Use language TLS specifier if it is possible. #3667

ko1 · 2020-10-19T07:56:30Z

To access TLS, it is faster to use language TLS specifier instead
of using pthread_get/setspecific functions.

Original proposal is: Use native thread locals. #3665

To access TLS, it is faster to use language TLS specifier instead of using pthread_get/setspecific functions. Original proposal is: Use native thread locals. ruby#3665

ko1 · 2020-10-19T14:10:59Z

Benchmark.driver(repeat_count: 5
                 #, runner: :once
                 ){|x|
  x.executable name: 'ruby27_static_miniruby', command: %w'../ruby_2_7_static/miniruby'
  x.executable name: 'ruby27_miniruby',        command: %w'../ruby_2_7/miniruby'
  x.executable name: 'master_static_miniruby', command: %w'../clean-st/miniruby'
  x.executable name: 'master_miniruby',        command: %w'../clean/miniruby'
  x.executable name: 'modified_miniruby',      command: %w'./miniruby'

  x.executable name: 'ruby27_static', command: %w'/home/ko1/ruby/v3/install/ruby_2_7_static/bin/ruby'
  x.executable name: 'ruby27',        command: %w'/home/ko1/ruby/v3/install/ruby_2_7/bin/ruby'
  x.executable name: 'master-static', command: %w'/home/ko1/ruby/v3/install/clean-st/bin/ruby'
  x.executable name: 'master',        command: %w'/home/ko1/ruby/v3/install/clean/bin/ruby'
  x.executable name: 'modified',      command: %w'/home/ko1/ruby/v3/install/trunk/bin/ruby'

  x.prelude %q{
    p $:
    f = Fiber.new do
      loop do
        Fiber.yield
      end
    end
  }
  x.report 'f.resume'
}

Warming up --------------------------------------
            f.resume                10.475M i/s -     10.524M times in 1.004680s (95.46ns/i, 361clocks/i)
Calculating -------------------------------------
                     ruby27_static_miniruby  ruby27_miniruby  master_static_miniruby  master_miniruby  modified_miniruby  ruby27_static      ruby27  master-static      master    modified
            f.resume                12.447M          10.077M                  8.664M           8.048M            11.155M        12.310M      9.430M         8.484M      7.927M     11.316M i/s -     31.425M times in 2.524700s 3.118576s 3.626964s 3.904665s 2.817025s 2.552897s 3.332431s 3.703976s 3.964356s 2.777091s

Comparison:
                         f.resume
ruby27_static_miniruby:  12447150.4 i/s
       ruby27_static:  12309671.8 i/s - 1.01x  slower
            modified:  11315913.9 i/s - 1.10x  slower
   modified_miniruby:  11155499.1 i/s - 1.12x  slower
     ruby27_miniruby:  10076819.6 i/s - 1.24x  slower
              ruby27:   9430148.9 i/s - 1.32x  slower
master_static_miniruby:   8664359.8 i/s - 1.44x  slower
       master-static:   8484214.3 i/s - 1.47x  slower
     master_miniruby:   8048149.4 i/s - 1.55x  slower
              master:   7926969.1 i/s - 1.57x  slower

ko1 force-pushed the use_language_tls branch 2 times, most recently from 75594d4 to ef17f78 Compare October 19, 2020 13:04

Use language TLS specifier if it is possible.

5cf18a7

To access TLS, it is faster to use language TLS specifier instead of using pthread_get/setspecific functions. Original proposal is: Use native thread locals. ruby#3665

ko1 force-pushed the use_language_tls branch from ef17f78 to 5cf18a7 Compare October 19, 2020 13:41

ko1 merged commit 319afed into ruby:master Oct 19, 2020

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Use language TLS specifier if it is possible. #3667

Use language TLS specifier if it is possible. #3667

ko1 commented Oct 19, 2020

ko1 commented Oct 19, 2020 •

edited

Loading

Use language TLS specifier if it is possible. #3667

Use language TLS specifier if it is possible. #3667

Conversation

ko1 commented Oct 19, 2020

ko1 commented Oct 19, 2020 • edited Loading

ko1 commented Oct 19, 2020 •

edited

Loading