crystal-nightly-vs-new-fibers.md

Crystal benchmark (nightly vs new-fibers)

This benchmark compares the performance of new fibers implementation vs current (PCL backed one).

• Code was compiled with --release flag
• Benchmarks were performed on same computer (localhost)

Benchmarks

Simple HTTP Hello (direct HTTP::Server)

require "http/server"

server = HTTP::Server.new(9292) do |request|
  HTTP::Response.ok "text/html", "Hello World!"
end

Signal::INT.trap {
  server.close
  exit
}

server.listen

Crystal	req/s	latency
0.10.0 [dcdad46]	99168.95	1.01ms
new-fibers [e338cb1]	119483.80	841.39us

Beryl (Hello World)

require "beryl"

class HelloAction < Beryl::Action
  def call(params)
    HTTP::Response.ok "text/html", "Hello World!"
  end
end

class HelloRouter < Beryl::Router
  routing do
    get "/", HelloAction
  end
end

server = HTTP::Server.new(9292, HelloRouter.new)

Signal::INT.trap {
  server.close
  exit
}

server.listen

Crystal	req/s	latency
0.10.0 [dcdad46]	70528.02	1.41ms
new-fibers [e338cb1]	75957.72	1.32ms

Hardware

The following hardware was used for these benchmarks:

• Ubuntu 15.10 64-bit (kernel: 4.2.0-23-generic)
• Dell XPS 13 (9343, QHD, Developer Edition)
• Intel® Core™ i7-5500U CPU @ 2.40GHz × 4
• 8GB RAM
• 256GB SSD