Re: [Gems-users] problem with CMP and tester.exec

[Luke Yen <lyen@xxxxxxxxxxx>]

On Mon, 4 Feb 2008, Irene-Aggeliki Chounta wrote:

> oh, I see. Still, do you think I can use it through simics without major
> problems?
   Yes, by default we don't check data values when running with 
Simics, and we haven't experimentally run into any races with PUTX until 
now.
> and another thing, I tried to get some traces from MOSI_SMP_bcast and
> MESI_CMP_filter_directory while executing barnes,deque and other benchmarks
> but I get traces only from CPU 0, although I use g_NUM_PROCESSORS=16.
> Following the same methodology in gems 1.4 everything was fine. Do you have
> any ideas on this one?
   Can you elaborate on these traces?  How are they gathered, and what 
relevant config settings are you using?  Are these transactional memory 
runs?  Are the threads getting created and bound to processors without 
problems?
  Luke

> -
> irene.
> -------------------------------------------------------------------
>
> ......in accordance with the prophecy.
>
> ----- Original Message -----
> From: "Luke Yen" <lyen@xxxxxxxxxxx>
> To: "Gems Users" <gems-users@xxxxxxxxxxx>
> Sent: Monday, February 04, 2008 5:19 PM
> Subject: Re: [Gems-users] problem with CMP and tester.exec
>
>
> >    There are some missing u_writeDataToL1Cache actions in the
> > current MESI_CMP_filter_directory-L1cache.sm file.  They should be added
> > whenever the L1 receives data from the L2 or L1.  Here's a list of
> > transitions that need this action:
> >
> > transition(IS, L2_Data_all_Acks, S) {
> >     u_writeDataToL1Cache;
> >     ...
> >
> >  transition(IS_I, L2_Data_all_Acks, S) {
> >     u_writeDataToL1Cache;
> >    ...
> >
> >  transition({IS, IS_I}, L2_Data, IS_S) {
> >     u_writeDataToL1Cache;
> >     ...
> >
> > transition({IS, IS_I}, L2_Exclusive_Data, IS_E) {
> >     u_writeDataToL1Cache;
> >    ...
> >
> >   transition({IS, IS_I}, L2_Exclusive_Data_all_Acks, E){
> >     u_writeDataToL1Cache;
> >     ...
> >
> >   transition(IS, DataS_fromL1, S) {
> >     u_writeDataToL1Cache;
> >    ...
> >
> >  transition(IS_I, DataS_fromL1, S) {
> >     u_writeDataToL1Cache;
> >    ...
> >
> >   transition(IM, Data_all_Acks, M) {
> >     u_writeDataToL1Cache;
> >    ...
> >
> >  transition(IM, L2_Data, IM_M) {
> >     u_writeDataToL1Cache;
> >     ...
> >
> >   transition(IM, L2_Data_all_Acks, M){
> >     u_writeDataToL1Cache;
> >    ...
> >
> >    Even with these fixes, this protocol can still fail the tester due to
> > complex PUTX races that we are currently debugging & fixing.  The next
> > version of this protocol will be coming out with GEMS 2.1, once we get all
> > its features tested & debugged.
> >
> >    Luke
> >
> > On Mon, 4 Feb 2008, Irene-Aggeliki Chounta wrote:
> >
> > > hello all.
> > >
> > > I've recently upgraded to GEMS 2.0 and working on
> > > MESI_CMP_filter_directory. The making of ruby for this protocol is quite
> > > succesful but while running the tester.exec (./tester.exec -p 16 -l
> > > 10000), I get several warning and a fatal error:
> > >
> > > "Fatal Error: in fn void Check::performCallback(NodeID, SubBlock&) in
> > > tester/Check.C:208: Action/check failure"
> > >
> > > In rubyconfig.defautls I have used NUMBER_OF_VIRTUAL_NETWORK=5 and 6 but
> > > with no luck. I also tried to test the MESI_CMP_directory which also
> > > doesn't work and produces the same error.
> > >
> > > Do you have any idea of what's wrong?
> > >
> > > thank you.
> > >
> > >
> > >
> > > -------------------------------------------------------------------
> > > Irene.
> > > ......in accordance with the prophecy.
> > _______________________________________________
> > Gems-users mailing list
> > Gems-users@xxxxxxxxxxx
> > https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> > Use Google to search the GEMS Users mailing list by adding
> > "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.
> _______________________________________________
> Gems-users mailing list
> Gems-users@xxxxxxxxxxx
> https://lists.cs.wisc.edu/mailman/listinfo/gems-users
> Use Google to search the GEMS Users mailing list by adding "site:https://lists.cs.wisc.edu/archive/gems-users/"; to your search.