[GitHub] pifuant commented on issue #238: [ISSUE #237] CLH spinlock

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pifuant commented on issue #238: [ISSUE #237] CLH spinlock
URL: https://github.com/apache/rocketmq/pull/238#issuecomment-371767994
 
 
   old version
   <img width="425" alt="old" 
src="https://user-images.githubusercontent.com/35783130/37201798-a45eceee-23c3-11e8-9628-b46cc0306c87.png";>
   
   new version
   <img width="422" alt="new" 
src="https://user-images.githubusercontent.com/35783130/37201804-a88db070-23c3-11e8-950b-199321581b49.png";>
   
   
   Thanks to 
http://gee.cs.oswego.edu/cgi-bin/viewcvs.cgi/jsr166/src/test/loops/SimpleMutexLoops.java?revision=1.1&view=markup
 , just replace Mutux to PutMessageSpinLock and make performance test.

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