Hello,
I’m using a MatNest with some blocks made of matrices created with
MatCreateHermitianTranspose. I end up with the following trace when doing a
simple MatMult.
Should this be fixed in matnest.c, matrix.c or htransm.c?
Thanks,
Pierre
(lldb) down
frame #11: 0x000000011ad06830
libpetsc.3.010.dylib`MatMult_Nest(A=0x00007fcc2eb50260, x=0x00007fcc2f019460,
y=0x00007fcc2f01ca60) at matnest.c:52
49 for (j=0; j<nc; j++) {
50 if (!bA->m[i][j]) continue;
51 /* y[i] <- y[i] + A[i][j] * x[j] */
-> 52 ierr = MatMultAdd(bA->m[i][j],bx[j],by[i],by[i]);CHKERRQ(ierr);
53 }
54 }
55 for (i=0; i<nr; i++) {ierr =
VecRestoreSubVector(y,bA->isglobal.row[i],&by[i]);CHKERRQ(ierr);}
(lldb)
frame #10: 0x000000011a9d6399
libpetsc.3.010.dylib`MatMultAdd(mat=0x00007fcc2ebfde60, v1=0x00007fcc2f029c60,
v2=0x00007fcc2f024660, v3=0x00007fcc2f024660) at matrix.c:2517
2514 if (!mat->ops->multadd)
SETERRQ1(PetscObjectComm((PetscObject)mat),PETSC_ERR_SUP,"No MatMultAdd() for
matrix type '%s'",((PetscObject)mat)->type_name);
2515 ierr = PetscLogEventBegin(MAT_MultAdd,mat,v1,v2,v3);CHKERRQ(ierr);
2516 ierr = VecLockPush(v1);CHKERRQ(ierr);
-> 2517 ierr = (*mat->ops->multadd)(mat,v1,v2,v3);CHKERRQ(ierr);
2518 ierr = VecLockPop(v1);CHKERRQ(ierr);
2519 ierr = PetscLogEventEnd(MAT_MultAdd,mat,v1,v2,v3);CHKERRQ(ierr);
2520 ierr = PetscObjectStateIncrease((PetscObject)v3);CHKERRQ(ierr);
(lldb)
frame #9: 0x000000011ad136d0
libpetsc.3.010.dylib`MatMultAdd_HT(N=0x00007fcc2ebfde60, v1=0x00007fcc2f029c60,
v2=0x00007fcc2f024660, v3=0x00007fcc2f024660) at htransm.c:24
21 PetscErrorCode ierr;
22
23 PetscFunctionBegin;
-> 24 ierr = MatMultHermitianTransposeAdd(Na->A,v1,v2,v3);CHKERRQ(ierr);
25 PetscFunctionReturn(0);
26 }
27
(lldb)
frame #8: 0x000000011a9d88e5
libpetsc.3.010.dylib`MatMultHermitianTransposeAdd(mat=0x00007fcc2e977260,
v1=0x00007fcc2f029c60, v2=0x00007fcc2f024660, v3=0x00007fcc2f024660) at
matrix.c:2629
2626 ierr = MatMultTranspose(mat,w,z);CHKERRQ(ierr);
2627 ierr = VecDestroy(&w);CHKERRQ(ierr);
2628 ierr = VecConjugate(z);CHKERRQ(ierr);
-> 2629 ierr = VecWAXPY(v3,1.0,v2,z);CHKERRQ(ierr);
2630 ierr = VecDestroy(&z);CHKERRQ(ierr);
2631 }
2632 ierr = VecLockPop(v1);CHKERRQ(ierr);
(lldb)
frame #7: 0x000000011a8f33b5
libpetsc.3.010.dylib`VecWAXPY(w=0x00007fcc2f024660, alpha=1,
x=0x00007fcc2f024660, y=0x00007fcc2f039260) at rvector.c:795
792 VecCheckSameSize(x,3,y,4);
793 VecCheckSameSize(x,3,w,1);
794 if (w == y) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Result vector w
cannot be same as input vector y, suggest VecAXPY()");
-> 795 if (w == x) SETERRQ(PETSC_COMM_SELF,PETSC_ERR_SUP,"Result vector w
cannot be same as input vector x, suggest VecAYPX()");
796 PetscValidLogicalCollectiveScalar(y,alpha,2);
797
798 ierr = PetscLogEventBegin(VEC_WAXPY,x,y,w,0);CHKERRQ(ierr);
