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-XX:+StressLCM, -XX:+StressGCM Options for JVM

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While playing with some jcstress code, I noticed two parameters that are very new to me: StressLCM and StressGCM.

The very first thing to do for me was searching for these in the source code itself and while I have found some things, it is still unclear what they actually do. I was really hoping to see some comments in the source code that would shed some light, but no luck.

I also found the bug description where these have been added, but the explanation made no sense for me:

Randomize instruction scheduling in LCM/GCM.

Can someone explain what they do, if possible in plain english?


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