摘要： 一定一定得避免原子操作，因为对于性能的影响实在是太明显了，例如，throughput从800MBps骤降至110MBps,看论坛是看到有人转述的一筒子的话，记录于下:honestly, if you're trying to do this you're probably going down the wrong path, but general rules of thumb are- don't have multiple threads within a warp contending for a lock, that leads to all sorts of 阅读全文