If that is the case, then can you justify slide 118 with your comment? On 9/19/11, Tao Zhang <[email protected]> wrote: > Hi Mahmood, > > From my point of view, tick is the time unit that can be treated as 1ps. For > example, if one sets the clock frequency as "1GHz". The tick increases by > every thousand. Of course, GEM5 may not execute one instruction in every > clock cycle (CPI not equal to 1). So one instruction can stall and consumes > thousands of ticks... > > -Tao > > -----Original Message----- > From: [email protected] [mailto:[email protected]] On > Behalf Of Mahmood Naderan > Sent: Monday, September 19, 2011 11:02 AM > To: gem5 users mailing list > Subject: Re: [gem5-users] is tick == cycle ? > > But from page 29, we can conclude > 1 cycle = n picoseconds = n tick > > Is that true? > > On 9/19/11, Steve Reinhardt <[email protected]> wrote: >> Page 118 of the tutorial is talking about the "tick()" method of the >> CPU, which is called every CPU cycle. As described on page 29 of the >> tutorial, and in the email you reference, the "tick" unit that >> measures global time is not related to the clock cycle. These are not >> directly related, i.e., the >> tick() method is not called on every tick. In retrospect I suppose >> the naming is suboptimal. >> >> Steve >> >> On Mon, Sep 19, 2011 at 5:01 AM, Mahmood Naderan >> <[email protected]>wrote: >> >>> Hi, >>> From page 118 of the tutorial, it seems that tick() is equal to cycle. >>> In another word, every tick(0) is considered as a cycle 0. However >>> from what is stated at >>> http://www.mail-archive.com/[email protected]/msg05247.html, they >>> differ in concept. Any exaplain about that is appreciated. >>> >>> -- >>> // Naderan *Mahmood; >>> _______________________________________________ >>> gem5-users mailing list >>> [email protected] >>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >>> >> > > > -- > -- > // Naderan *Mahmood; > _______________________________________________ > 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 >
-- -- // Naderan *Mahmood; _______________________________________________ gem5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
