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Crystal と CRuby でHTTPサーバのベンチマーク

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Matz も驚く Crystal


Crystal

Language Goals Ruby-inspired syntax. Statically type-checked but without having to specify the type ...

http://crystal-lang.org/

ruby と殆ど同じシンタックスが通る様です。

# A very basic HTTP server
require "http/server"

server = HTTP::Server.new(8080do |request|
  HTTP::Response.ok "text/plain""Hello world!"
end

puts "Listening on http://0.0.0.0:8080"
server.listen

しかも native code が吐けるらしい。ならばとベンチマークを取ってみた。CRuby 側は以下の sinatra。CRuby は 2.2.0p0 を使用。

require "sinatra"

set :environment:production

get "/" do
  content_type 'text/plain'
  "Hello world!"
end
$ ab -k -c 10 -n 10000 http://localhost:8000

まずは sinatra

Server Hostname:        localhost
Server Port:            4567

Document Path:          /
Document Length:        12 bytes

Concurrency Level:      10
Time taken for tests:   8.502 seconds
Complete requests:      10000
Failed requests:        0
Keep-Alive requests:    10000
Total transferred:      1620000 bytes
HTML transferred:       120000 bytes
Requests per second:    1176.24 [#/sec] (mean)
Time per request:       8.502 [ms] (mean)
Time per request:       0.850 [ms] (mean, across all concurrent requests)
Transfer rate:          186.08 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       0
Processing:     1    8   2.6      8      66
Waiting:        1    8   2.6      8      66
Total:          1    8   2.6      8      67

Percentage of the requests served within a certain time (ms)
  50%      8
  66%      9
  75%      9
  80%     10
  90%     11
  95%     13
  98%     14
  99%     16
 100%     67 (longest request)

そして Crystal

追記: 以下はデバッグビルドの結果でした。その下に続けてリリースビルド時の結果を追記しています。

デバッグビルド

Server Hostname:        localhost
Server Port:            8080

Document Path:          /
Document Length:        12 bytes

Concurrency Level:      10
Time taken for tests:   0.633 seconds
Complete requests:      10000
Failed requests:        0
Keep-Alive requests:    10000
Total transferred:      1010000 bytes
HTML transferred:       120000 bytes
Requests per second:    15802.98 [#/sec] (mean)
Time per request:       0.633 [ms] (mean)
Time per request:       0.063 [ms] (mean, across all concurrent requests)
Transfer rate:          1558.69 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       1
Processing:     0    1   0.2      1       3
Waiting:        0    1   0.2      1       3
Total:          0    1   0.2      1       3

Percentage of the requests served within a certain time (ms)
  50%      1
  66%      1
  75%      1
  80%      1
  90%      1
  95%      1
  98%      1
  99%      1
 100%      3 (longest request)

リリースビルド

Server Software:        
Server Hostname:        localhost
Server Port:            8080

Document Path:          /
Document Length:        12 bytes

Concurrency Level:      10
Time taken for tests:   0.295 seconds
Complete requests:      10000
Failed requests:        0
Keep-Alive requests:    10000
Total transferred:      1010000 bytes
HTML transferred:       120000 bytes
Requests per second:    33888.54 [#/sec] (mean)
Time per request:       0.295 [ms] (mean)
Time per request:       0.030 [ms] (mean, across all concurrent requests)
Transfer rate:          3342.52 [Kbytes/sec] received

Connection Times (ms)
              min  mean[+/-sd] median   max
Connect:        0    0   0.0      0       1
Processing:     0    0   0.1      0       1
Waiting:        0    0   0.1      0       1
Total:          0    0   0.1      0       1

Percentage of the requests served within a certain time (ms)
  50%      0
  66%      0
  75%      0
  80%      0
  90%      1
  95%      1
  98%      1
  99%      1
 100%      1 (longest request)

比べ物にならなかった。ただ、h2ohttp-serverだとファイルをサーブしたとしても 28000req/sec から 30000req/sec は出る環境なので、Crystal のネイティブコードがめちゃくちゃ速いという訳ではない。


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