Re: [OMPI users] ScaLapack and BLACS on Leopard

2008-03-07 Thread Terry Dontje
he code stack in dbx looks the same on X64 platforms as the code on SPARC except the address is smaller on the former. Greg, I would be interested in knowing if you are still seeing the problem on Leopard and whether the above setting helps any. --td * *Subject:* Re: [OMPI users] ScaLapack and

Re: [OMPI users] ScaLapack and BLACS on Leopard

2008-03-06 Thread Gregory John Orris
All, I really didn't want to start a new thread discussing the virtues and vices of every compiler, since this is hardly my forte and the opportunity to offend someone is fairly high, whilst making myself look clownish What I should have said was that "for my organization one cannot ju

Re: [OMPI users] ScaLapack and BLACS on Leopard

2008-03-06 Thread Terry Frankcombe
> Intel ifort is 7.7x faster then Linux g95 on MacPro 3.0 GHz > Intel ifort is 2.9x faster then Linux g95 on Dual Opteron 1.4 GHz > Intel ifort is 1.8x faster then Linux g95 on SGI Altix 350 dual > Itanium2 1.4 GHz > OS X g95 is 2.7x faster then Linux g95 on a MacPro 2.66 GHz (same > hardwa

Re: [OMPI users] ScaLapack and BLACS on Leopard

2008-03-06 Thread Michael
On Mar 6, 2008, at 12:49 PM, Doug Reeder wrote: Greg, I would disagree with your statement that the available fortran options can't pass a cost-benefit analysis. I have found that for scientific programming (e.g., Livermore Fortran Kernels and actual PDE solvers) that code produced by the

Re: [OMPI users] ScaLapack and BLACS on Leopard

2008-03-06 Thread Doug Reeder
. Note, I have not confirmed this failure with a test case but the code stack in dbx looks the same on X64 platforms as the code on SPARC except the address is smaller on the former. Greg, I would be interested in knowing if you are still seeing the problem on Leopard and whether the above setting

Re: [OMPI users] ScaLapack and BLACS on Leopard

2008-03-06 Thread Gregory John Orris
we haven't seen this fail in user codes. Note, I have not confirmed this failure with a test case but the code stack in dbx looks the same on X64 platforms as the code on SPARC except the address is smaller on the former. Greg, I would be interested in knowing if you are still seeing the pr

Re: [OMPI users] ScaLapack and BLACS on Leopard

2008-03-06 Thread Terry Dontje
e on SPARC except the address is smaller on the former. Greg, I would be interested in knowing if you are still seeing the problem on Leopard and whether the above setting helps any. --td * *Subject:* Re: [OMPI users] ScaLapack and BLACS on Leopard *From:* Terry Dontje (/Terry.Dontje_at_[h

Re: [OMPI users] ScaLapack and BLACS on Leopard

2008-03-03 Thread Terry Dontje
What kind of system lib errors are you seeing and do you have a stack trace? Note, I was trying something similar with Solaris and 64-bit on a SPARC machine and was seeing segv's inside the MPI Library due to a pointer being passed through an integer (thus dropping the upper 32 bits). Funny t