schneems

require 'benchmark/ips'

env = {"foo" => "bar", "bar" => "baz", "baz" => "boo", "PATH_INFO" => "foo"}

Benchmark.ips do |x|
  x.report("set and reset") do
    env["PATH_INFO"] = "zoo"
    env
    env["PATH_INFO"] = "foo"
  end

schneems

require 'benchmark/ips'

env = {"foo" => "bar", "bar" => "baz", "baz" => "boo", "PATH_INFO" => "foo"}

Benchmark.ips do |x|
  x.report("set and reset") do
    env["PATH_INFO"] = "zoo"
    env
    env["PATH_INFO"] = "foo"
  end

schneems

require 'benchmark'
require 'tmpdir'
require 'thread'

AWS.config(access_key_id:    ENV.fetch('AWS_ACCESS_KEY_ID'),
           secret_access_key: ENV.fetch('AWS_SECRET_ACCESS_KEY'))

THREADS_TO_RUN = Integer(ENV["THREADS"] || 2)
store= AWS::S3.new.buckets[ENV.fetch('AWS_BUCKET')].objects

schneems

allocated memory by gem
-----------------------------------
rack-1.5.2 x 6491
actionpack-4.1.2 x 4888
hashie-2.1.1 x 4615
activesupport-4.1.2 x 4523
omniauth-1.2.1 x 1387
actionview-4.1.2 x 1107
ruby-2.1.2/lib x 1097
railties-4.1.2 x 925

schneems

namespace :perf do
  task :setup do
    require 'benchmark/ips'
    require 'rack/file'
    require 'time'
    require 'rack/test'

    require 'get_process_mem'

    TEST_CNT         = (ENV['TEST_CNT'] || ENV['CNT'] || 1_000).to_i

schneems

Accessing a hash

require 'benchmark/ips'

FOO  = "foo".freeze
HASH = {"foo" => "bar"}
Benchmark.ips do |x|
  x.report("constant") { HASH[FOO] }
 x.report("regular") { HASH["foo"]}

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list = `gem list`
list.each_line do |line|
  next unless line.match(/\(/)
  name = line.split("(").first
  cmd  = "gem uninstall #{name} --force --executables"
  puts cmd
  result = `#{cmd}`
  puts result unless $?.success?
end

schneems

In response to omniauth/omniauth#773 (comment)

Responses to your comments in turn.

I'd feel worse about omniaith with this pull request than without.

Agreed, that's why we closed it. This PR didn't go far enough. It tried to support the current interface, in its (almost) entirety when the right way to do it would be to introduce proper config with real honest to goodness objects and methods. I talked about this omniauth/omniauth#773 (comment)

I feel that it's taking on a chunk of technical debt.

schneems

Ruby on Rails is a popular web framework written in Ruby. This guide covers using Rails 4 on Heroku, running previous versions of Rails on Heroku see Getting Started with Rails 3.x on Heroku.

callout If you are already familiar with Heroku and Rails, reference the simplifed Rails 4 on Heroku guide instead. For general information on how to develop and architect apps for use on Heroku, see Architecting Applications for Heroku.

For this guide you will need:

schneems

source 'https://rubygems.org'

# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '5.0.0.alpha', github: 'rails/rails'
gem 'arel', github: 'rails/arel'


# Use sqlite3 as the database for Active Record
gem 'sqlite3'
# Use SCSS for stylesheets