This problem occurs when the MS user sends an attachment to an email which has rich text formatting.
Format the email in plain text, attach, and try again. S On Feb 2, 2009, at 5:30 AM, Barry Smith wrote: > > There may be some option (well hidden) in outlook web access that > lets you deselect winmail.dat but it is using it by default. > > Barry > > On Feb 2, 2009, at 3:59 AM, Billy Ara?jo wrote: > >> >> I didn't send winmail.dat. >> >> Maybe because was sent from outlook web access, I don't know... :) >> >> Billy. >> >> >> -----Original Message----- >> From: petsc-users-bounces at mcs.anl.gov on behalf of Barry Smith >> Sent: Sun 2/1/2009 11:24 PM >> To: PETSc users list >> Subject: Re: Performance degradation after upgrade to 3.0.0 >> >> >> winmail.dat? Come on, be serious, we'd like to help you but not >> all of us are chained to Bill Gates nightstand. >> >> Barry >> >> On Feb 1, 2009, at 3:01 PM, Billy Ara?jo wrote: >> >>> Hi, >>> >>> Here are the files that contain all the information below. You can >>> see that the matrices are the same, unless I am missing something >>> here. :) >>> >>> (I am resending them in compressed format). >>> >>> Regards, >>> >>> Billy. >>> >>> >>> -----Original Message----- >>> From: petsc-users-bounces at mcs.anl.gov on behalf of Matthew Knepley >>> Sent: Sun 2/1/2009 6:07 PM >>> To: PETSc users list >>> Subject: Re: Performance degradation after upgrade to 3.0.0 >>> >>> In order to determine what is happening you first should: >>> >>> 1) Confirm that the solver setup is identical using -ksp_view for >>> both versions >>> >>> 2) Determine that the matrices are identical. Output both matrices >>> using >>> MatView() with a PetscBinaryViewer. You can diff the files, and >>> you can also >>> solver both matrices using KSP ex10. >>> >>> 3) Look at the residuals using -ksp_monitor. If they are different, >>> something >>> else has changed. >>> >>> Matt >>> >>> On Sun, Feb 1, 2009 at 6:32 AM, Billy Ara?jo <billy at dem.uminho.pt> >>> wrote: >>>> >>>> Hi, >>>> >>>> I have also verified that there has been a degradation of >>>> performance using >>>> the new 3.0 version: >>>> >>>> This is my function calling PETSc: >>>> >>>> KSP ksp; >>>> PC pc; >>>> >>>> KSPCreate (PETSC_COMM_WORLD, &ksp); >>>> >>>> KSPSetOperators (ksp, *A, *A, DIFFERENT_NONZERO_PATTERN); >>>> >>>> KSPSetType (ksp, KSPFGMRES); >>>> >>>> KSPGetPC (ksp, &pc); >>>> >>>> PCSetType (pc, PrecondProc); >>>> >>>> KSPSetInitialGuessNonzero (ksp, PETSC_TRUE); >>>> >>>> KSPSetTolerances (ksp, 1E-50, maxtol, PETSC_DEFAULT, maxiter); >>>> >>>> KSPSetFromOptions (ksp); >>>> >>>> KSPSolve (ksp, *b, *x); >>>> >>>> KSPGetIterationNumber (ksp, iter); >>>> >>>> KSPGetResidualNorm (ksp, res); >>>> >>>> KSPDestroy (ksp); >>>> >>>> >>>> with previous version 2.3.3-p6: >>>> >>>> Number of iterations: 42 Residual: +7.073781E-13 Time: >>>> +8.615024E-03 >>>> >>>> now: >>>> >>>> Number of iterations: 500 Residual: +2.746161E-05 Time: >>>> +1.026870E-01 >>>> >>>> It is reaching maximum number of iterations. The only thing I >>>> changed was: >>>> >>>> MatSetOption (*A, MAT_SYMMETRIC); >>>> to >>>> MatSetOption (*A, MAT_SYMMETRIC, PETSC_TRUE); >>>> >>>> I think I didn't change anything else. >>>> >>>> >>>> Regards, >>>> >>>> Billy. >>>> >>> >>> >>> >>> -- >>> What most experimenters take for granted before they begin their >>> experiments is infinitely more interesting than any results to which >>> their experiments lead. >>> -- Norbert Wiener >>> >>> >>> <winmail.dat> >> >> >> <winmail.dat> >
