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rtopitt : benchmark   34

Is Your Computer Stable?
Everyone breathes a sigh of relief when their newly built computer boots up for the first time, no matter how many times they've done it before. But booting is only the beginning of the story. Yeah, it boots, great. Color me unimpressed. What we really need to know is whether that computer is stable.

Although commodity computer parts are more reliable every year, and vendors test their parts plenty before they ship them, there's no guarantee all those parts will work reliably together, in your particular environment, under your particular workload. And there's always the possibility, however slim, of getting very, very unlucky with subtly broken components.

Because we're rational scientists, we test stuff in our native environment, and collect data to prove our computer is stable. Right? So after we boot, we test.
benchmark  hardware  pc  server  linux  ubuntu  memtest  memory  how-to  tip  geek  reference  teste 
march 2016 by rtopitt
Application Load Testing Tools for API Endpoints with loader.io
Simple Cloud-based Load Testing. Loader.io is a free load testing service that allows you to stress test your web-apps/apis with thousands of concurrent connections.
http  performance  benchmark  stress  test  webapp  saas 
september 2014 by rtopitt
JoeBlog Siege Home
Siege is an http load testing and benchmarking utility. It was designed to let web developers measure their code under duress, to see how it will stand up to load on the internet. Siege supports basic authentication, cookies, HTTP and HTTPS protocols. It lets its user hit a web server with a configurable number of simulated web browsers. Those browsers place the server “under siege.
http  performance  web  teste  benchmark  server 
june 2014 by rtopitt
Benchmarking Redis on AWS ElastiCache — Meldium
Amazon announced last week that the AWS ElastiCache service now supports the Redis protocol. We decided to benchmark all the available instance types to see what gives both the best raw performance, and the best bang for the buck. For most users, the m1-medium, m1-large, and especially m2-xlarge instances are the best combination of price, performance, and available memory.
aws  amazon  redis  ec2  cloud  performance  benchmark  teste  review  nosql  iaas  document_database 
september 2013 by rtopitt
How I Made My Ruby Project 10x Faster - adit.io
This post is about how I got a 10x speedup for my ruby gem contracts.ruby.
contracts.ruby is my project to add code contracts to Ruby.
ruby  performance  how-to  benchmark  tip 
august 2013 by rtopitt
How do I benchmark Ruby code?
Ruby’s standard library comes with a benchmarking library fit for measuring the execution time of your Ruby code. The Benchmark module offers several different ways for you to benchmark your code. I’ll take you through the different options and their use cases.
ruby  benchmark  teste  performance  artigo  how-to  biblioteca  analysis  tip  programming 
june 2013 by rtopitt
How-To: Quick Rails Benchmarking
bundle exec rails benchmarker --runs 10 'Account.expensive_method'
benchmark  performance  rails  how-to  ruby  tip 
may 2013 by rtopitt
byte-unixbench - Project Hosting on Google Code
UnixBench is the original BYTE UNIX benchmark suite, updated and revised by many people over the years. The purpose of UnixBench is to provide a basic indicator of the performance of a Unix-like system; hence, multiple tests are used to test various aspects of the system's performance. These test results are then compared to the scores from a baseline system to produce an index value, which is generally easier to handle than the raw scores. The entire set of index values is then combined to make an overall index for the system.
teste  performance  unix  linux  benchmark  software_livre 
march 2010 by rtopitt
namebench - Project Hosting on Google Code
Are you a power-user with 5 minutes to spare? Do you want a faster internet experience? Try out namebench. It hunts down the fastest DNS servers available for your computer to use. namebench runs a fair and thorough benchmark using your web browser history, tcpdump output, or standardized datasets in order to provide an individualized recommendation. namebench is completely free and does not modify your system in any way. This project began as a 20% project at Google.
linux  mac  windows  benchmark  performance  internet  dns  google  python  velocidade  importante  geek  software_livre  network 
december 2009 by rtopitt
Journal of Eivind Uggedal: VPS Performance Comparison
My latest side project, was it up?—a free web monitoring service, required a number of VPS instances due to its distributed nature. I previously conducted a comparison of Slicehost and Prgmr. This time I needed to purchase several instances and therefore went out and did a more throughout and wider comparison of which VPS provider would give me the most bang for my buck. I targeted VPS offerings in the $20 space (and the cheapest Amazon EC2 option). Summarizing the benchmarks gives us one clear winner: Linode.
vps  benchmark  review  comparação  linode  linux  hospedagem  performance  server 
november 2009 by rtopitt
Tokyo Cabinet vs Memcached
Tokyo Cabinet bills itself as a next-generation DBM. Like BerkeleyDB, TC gives you low-level database operations and allows you to build your own very fast data access operations. Unlike BDB, TC has several functional layers on top of TC which provide network access, schema-less document-oriented storage (a la CouchDB) and supported bindings for many languages. This project is an infrastructure nerd’s dream!
ruby  cache  benchmark  memcached  tokyo_cabinet  teste  how-to  importante  tip  database 
november 2009 by rtopitt
