They are particularly useful during development before real silicon exists, and they can also yield more insight into performance bottlenecks than can be gleaned from hardware performance counters.

• 在拥有实际芯片之前的开发过程中,这些仿真器特别有用。与硬件性能计数器收集到的信息相比,仿真器让开发人员可以更深入地洞悉性能瓶颈。