On Nov 27, 2007 11:52 PM, <[EMAIL PROTECTED]> wrote: > Hello, > > I have run a client-server program, use the sample fs.py > (2GHZ atomic cpu with 512MB memory)and have the following > questions about the simulation statistics. > > 1) eth0: 1000F mbps > what does the 'F' stand for? full duplex? Can I think it > means the bandwidth between client and server is 1000mbps? > However, in m5stats.txt, > drivesys.tsunami.ethernet.rxBandwidth=19(bits/s) > drivesys.tsunami.ethernet.totBandwidth=34(bits/s) > testsys.tsunami.ethernet.rxBandwidth=15(bits/s) > testsys.tsunami.ethernet.totBandwidth=34(bits/s) > Does anybody explain the above numbers?
It's a gigabit link, you're just not using it much. > > 2) drivesys.cpu.not_idle_fraction=0.000894 > drivesys.cpu.numCycles=544382753 > drivesys.cpu.num_insts=544372834 > > host_inst_rate=861547(inst/s) > host_seconds=1266.56 > host_tick_rate=240466519018(ticks/s) > sim_freq=1000000000000(ticks/s) > sim_insts=1091201381 > sim_seconds=304.565430 > sim_ticks=304565430390500 > > testsys.cpu0.not_idle_fraction=0.000898 > testsys.cpu0.numCycles=546839739 > testsys.cpu0.num_insts=546828547 > Why are both not_idle_fractions so low? about 0.089%? > What is the difference between host_tick_rate and sim_freq? > What is the difference between host_seconds and sim_second? > How to compute the time(seconds) used to execute > instructions on each system? I have tried host_inst_rate > to be divided by testsys.cpu0.num_insts. However, the > result is more than double sim_seconds. All of the "host_*" stats refer to the machine the simulator is running on; e.g., host_seconds is the wall-clock run time of the simulator. Those stats have nothing to do with the simulation itself. sim_seconds is the number of seconds simulated, as the comments in m5stats.txt indicate. Steve > > Xin > _______________________________________________ > m5-users mailing list > m5-users@m5sim.org > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > _______________________________________________ m5-users mailing list m5-users@m5sim.org http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