James on Software | Introducing Trample: A Better Load Simulator
Most load sim tools make requests to a static list of urls. Unfortunately, this kind of load simulation is unrealistic. Trample is a more flexible load simulator. Instead of a static list of urls, trample's configuration language is ruby. Using ruby's blocks (lambda functions), it's possible to randomize the requests that get made in each thread, as well as the user that logs in.
rails  ruby  performance  http  benchmark  carga  teste  simulação  ferramenta  importante 
june 2009 by rtopitt
Nimble Method: The future of Rails is Ruby 1.9 - real performance of 1.8, JRuby and 1.9 compared
We ported Acunote - our online enterprise project management and Scrum software to both JRuby and Ruby 1.9 and ran our set of performance benchmarks. Ruby 1.9 is 2x faster than 1.8. But the real world improvements are even better.
ruby  performance  jruby  1.9  comparação  rails  benchmark 
may 2009 by rtopitt
Primate Labs Geekbench
Geekbench 2 uses a number of different benchmarks to measure performance. Cross-plataform.
benchmark  geek  linux  mac_os_x  performance  teste  windows 
may 2009 by rtopitt
Dan Manges's Blog - Rails: Performance Tuning Workflow
Improving the runtime for a page from 0.75 to 0.25 seconds may not make much of a difference to the end user's experience. But it triples the number of requests that your app servers can handle. This post covers improving performance at this level.
benchmark  how-to  importante  otimização  performance  profiling  rails  tuning 
may 2009 by rtopitt
Parsing XML with Ruby // RailsTips.org by John Nunemaker
Exemplo de uso e benchmark de parsing de arquivos XML em Ruby, usando as 3 principais bibliotecas: REXML, Hpricot e libxml-ruby
benchmark  biblioteca  gem  how-to  parser  review  ruby  xml  tip 
may 2009 by rtopitt
赖洪礼的 blog » Benchmark: Passenger (mod_rails) vs Mongrel vs Thin
Teste comparativo de performance dos servidores de aplicação Rails Mongrel vs Thin vs mod_rails
benchmark  mod_rails  mongrel  performance  rails  review  ruby  teste  thin  server 
may 2009 by rtopitt
Phoronix Test Suite - Linux Testing
The Phoronix Test Suite is the most comprehensive testing and benchmarking platform available for Linux and is designed to carry out qualitative and quantitative benchmarks in a clean, reproducible, and easy-to-use manner. The Phoronix Test Suite can be u
benchmark  comparação  linux  performance  teste 
may 2009 by rtopitt
[Phoronix] Ubuntu Linux Disk Encryption Benchmarks
Teste de impacto na performance do uso de criptografia no disco inteira, de acordo com o padrão do Ubuntu 8.04 (via LVM com dm-crypt)
benchmark  criptografia  disco  lvm  performance  review  teste  ubuntu  security 
may 2009 by rtopitt
PassMark CPU Benchmark Charts
PassMark Software has delved into the thousands of benchmark results that PerformanceTest users have posted to its web site and produced five Intel vs AMD CPU charts to help compare the relative speeds of the different processors.
benchmark  comparação  cpu  hardware  processador  teste 
may 2009 by rtopitt
The Great Ruby Shootout | Zen and the Art of Ruby Programming
Comparação de performance entre Ruby 1.8.6 (MRI), Ruby 1.9 (Yarv), JRuby, Rubinius e XRuby
1.9  benchmark  comparação  jruby  performance  ruby 
may 2009 by rtopitt
New in Rails: a request profiler for profiling your app - redemption in a blog
Jeremy Kemper committed a very useful tool into the Rails trunk not too long ago: a request profiler! It’s a human-friendly wrapper script around the ruby-prof library that lets you run multiple requests against a URI in your application and get a detai
benchmark  edge  otimização  profiling  rails  ruby  programming 
may 2009 by rtopitt
category ruby-prof
Profiler para Ruby e Rails, para achar gargalos no código e otimizá-lo
benchmark  código-fonte  otimização  performance  profiling  rails  ruby 
may 2009 by rtopitt
Making Rails Go Vroom
Dicas de performance para aplicações Rails, baseadas em profiling com o ruby-prof no MapBuzz
benchmark  how-to  performance  profiling  rails  ruby  tip  programming 
may 2009 by rtopitt
How to Profile Your Rails Application
Como usar o ruby-prof para fazer profile de uma aplicação rails e descobrir quanto tempo cada rotina leva
benchmark  how-to  profiling  rails  ruby  programming 
may 2009 by rtopitt
Barefoot Development: JRuby on Rails -- Performance
Teste de performance do Rails rodando no JRuby 1.0 vs Ruby nativo 1.8.6
benchmark  jruby  performance  rails  ruby  teste  server 
may 2009 by rtopitt
Vitamin Features » 5 Ways to Optimize AJAX in Ruby on Rails
You’re understandably proud of your latest fancy AJAX interface, but is it wasting your app’s precious resources? In this article Shanti Braford shows you five ways to make sure your AJAX is optimized.
ajax  benchmark  javascript  otimização  rails  webapp  database  programming 
may 2009 by rtopitt
ClickHeat | Clicks heatmap
ClickHeat is a visual heatmap of clicks on a HTML page, showing hot and cold click zones.
benchmark  javascript  php  webapp  webdesign  advertisement  programming 
may 2009 by rtopitt
Benchmarking with httperf | PeepCode Screencasts for Ruby on Rails Developers
This screencast shows how to use the very simple (but capable) httperf command-line tool. It also explains the basic statistics you need to know to compare separate benchmarking runs.
benchmark  how-to  http  httperf  webapp  video 
may 2009 by rtopitt
Railsbench
Railsbench is a small collection of ruby and shell scripts which make measuring raw performance of rails apps a snap. All tests are run from the command prompt making performance regression testing easy.
benchmark  estatística  performance  rails  ruby 
may 2009 by rtopitt

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