o3-timing.py

来自「M5,一个功能强大的多处理器系统模拟器.很多针对处理器架构,性能的研究都使用它作」· Python 代码 · 共 24 行

import m5
from m5.objects import *
m5.AddToPath('../configs/common')

class MyCache(BaseCache):
    assoc = 2
    block_size = 64
    latency = '1ns'
    mshrs = 10
    tgts_per_mshr = 5

cpu = DerivO3CPU(cpu_id=0)
cpu.addTwoLevelCacheHierarchy(MyCache(size = '128kB'), MyCache(size = '256kB'),
                              MyCache(size = '2MB'))
cpu.clock = '2GHz'

system = System(cpu = cpu,
                physmem = PhysicalMemory(),
                membus = Bus())
system.physmem.port = system.membus.port
cpu.connectMemPorts(system.membus)

root = Root(system = system)