go-queue
前一久看到一篇文章美团高性能队列——Disruptor，时候自己琢磨了一下；经过反复修改，实现了一个相似的无锁队列EsQueue，该无锁队列相对Disruptor，而言少了队列数量属性quantity的CAP操作，因此性能杠杠的，在测试环境：windows10，Core(TM) i5-3320M CPU 2.6G, 8G 内存，go1.8.3，下性能达到1460-1600万之间。现在把代码发布出来，请同行验证一下，代码如下：
注：请注意本方法已经通过 go test -race, 无警告。
go1.8.3 amd64, Grp: 1, Times: 10000000, use: 573.9109ms, 57ns/op
go1.8.3 amd64, Grp: 2, Times: 20000000, use: 1.1548186s, 57ns/op
go1.8.3 amd64, Grp: 3, Times: 30000000, use: 1.6787567s, 55ns/op
go1.8.3 amd64, Grp: 4, Times: 40000000, use: 2.2651588s, 56ns/op
go1.8.3 amd64, Grp: 5, Times: 50000000, use: 2.8762257s, 57ns/op
go1.8.3 amd64, Grp: 6, Times: 60000000, use: 3.4914045s, 58ns/op
go1.8.3 amd64, Grp: 7, Times: 70000000, use: 4.0040473s, 57ns/op
go1.8.3 amd64, Grp: 8, Times: 80000000, use: 4.5712089s, 57ns/op
go1.8.3 amd64, Grp: 9, Times: 90000000, use: 5.1765s, 57ns/op
go1.8.3 amd64, Grp: 10, Times: 10000000, use: 586.914ms, 58ns/op
go1.8.3 amd64, Grp: 11, Times: 11000000, use: 644.4879ms, 58ns/op
go1.8.3 amd64, Grp: 12, Times: 12000000, use: 694.4974ms, 57ns/op
go1.8.3 amd64, Grp: 13, Times: 13000000, use: 745.5212ms, 57ns/op
go1.8.3 amd64, Grp: 14, Times: 14000000, use: 822.6344ms, 58ns/op
go1.8.3 amd64, Grp: 15, Times: 15000000, use: 868.4927ms, 57ns/op
go1.8.3 amd64, Grp: 16, Times: 16000000, use: 943.6699ms, 58ns/op
go1.8.3 amd64, Grp: Sum, Times: 541000000, use: 31.0982489s, 57ns/op
注: 受Meltdown和Spectre处理器漏洞修复的影响，性能下降50%, 对应 pprof2
go1.8.3 amd64, Grp: 1, Times: 1000000, use: 90.8111ms, 90ns/op
go1.8.3 amd64, Grp: 2, Times: 2000000, use: 267.0498ms, 133ns/op
go1.8.3 amd64, Grp: 3, Times: 3000000, use: 325.0141ms, 108ns/op
go1.8.3 amd64, Grp: 4, Times: 4000000, use: 459.9871ms, 114ns/op
go1.8.3 amd64, Grp: 5, Times: 5000000, use: 531.0004ms, 106ns/op
go1.8.3 amd64, Grp: 6, Times: 6000000, use: 675.946ms, 112ns/op
go1.8.3 amd64, Grp: 7, Times: 7000000, use: 742.9081ms, 106ns/op
go1.8.3 amd64, Grp: 8, Times: 8000000, use: 900.09ms, 112ns/op
go1.8.3 amd64, Grp: 9, Times: 9000000, use: 966.0397ms, 107ns/op
go1.8.3 amd64, Grp: 10, Times: 1000000, use: 121.9575ms, 121ns/op
go1.8.3 amd64, Grp: 11, Times: 1100000, use: 123.9134ms, 112ns/op
go1.8.3 amd64, Grp: 12, Times: 1200000, use: 145.0397ms, 120ns/op
go1.8.3 amd64, Grp: 13, Times: 1300000, use: 144.9599ms, 111ns/op
go1.8.3 amd64, Grp: 14, Times: 1400000, use: 167.2686ms, 119ns/op
go1.8.3 amd64, Grp: 15, Times: 1500000, use: 168.7482ms, 112ns/op
go1.8.3 amd64, Grp: 16, Times: 1600000, use: 190.9838ms, 119ns/op
go1.8.3 amd64, Grp: Sum, Times: 93300000, use: 10.5246881s, 112ns/op
