memory barrier

Changing the semantics to require releasing a lock to be a full memory barrier would have performance penalties.

即使编译器不会重序，在一个多核处理或内存系统中也会进行重序。

The memory barrier is a signal that tells the CPU that it must coordinate with all the other CPUs in order to fetch the most up to date value.

存储关卡像一个信号，它通知CPU此时必须和其他所有的CPU进行协调，以此获得最新的数值。

Comparing the normal to the abnormal through scanning with CT on skull-brains, the memory barrier of the normal person was slighter ( P < 0. 01).

头颅CT扫描正常者与异常者进行比较，正常者记忆障碍较轻（P

Studies on Effect of Crude Saponin Extracted from Panax ginseng Root or Stem and Leaf on Improving the Learn and Memory Barrier of Rats

人参根和茎叶皂甙对大鼠学习记忆障碍改善作用研究

Inter-core coordination, that is, memory barrier semantics, clearly has its overhead as evidenced by the performance of the benchmark when running on my system with one of the cores turned off.

不同核之间的协调，比如存储关卡语义，通过关掉一个核运行的测试结果看，很明显会带来系统开销。

Mutexes will insert a" memory barrier," which ensures that the writes to main memory occur in the order the threads lock the mutex.

互斥对象将插入一道“内存关卡”，由它来确保对主存的写入按照线程锁定互斥对象的顺序进行。

The memory barrier of the patients with medium or serious skull-brain traumas was much graver than the slight ( P < 0. 001);

中、重型颅脑外伤病人的记忆障碍，较轻型更为严重（P