#ruby #benchmark

benchmark.rb

#!/usr/bin/env ruby
require 'benchmark'

iterations = 1_000_000

Benchmark.bm do |bm|
  # joining an array of strings
  bm.report do
    iterations.times do
      ["The", "current", "time", "is", Time.now].join(" ")
    end
  end

  # using string interpolation
  bm.report do
    iterations.times do
      "The current time is #{Time.now}"
    end
  end
end

       user     system      total        real
   3.980000   0.010000   3.990000 (  3.981517)
   2.790000   0.010000   2.800000 (  2.822012)

       user     system      total        real
   4.960000   0.020000   4.980000 (  4.990655)
   3.070000   0.000000   3.070000 (  3.073022)

Vagrant: Virtual-Box provider on Windows

       user     system      total        real
   4.930000   0.010000   4.940000 (  4.953653)
   3.730000   0.010000   3.740000 (  3.751792)

Vagrant on EC2 m4.large

       user     system      total        real
   3.310000   0.440000   3.750000 (  3.754082)
   2.170000   0.460000   2.630000 (  2.625758)

Vagrant: Virtual-Box provider on Windows: KVM interface (Surface Book)

       user     system      total        real
   3.280000   0.940000   4.220000 (  4.238997)
   2.270000   0.770000   3.040000 (  3.062164)

       user     system      total        real
   3.850000   0.000000   3.850000  (  3.865135)
   2.580000   0.010000    2.590000  (  2.580340) 

Ubuntu 16.04 on Virtual Box:

       user     system      total        real
   3.050000   0.380000   3.430000 (  3.448118)
   1.960000   0.370000   2.330000 (  2.346749)

Hardware:

Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                2
On-line CPU(s) list:   0,1
Thread(s) per core:    1
Core(s) per socket:    2
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 78
Model name:            Intel(R) Core(TM) i7-6600U CPU @ 2.60GHz
Stepping:              3
CPU MHz:               2808.002
BogoMIPS:              5616.00
Hypervisor vendor:     KVM
Virtualization type:   full
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              4096K
NUMA node0 CPU(s):     0,1

       user     system      total        real
   3.190000   0.070000   3.260000 (  3.254397)
   2.130000   0.020000   2.150000 (  2.162269)

Ruby 2.4.2 on WSL 16.04

       user     system      total        real
   4.770000   3.400000   8.170000 (  8.303680)
   2.950000   3.640000   6.590000 (  6.682779)

Macbook Pro, i7 32GB, VMWare Fusion

       user     system      total        real
   2.650635   0.844401   3.495036 (  3.495127)
   2.028558   0.816248   2.844806 (  2.844858)

Desktop, i7 32GB, VMWare Workstation

       user     system      total        real
   2.417273   0.868471   3.285744 (  3.294538)
   1.786456   0.755417   2.541873 (  2.543561)

M1 Studio

       user     system      total        real
   1.645968   0.004830   1.650798 (  1.651007)
   1.285832   0.003811   1.289643 (  1.289669)

Gogo's Chute Desktop:

       user     system      total        real
   2.005290   0.000000   2.005290 (  2.005366)
   1.417563   0.000000   1.417563 (  1.417575)

       user     system      total        real
   1.427310   0.001575   1.428885 (  1.429883)
   1.049289   0.000957   1.050246 (  1.050320)

@ozeias thats amazing!

       user     system      total        real
   1.027717   0.000355   1.028072 (  1.029195)
   0.762456   0.000289   0.762745 (  0.763693)

       user     system      total        real
   0.969262   0.008949   0.978211 (  0.978292)
   0.673414   0.001981   0.675395 (  0.675425)

❯ ruby -v
ruby 3.3.6 (2024-11-05 revision 75015d4c1f) [x86_64-linux]

❯ curl -sSL https://gist.githubusercontent.com/gauravs/c52e35b5d6a4cbe1bc65/raw/benchmark.rb | ruby
       user     system      total        real
   1.092085   0.010109   1.102194 (  1.102220)
   0.787855   0.000000   0.787855 (  0.787861)

       user     system      total        real
   0.969262   0.008949   0.978211 (  0.978292)
   0.673414   0.001981   0.675395 (  0.675425)

@ozeias finally broke the 1 second time!

@gauravs crazy to look back and see how much faster are the new devices.