ben_multi.rb

# ben_multi.rb

require 'benchmark'
require 'bigdecimal/math'

require 'typhoeus'
require 'em-http-request'

## 通过修改iterations控制请求数
iterations = 500
url = 'http://www.google.com/'

# 测试typhoeus
Benchmark.bmbm(20)  do |bm|
    bm.report('typhoeus-singleton') do
        iterations.times do
            request = Typhoeus::Request.new(url)

            request.on_complete do |response|
                ## 处理结果
            end
            request.run
        end
    end
end

# 多线程
Benchmark.bmbm(10)  do |bm|
    hydra = Typhoeus::Hydra.hydra
    bm.report('typhoeus-multi') do
        iterations.times do
            #p url
            first_request = Typhoeus::Request.new(url)

            first_request.on_complete do |response|
                #p response
            end

            hydra.queue first_request
        end
        hydra.run
    end
end

## em-http-request
Benchmark.bmbm(20)  do |bm|
    bm.report('em-http-request-singleton') do
        iterations.times do
            EventMachine.run {
                http = EventMachine::HttpRequest.new(url).get

                http.errback{ p 'ERROR'; EM.stop}
                http.callback{
                    ## p http.response
                EventMachine.stop
                }                
            }
        end
    end
end

## em-http-request
Benchmark.bmbm(20)  do |bm|
    bm.report('em-http-request-multi') do
        EventMachine.run do
            multi = EventMachine::MultiRequest.new
            number = 0  
            iterations.times do
                number += 1
                multi.add number, EventMachine::HttpRequest.new(url).get

                multi.callback do  
                    multi.responses[
                        ## 处理回复信息
                        number
                    ]
                    EventMachine.stop

                end
            end
        end  
    end
end

多线程测试结果：



循环100次，时间差不多：
Rehearsal --------------------------------------------------------
typhoeus-singleton     0.090000   0.050000   0.140000 ( 14.776684)
----------------------------------------------- total: 0.140000sec
                           user     system      total        real
typhoeus-singleton     0.090000   0.040000   0.130000 ( 15.510564)

Rehearsal --------------------------------------------------
typhoeus-multi   0.170000   0.190000   0.360000 (  3.720471)
----------------------------------------- total: 0.360000sec
                     user     system      total        real
typhoeus-multi   0.140000   0.150000   0.290000 (  3.872118)

Rehearsal -------------------------------------------------------------
em-http-request-singleton   0.280000   0.060000   0.340000 ( 14.191702)
---------------------------------------------------- total: 0.340000sec
                                user     system      total        real
em-http-request-singleton   0.260000   0.060000   0.320000 ( 15.185372)

Rehearsal ---------------------------------------------------------
em-http-request-multi   0.250000   0.070000   0.320000 (  4.049698)
------------------------------------------------ total: 0.320000sec
                            user     system      total        real
em-http-request-multi   0.210000   0.060000   0.270000 (  4.092637)


循环200次，时间差不多：
Rehearsal --------------------------------------------------------
typhoeus-singleton     0.220000   0.090000   0.310000 ( 27.345565)
----------------------------------------------- total: 0.310000sec
                           user     system      total        real
typhoeus-singleton     0.180000   0.080000   0.260000 ( 26.062616)

Rehearsal --------------------------------------------------
typhoeus-multi   0.530000   0.590000   1.120000 ( 10.548426)
----------------------------------------- total: 1.120000sec
                     user     system      total        real
typhoeus-multi   0.410000   0.530000   0.940000 (  9.945984)

Rehearsal -------------------------------------------------------------
em-http-request-singleton   0.570000   0.110000   0.680000 ( 33.332747)
---------------------------------------------------- total: 0.680000sec
                                user     system      total        real
em-http-request-singleton   0.540000   0.110000   0.650000 ( 28.981736)

Rehearsal ---------------------------------------------------------
em-http-request-multi   0.490000   0.170000   0.660000 ( 12.083304)
------------------------------------------------ total: 0.660000sec
                            user     system      total        real
em-http-request-multi   0.490000   0.150000   0.640000 ( 10.417084)  

循环500次，typhoeus快：
Rehearsal --------------------------------------------------------
typhoeus-singleton     0.330000   0.070000   0.400000 (205.598741)
----------------------------------------------- total: 0.400000sec
                           user     system      total        real
typhoeus-singleton     0.290000   0.060000   0.350000 (211.323986)
Rehearsal --------------------------------------------------
typhoeus-multi   0.830000   0.210000   1.040000 (  5.836144)
----------------------------------------- total: 1.040000sec
                     user     system      total        real
typhoeus-multi   0.220000   0.140000   0.360000 (  2.936126)

Rehearsal -------------------------------------------------------------
em-http-request-singleton   1.260000   0.220000   1.480000 (466.522993)
---------------------------------------------------- total: 1.480000sec
                                user     system      total        real
em-http-request-singleton   1.270000   0.240000   1.510000 (492.234620)

Rehearsal ---------------------------------------------------------
em-http-request-multi   0.820000   0.350000   1.170000 ( 20.715418)
------------------------------------------------ total: 1.170000sec
                            user     system      total        real
em-http-request-multi   0.670000   0.230000   0.900000 (  6.991797)

循环1000次，typhoeus速度快多了：



Rehearsal --------------------------------------------------------
typhoeus-singleton     0.640000   0.140000   0.780000 (478.474353)
----------------------------------------------- total: 0.780000sec
                           user     system      total        real
typhoeus-singleton     0.600000   0.120000   0.720000 (449.769972)

Rehearsal --------------------------------------------------
typhoeus-multi   0.850000   0.480000   1.330000 (  7.703259)
----------------------------------------- total: 1.330000sec
                     user     system      total        real
typhoeus-multi   0.650000   0.390000   1.040000 (  8.215158)

Rehearsal -------------------------------------------------------------
em-http-request-singleton   2.510000   0.450000   2.960000 (1045.448796)
---------------------------------------------------- total: 2.960000sec
                                user     system      total        real
em-http-request-singleton   2.460000   0.440000   2.900000 (949.633308)

Rehearsal ---------------------------------------------------------
em-http-request-multi   0.410000   0.170000   0.580000 (242.618425)
------------------------------------------------ total: 0.580000sec
                            user     system      total        real
em-http-request-multi   0.370000   0.170000   0.540000 (246.199577)