kwleland

    a = Array.new
    10000000.times do
        b= Array.new
        a.push(b)
    end

kwleland

admin2:ruby kwleland$ ruby -Xdebug x8.rb
An exception occurred running the debugger:

    no such file to load -- rubinius/compiler/iseq (LoadError)

Backtrace:

                         Rubinius::CodeLoader#load_error at kernel/common/code_loader.rb:440
               Rubinius::CodeLoader#resolve_require_path at kernel/common/code_loader.rb:423
                     { } in Rubinius::CodeLoader#require at kernel/common/code_loader.rb:103

kwleland

  require 'benchmark'
  require 'benchmark/ips'

  long_text = File.new('holmes.txt').read.downcase
    #holmes.txt @  http://norvig.com/holmes.txt
  medium_text = long_text.slice(0,1000)
  short_text = long_text.slice(0,100)

  Benchmark.ips do |x|
    x.report "string scan (long length)" do |times|

kwleland

Thread 1: total running time: 191.491809676s

  %   cumulative   self                self     total
 time   seconds   seconds      calls  ms/call  ms/call  name
------------------------------------------------------------
   8.36   23.56     16.02    4150098     0.00     0.01  String#[]
   7.43   27.81     14.24    2903040     0.00     0.01  String#replace
   7.32   35.12     14.03    1247058     0.01     0.03  String#[]=
   6.25   63.45     11.97    2903040     0.00     0.02  String#+
   5.84   26.53     11.19     884179     0.01     0.03  Array::recursively_flatten<1796> {}

kwleland

# Word anagrams (with duplicates).
# Submitted by Giovanni Intini <[email protected]>

class String
  def swap(i)
    tmp = self[0,1]
    self[0] = self[i]
    self[i] = tmp
    self
  end

kwleland

  require 'benchmark'
  require 'benchmark/ips'

  Benchmark.ips do |x|

    s = "abcdefghijk"
    last_index = s.length - 1
    middle_index = last_index/2

    x.report("element assignment at beginning") do |times|

kwleland

Script started on Tue 07 Apr 2015 10:23:47 AM EDT
[root@app0 ~]# gdb -p 22482
GNU gdb (GDB) Red Hat Enterprise Linux (7.2-75.el6)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:

kwleland

  Thread.new do  
    while true
      sleep 10
      puts "heartbeat"
    end
  end
    
  while true 
    ar = []
    100.times do

kwleland

Starting program: /usr/bin/rbx ./t.rb
[Thread debugging using libthread_db enabled]
[New Thread 0x7fffef301700 (LWP 6838)]
[New Thread 0x7fffeef00700 (LWP 6839)]
[New Thread 0x7fffeeaff700 (LWP 6840)]
[New Thread 0x7fffee6fe700 (LWP 6841)]
[New Thread 0x7fffee2fd700 (LWP 6842)]
[New Thread 0x7fffedefc700 (LWP 6843)]
[New Thread 0x7fffecec7700 (LWP 6844)]
[New Thread 0x7ffff6179700 (LWP 6847)]

kwleland

Script started on Tue 12 May 2015 01:44:04 PM EDT
[root@ops ~]# gdb -p 30764
GNU gdb (GDB) Red Hat Enterprise Linux (7.2-60.el6_4.1)
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see: