briandfoy

BuiltinFunctions::ProhibitBooleanGrep
BuiltinFunctions::ProhibitStringyEval
BuiltinFunctions::ProhibitStringySplit
BuiltinFunctions::ProhibitUniversalCan
BuiltinFunctions::ProhibitUniversalIsa
ClassHierarchies::ProhibitExplicitISA
ControlStructures::ProhibitMutatingListFunctions
ControlStructures::ProhibitUnreachableCode
ErrorHandling::RequireCarping
InputOutput::ProhibitBarewordFileHandles

marktheunissen

This playbook has been removed as it is now very outdated.

funny-falcon

RTRUNK=/home/yura/tmp/ruby/bin
alias mtime='/usr/bin/time -f "real %e\tuser %U\tsys %S\nmax %M\tcw %c" $@'
# WHEN INSTALLED TRUNK
for i in `seq 1 13` ; do echo $i 1>&2 && mtime $RTRUNK/ruby check.rb $i 100000 ; done > st_trunk.log
# 1
# real 0.48	user 0.47	sys 0.00
# max 19760	cw 4
# 2
# real 0.60	user 0.58	sys 0.01
# max 21264	cw 12

headius

system ~/projects/nokogiri $ pickjdk 1
New JDK: 1.6.0.jdk

system ~/projects/nokogiri $ jruby -v xmlbench.rb 
jruby 1.7.0.dev (ruby-1.8.7-p357) (2012-01-10 bd4cc62) (Java HotSpot(TM) 64-Bit Server VM 1.6.0_29) [darwin-x86_64-java]
 11.331000   0.000000  11.331000 ( 11.331000)
 10.239000   0.000000  10.239000 ( 10.239000)
 10.185000   0.000000  10.185000 ( 10.185000)
 10.113000   0.000000  10.113000 ( 10.113000)
 10.120000   0.000000  10.120000 ( 10.120000)

igrigorik

# after warming up the VM (20k reqs+)
# ...

ab -c 50 -n 5000 http://127.0.0.1:9000/
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking 127.0.0.1 (be patient)
Completed 500 requests

headius

class Object
  def _(name, *partial_args)
    Proc.new do |*new_args|
      send name, *partial_args.map {|arg| arg == :_ ? new_args.shift : arg}
    end
  end
end

# Practical examples:
[1,2,3].each &_(:puts, :_)

gist:1212690

irb(main):009:0> require 'java'
=> false
irb(main):010:0> mf = Java::sun.management.ManagementFactory
=> Java::SunManagement::ManagementFactory
irb(main):011:0> hs_mem = mf.hotspot_memory_mbean
=> #<#<Class:0x3cbdb6ae>:0x7987b5ff>
irb(main):012:0> ctrs = hs_mem.internal_memory_counters
=> #<Java::JavaUtil::ArrayList:0x2e41dc79>
irb(main):013:0> ctrs.each {|x| puts "#{x.name} = #{x.value} #{x.units}"}
sun.gc.cause = No GC String

mikhailov

- http://www.coffeepowered.net/2009/06/13/fine-tuning-your-garbage-collector/
- http://snaprails.tumblr.com/post/241746095/rubys-gc-configuration

  article’s settings:                                     ("spec spec" took 17-23!sec)
	export RUBY_HEAP_MIN_SLOTS=1250000
	export RUBY_HEAP_SLOTS_INCREMENT=100000
	export RUBY_HEAP_SLOTS_GROWTH_FACTOR=1
	export RUBY_GC_MALLOC_LIMIT=30000000
	export RUBY_HEAP_FREE_MIN=12500

mfdela

#!/usr/bin/ruby1.9

require 'fiber'
require 'benchmark'

class Ring
   attr_reader :id
   attr_accessor :attach 

   def initialize(id)

cheeyeo

# delay the GC - usage as below

# Spec::Runner.configure do |config|
    .....
  
#   config.before(:each) do
#     begin_gc_deferment
#   end

#   config.after(:each) do