新增批量操作 Puts() Gets()后性能进一步提升
使用Puts, Gets 进行测试，块尺寸32, 性能可以更快, 对应 pprof4
go1.8.3 amd64, Grp: 1, Times: 1500000, use: 908.254ms, 605ns/32op 18/op
go1.8.3 amd64, Grp: 2, Times: 3000000, use: 1.4947772s, 498ns/32op 15/op
go1.8.3 amd64, Grp: 3, Times: 3000000, use: 1.4490451s, 483ns/32op 15/op
go1.8.3 amd64, Grp: 4, Times: 4000000, use: 2.1125661s, 528ns/32op 16/op
go1.8.3 amd64, Grp: 5, Times: 5000000, use: 2.3802556s, 476ns/32op 14/op
go1.8.3 amd64, Grp: 6, Times: 3000000, use: 1.5050799s, 501ns/32op 15/op
go1.8.3 amd64, Grp: 7, Times: 3500000, use: 1.6807146s, 480ns/32op 15/op
go1.8.3 amd64, Grp: 8, Times: 4000000, use: 1.8279384s, 456ns/32op 14/op
go1.8.3 amd64, Grp: 9, Times: 3600000, use: 1.6087893s, 446ns/32op 13/op
go1.8.3 amd64, Grp: 10, Times: 4000000, use: 1.8343257s, 458ns/32op 14/op
go1.8.3 amd64, Grp: 11, Times: 4400000, use: 1.9333989s, 439ns/32op 13/op
go1.8.3 amd64, Grp: 12, Times: 3600000, use: 1.5931753s, 442ns/32op 13/op
go1.8.3 amd64, Grp: 13, Times: 3900000, use: 1.7232328s, 441ns/32op 13/op
go1.8.3 amd64, Grp: 14, Times: 4200000, use: 1.8263283s, 434ns/32op 13/op
go1.8.3 amd64, Grp: 15, Times: 3000000, use: 1.2999684s, 433ns/32op 13/op
go1.8.3 amd64, Grp: 16, Times: 3200000, use: 1.3860389s, 433ns/32op 13/op
go1.8.3 amd64, Grp: Sum, Times: 56900000, use: 26.5638885s, 466ns/32op 14/op
使用Put, Gets 进行测试，块尺寸32, 性能提升不多, 对应 pprof5
----块尺寸-32----
go1.10.3 amd64, Grp: 1, Times: 48000000, use: 2.0869798s, 43ns/op
go1.10.3 amd64, Grp: 2, Times: 96000000, use: 4.253081s, 44ns/op
go1.10.3 amd64, Grp: 3, Times: 76800000, use: 3.448918s, 44ns/op
go1.10.3 amd64, Grp: 4, Times: 102400000, use: 4.5190001s, 44ns/op
go1.10.3 amd64, Grp: 5, Times: 128000000, use: 5.7560188s, 44ns/op
go1.10.3 amd64, Grp: 6, Times: 96000000, use: 4.0059824s, 41ns/op
go1.10.3 amd64, Grp: 7, Times: 112000000, use: 5.1509986s, 45ns/op
go1.10.3 amd64, Grp: 8, Times: 128000000, use: 5.5909991s, 43ns/op
go1.10.3 amd64, Grp: 9, Times: 115200000, use: 5.2770015s, 45ns/op
go1.10.3 amd64, Grp: 10, Times: 128000000, use: 5.5629135s, 43ns/op
go1.10.3 amd64, Grp: 11, Times: 140800000, use: 6.4389843s, 45ns/op
go1.10.3 amd64, Grp: 12, Times: 115200000, use: 5.1078895s, 44ns/op
go1.10.3 amd64, Grp: 13, Times: 124800000, use: 5.7341286s, 45ns/op
go1.10.3 amd64, Grp: 14, Times: 134400000, use: 5.8718558s, 43ns/op
go1.10.3 amd64, Grp: 15, Times: 96000000, use: 4.4031446s, 45ns/op
go1.10.3 amd64, Grp: 16, Times: 102400000, use: 4.4728723s, 43ns/op
go1.10.3 amd64, Grp: Sum, Times: 1744000000, use: 1m17.68076s, 44ns/op