You can use "measure" command to check performance in IRB like below:
irb(main):001:0> 3
=> 3
irb(main):002:0> measure
TIME is added.
=> nil
irb(main):003:0> 3
processing time: 0.000058s
=> 3
irb(main):004:0> measure :off
=> nil
irb(main):005:0> 3
=> 3
You can set "measure :on" by "IRB.conf[:MEASURE] = true" in .irbrc, and, also,
set custom performance check method:
IRB.conf[:MEASURE_PROC][:CUSTOM] = proc { |context, code, line_no, &block|
time = Time.now
result = block.()
now = Time.now
puts 'custom processing time: %fs' % (Time.now - time) if IRB.conf[:MEASURE]
result
}
3899eaf2e2
This new mode uses a copy of the TOPLEVEL_BINDING. This is compatible with refinements (contrary to mode 3), while keeping nested IRB sessions separate
25c731cb2f
* Reverts part of 3198e7abd7.
* If the rule is #send should be deprecated, that should be ruled by matz,
there is no such rule currently and gems seem to prefer #send
overwhelmingly.
Omit the results evaluated at assignment if they are too long.
The behavior of ECHO_ON_ASSIGNMENT being on by default is hard to understand,
so I change it to off by default. Instead, we turn OMIT_ON_ASSIGNMENT on by
default. The result is displayed on assignment, but it will always be short
and within one line of the screen.
c5ea79d5ce
nobu-san reviewed,
https://github.com/ruby/irb/pull/106#pullrequestreview-423400033
> How about lexer = Ripper::Lexer.new(";\n#{code}", nil, 0)?
> Encoding pragma is effective only at the beginning.
> And the semicolon and newline will be skipped because the position is before
> the initial pos.
I employ the way.
Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
e593cc65b7
* Support XDG_CONFIG_HOME for gemrc.
* Support XDG_DATA_HOME for .gem
* Added test for XDG_DATA_HOME
* Do not reuse environmental variable.
* Unify .rdoc path to RDoc.home.
* Support XDG_DATA_HOME for .rdoc
* Ignore exists?
* Extracted config_home path
* Use XDG_CONFIG_HOME for default credential path
* Fixed inconsistency location.
* Fixed the broken tests.
* Support XDG_CONFIG_HOME for irbrc
* Introduce Gem.cache_home as XDG_CACHE_HOME
* Use Gem.cache_home instead of Gem.config_home for the credential file of RubyGems.
* Initialized the old configurations
* Fixed test failure related the configuration initialization
* restore XDG_DATA_HOME
* Fixed the broken examples of bundler with XDG_*
* Do not modify environmental variable on test file
* Use XDG_DATA_HOME insted of XDG_CACHE_HOME for credential file
* stub out Gem.data_home
* Move dir accessor to defaults.rb file
* Use XDG_DATA_HOME for signed gem features
* Use XDG_DATA_HOME for spec cache
* Do not rely on Gem.user_home
* Gem.user_home is always exists. Don't need to use FileUitls.mkdir_p
* Bump support version to RubyGems 3.2.0+
* Removed the needless fallback configuration
* Fixed the inconsistency methods that are find_config_file and config_file
* Use Gem.configuration.credentials_path instead of hard-coded path
* gem_path is always provided
* Removed the duplicated code of find_home
* Also removed the duplicated code of user_home
* use Gem::UNTAINT instead of untaint for surpressing the warnings
* Use File.directory
* Restore XDG_DATA_HOME
* Use File.write
