Yea, I'm working with Soymayaroop on it....

I'll make sure whatever patches are made get in the tree...

On Thu, Aug 20, 2009 at 4:06 PM, nathan binkert <[email protected]> wrote:

> Korey,
>
> Will you take responsibility for integrating Soymayaroop's Changes?
>
> Thanks,
>
>  Nate
>
> On Thu, Aug 20, 2009 at 12:49 PM, soumyaroop roy<[email protected]> wrote:
> > Hello everybody,
> >
> > I was able to zero in on a couple of places in 'thread_state.hh' of the
> > inorder code where the thread id was hardcoded with a '0'. The following
> > changes makes the 01.hello.2t.smt work correctly in inorder now.
> >
> > diff --git a/src/cpu/inorder/thread_state.hh
> > b/src/cpu/inorder/thread_state.hh
> > --- a/src/cpu/inorder/thread_state.hh
> > +++ b/src/cpu/inorder/thread_state.hh
> > @@ -69,7 +69,7 @@
> >
> >      InOrderThreadState(InOrderCPU *_cpu, ThreadID _thread_num,
> >                         Process *_process)
> > -        : ThreadState(reinterpret_cast<BaseCPU*>(_cpu),
> 0/*_thread_num*/,
> > +        : ThreadState(reinterpret_cast<BaseCPU*>(_cpu), _thread_num,
> >                        _process),
> >            cpu(_cpu), inSyscall(0), trapPending(0)
> >      { }
> > @@ -83,7 +83,7 @@
> >      /** Returns a pointer to the TC of this thread. */
> >      ThreadContext *getTC() { return tc; }
> >
> > -  int readTid() { return 0; }
> > +  int readTid() { return threadId(); }
> >
> >      /** Pointer to the last graduated instruction in the thread */
> >      //DynInstPtr lastGradInst;
> >
> > Although, corresponding to the second change above in O3 (named
> threadId()
> > instead of readTid()) returns thread->threadId(). Can someone tell me
> which
> > one is the right way of doing it? I could email a patch subsequently.
> >
> > regards,
> > Soumyaroop.
> >
> > On 8/19/09, Korey Sewell <[email protected]> wrote:
> >>>
> >>> Could you give me any pointers to debug this?
> >>
> >> Sure ... Thanks for your interest...
> >>
> >> I think the problem is that right now the model is hardcoded for 1
> thread
> >> in some places. The resources for the model are specified in
> >> "pipeline_traits.cc" and then I believe workloads are registered
> somewhere
> >> in "cpu.cc" and/or "*_cpu_builder.cc".
> >>
> >> To debug, I would be more interested in what's happening on cycle 0. Are
> >> the workloads even getting setup correctly? There may be another flag
> that
> >> you can turn on (Process?) ... Compare the output you are getting w/out
> SMT
> >> in inorder and w/SMT for inorder. Do you see the workload getting setup
> in
> >> one of those? If not, I would add my own DPRINTF debug messages to the
> >> aforementioned files.
> >>
> >> Once you've verified the workloads are being loaded, then the next
> >> question is why aren't the threads being fetched from? Check
> >> "first_stage.cc" in that case... I would guess the threads arent being
> added
> >> to the activeThreads list correctly maybe.
> >>
> >> If you are willing to help debug and commit changes, we'd more than
> >> appreciate it. Personally, I've got my hands full with getting around to
> O3
> >> SMT stuff but help would be much appreciated on inorder. I'm going to
> dig up
> >> and send you some of the hardcoded SMT stuff I have for inorder to help
> you
> >> along the way as well...
> >>
> >>
> >>
> >> --
> >> - Korey
> >>
> >> _______________________________________________
> >> m5-dev mailing list
> >> [email protected]
> >> http://m5sim.org/mailman/listinfo/m5-dev
> >>
> >
> >
> >
> > --
> > Soumyaroop Roy
> > Ph.D. Candidate
> > Department of Computer Science and Engineering
> > University of South Florida, Tampa
> > http://www.csee.usf.edu/~sroy <http://www.csee.usf.edu/%7Esroy>
> > _______________________________________________
> > m5-dev mailing list
> > [email protected]
> > http://m5sim.org/mailman/listinfo/m5-dev
> >
> >
> _______________________________________________
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-- 
- Korey
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