Ruby Concurrency and Parallelism: A Practical Tutorial | Toptal®
A thorough and practical introduction to concurrent and parallel programming in Ruby, presenting and contrasting a number of techniques and options available, from the standpoints of both performance and complexity. Discusses forking, multithreading, the Global Interpreter Lock (GIL), and more. authors are vetted experts in their fields and write on topics in which they have demonstrated experienc
Parallel Sequential Scan is Committed!
VP, Chief Database Scientist @ EnterpriseDB, PostgreSQL Major Contributor and Committer I previously suggested that we might be able to get parallel sequential scan committed to PostgreSQL 9.5. That did not happen. However, I'm pleased to report that I've just committed the first version of parallel sequential scan to PostgreSQL's master branch, with a view toward having it included in the upcom
GNU Parallel- GNU Project - Free Software Foundation
GNU parallel is a shell tool for executing jobs in parallel using one or more computers. A job can be a single command or a small script that has to be run for each of the lines in the input. The typical input is a list of files, a list of hosts, a list of users, a list of URLs, or a list of tables. A job can also be a command that reads from a pipe. GNU parallel can then split the input and pipe
Rubyã§ä¸¦åˆ—処ç†ãŒç°¡å˜ã«ã§ãã‚‹gem parallel - é…’ã¨æ³ªã¨Rubyã¨Railsã¨
require 'rubygems' require 'parallel' require 'open-uri' require 'digest/md5' urls = [ 'http://farm4.staticflickr.com/3052/3086132328_e2041be795.jpg', 'http://farm7.staticflickr.com/6053/6312937936_cebaf2feb9.jpg', 'http://farm1.staticflickr.com/54/131841577_0e67642c02.jpg', 'http://farm3.staticflickr.com/2293/2266151759_058e732577.jpg' ] Parallel.each(urls, in_threads: 2) {|url| puts "start downl
第2回 タスク並列ライブラリ（1/3） - ï¼ IT
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GitHub - grosser/parallel_tests: Ruby: 2 CPUs = 2x Testing Speed for RSpec, Test::Unit and Cucumber
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