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想询问下,Gem5是如何用顺序执行的软件来实现硬件的并行的呢?
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谢邀。
首先说明两个概念:
我们在使用 gem5 这种模拟器的时候,通常关心的是 Simulated performance,即 gem5 运行完成后,产生的 stats 数据中的 tick 值,而并不关心这个模拟过程我们的电脑上实际花了多久。
gem5 是一个基于离散事件的模拟器,每个事件都会在某个 tick 值被执行,同一个 tick 值的事件,在被模拟的程序看来,就是同时执行的。当然实际上在 gem5 中,他们是一条一条执行的,但这并不影响正确性,也不影响 Simulated performance。
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想询问下,Gem5是如何用顺序执行的软件来实现硬件的并行的呢?
The text was updated successfully, but these errors were encountered: