Hello, The atomic model tries to executes one instruction per cycle, so CPI is "fixed" as 1, specially because the memory accesses are instantaneous. You can use the SE mode to estimate your stats, with the timing, inorder or O3 models. SE doesn't imply the atomic model.
Hope it helps, Fernando -- Fernando A. Endo, PhD student and researcher Université de Grenoble, UJF France 2013/4/29 Newton Singh <[email protected]> > Hi, > > I am a new user to gem5 > I want to run queens benchmark on gem5 ALPHA architecture. > I want to find our IPC, data/instruction cache miss for the benchmark. > > I want to know if IPC can be found in SE mode as i read in 1 post that IPC > can be found only in FS mode i.e. > detail mode. > > "If you are using one of the detailed models there is a CPI statistic > already calculated for you. If you're using the simple models, CPI is > always 1" > Does this mean that SE mode cant be used to find CPI. > > Can anybody guide me the steps to be followed. > > Thanks in advance. > > -- > Thanks > Newton > MTech, IIT Bombay > > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >
_______________________________________________ gem5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
