Project

General

Profile

Bug #3726

require degradation from 1.9.1

Added by funny_falcon (Yura Sokolov) almost 10 years ago. Updated almost 9 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Target version:
ruby -v:
ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-linux]
Backport:
[ruby-core:31798]

Description

=begin
I have two simultaneous installation of ruby 1.9.1 and ruby 1.9.2.
There are installed gems ( pg in particular ).

Having file 5.rb containing

require 'pg'

i have following results:

For ruby 1.9.1:

# time /opt/ruby1.9.1/bin/ruby1.9 5.rb

real 0m0.086s
user 0m0.056s
sys 0m0.008s

# time /opt/ruby1.9.1/bin/ruby1.9 -r profile 5.rb
% cumulative self self total
time seconds seconds calls ms/call ms/call name
100.00 0.03 0.03 2 15.00 25.00 Kernel.require
0.00 0.03 0.00 131 0.00 0.00 Module#method_added
0.00 0.03 0.00 3 0.00 0.00 Class#inherited
0.00 0.03 0.00 1 0.00 0.00 String#=~
0.00 0.03 0.00 13 0.00 0.00 BasicObject#singleton_method_added
0.00 0.03 0.00 4 0.00 0.00 IO#set_encoding
0.00 0.03 0.00 1 0.00 30.00 #toplevel

real 0m0.116s
user 0m0.076s
sys 0m0.020s

For ruby 1.9.2:

# time /opt/ruby1.9.2/bin/ruby1.9 5.rb

real 0m0.449s
user 0m0.296s
sys 0m0.048s

# time /opt/ruby1.9.2/bin/ruby1.9 -r profile 5.rb
% cumulative self self total
time seconds seconds calls ms/call ms/call name
27.74 0.43 0.43 28 15.36 60.36 Kernel.gem_original_require
5.16 0.51 0.08 3963 0.02 0.02 Hash#default
5.16 0.59 0.08 45 1.78 7.33 Array#each
4.52 0.66 0.07 287 0.24 0.42 String#gsub
3.23 0.71 0.05 897 0.06 0.06 Module#===
3.23 0.76 0.05 11 4.55 45.45 Gem::SourceIndex#load_specification
3.23 0.81 0.05 371 0.13 0.24 Kernel.dup
3.23 0.86 0.05 265 0.19 0.68 RbConfig.expand
2.58 0.90 0.04 126 0.32 10.63 Class#new
2.58 0.94 0.04 374 0.11 0.11 Kernel.initialize_dup
2.58 0.98 0.04 605 0.07 0.07 Kernel.===
1.94 1.01 0.03 585 0.05 0.05 Hash#[]=
1.94 1.04 0.03 31 0.97 4.19 Gem::Requirement#initialize
1.94 1.07 0.03 11 2.73 2.73 IO#read
1.94 1.10 0.03 31 0.97 3.23 Array#map!
1.29 1.12 0.02 531 0.04 0.04 Module#method_added
1.29 1.14 0.02 27 0.74 85.93 Kernel.require
1.29 1.16 0.02 363 0.06 0.06 Kernel.instance_variable_set
1.29 1.18 0.02 59 0.34 0.34 String#scan
1.29 1.20 0.02 64 0.31 0.63 Array#map
1.29 1.22 0.02 21 0.95 1.43 Gem::Specification#attribute
1.29 1.24 0.02 59 0.34 1.53 Gem::Version#initialize
1.29 1.26 0.02 29 0.69 1.03 Array#select
0.65 1.27 0.01 308 0.03 0.03 String#==
0.65 1.28 0.01 159 0.06 0.06 String#to_i
0.65 1.29 0.01 3 3.33 186.67 Mutex#synchronize
0.65 1.30 0.01 26 0.38 0.38 Dir#[]
0.65 1.31 0.01 59 0.17 0.34 Gem::Version#correct?
0.65 1.32 0.01 1 10.00 10.00 Gem.ruby_engine
0.65 1.33 0.01 71 0.14 0.14 String#=~
0.65 1.34 0.01 2 5.00 5.00 Dir#glob
0.65 1.35 0.01 40 0.25 0.25 Module#attr_accessor
0.65 1.36 0.01 176 0.06 0.06 Regexp#=~
0.65 1.37 0.01 9 1.11 1.11 Module#include
0.65 1.38 0.01 8 1.25 1.25 Time#local
0.65 1.39 0.01 100 0.10 0.10 Symbol#to_s
0.65 1.40 0.01 8 1.25 1.25 Comparable.>=
0.65 1.41 0.01 11 0.91 40.91 Kernel.eval
0.65 1.42 0.01 47 0.21 0.21 Kernel.object_id
0.65 1.43 0.01 18 0.56 1.67 Gem::GemPathSearcher#matching_files
0.65 1.44 0.01 1 10.00 10.00 Gem::SourceIndex#search
0.65 1.45 0.01 143 0.07 0.07 Hash#[]
0.65 1.46 0.01 163 0.06 0.06 BasicObject#singleton_method_added
0.00 1.46 0.00 3 0.00 0.00 Gem::Specification#original_name
0.00 1.46 0.00 1 0.00 150.00 Hash#each_value
0.00 1.46 0.00 1 0.00 0.00 Hash#merge!
0.00 1.46 0.00 1 0.00 0.00 Mutex#initialize
.......................................................
0.00 1.46 0.00 1 0.00 0.00 Gem.load_path_insert_index
0.00 1.46 0.00 1 0.00 0.00 Array#insert
0.00 1.46 0.00 1 0.00 10.00 Gem.activate
0.00 1.55 0.00 1 0.00 1550.00 #toplevel

real 0m2.215s
user 0m1.656s
sys 0m0.096s
=end

Also available in: Atom PDF