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RSS订阅原创 MarkWord
ThemarkOopdescribestheheaderofanobject.Notethatthemarkisnotarealoopbutjustaword.Itisplacedintheoophierarchyforhistoricalreasons.Bit-formatofanobjectheader(mostsignificantfirst,bigendianlayoutbelow):3...
2021-02-26 14:58:42
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原创 Memory Access Ordering Model
Memory Access Ordering ModelThis interface is based on the JSR-133 Cookbook for Compiler Writersand on the IA64 memory model. It is the dynamic equivalent of theC/C++ volatile specifier. I.e., volatility restricts compile-timememory acces...
2021-02-26 14:26:10
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