MacBook Pro shows a QuPath screen.
Memory accesses are among the most complicated and performance critical operations on a modern CPU. For each memory access, the load/store unit has to translate program-visible virtual addresses into physical addresses. It also has to determine whether loads should get data from an older store, or from the cache hierarchy. Cortex X925 has four address generation units that calculate virtual addresses. Two of those can handle stores.
,这一点在同城约会中也有详细论述
Feb. 27, 2026 at 11:54 a.m. PT
Extra firm (9 to 10 out of 10)
想象一下餐厅后厨。平台线程就像厨师,每个厨师都有自己的灶台、案板、锅铲(对应线程的栈空间、上下文)。招聘一个厨师成本很高,要给工资、买设备、安排工位,所以后厨一般就养十几个厨师,再多就养不起了(内存开销大)。