of a prism with apex angle A and refractive index n. The incident ray makes an angle θ 1 with the normal, and the angle of deviation with respect to the incident light ... thin lens equation with f −10. G12TINNEG is only on the CD. Application 1.12. 1. Observe the singularity at object focus, which has the same absolute value as the focal length but with a positive ... 1.33 (G33RESCY) Calculation of the eigenvalues of the cavity with two reflecting mirrors using r 1 , r 2 , and d. Numerical calculation with r 1  1, r 2  1, and d  2. G33RESCY is only on the CD. Application...

Ngày tải lên: 08/04/2014, 10:27

Ngày tải lên: 08/04/2014, 10:27

Ngày tải lên: 24/04/2014, 15:09

Ngày tải lên: 28/04/2014, 15:40

Ngày tải lên: 28/04/2014, 16:55

Ngày tải lên: 29/04/2014, 14:42

Ngày tải lên: 29/04/2014, 14:42