xref: /petsc/src/benchmarks/PetscVecNorm.c (revision 8563dfcc547dae59d5e1dc6b8e602db41cb72b14)
14fcfa849SBarry Smith 
2c6db04a5SJed Brown #include <petscvec.h>
3*8563dfccSBarry Smith #include <petsctime.h>
44fcfa849SBarry Smith 
54a2ae208SSatish Balay #undef __FUNCT__
64a2ae208SSatish Balay #define __FUNCT__ "main"
74fcfa849SBarry Smith int main(int argc,char **argv)
84fcfa849SBarry Smith {
9832676f5SBarry Smith   Vec            x;
105fb5fb77SSatish Balay   PetscReal      norm;
11b0a32e0cSBarry Smith   PetscLogDouble t1,t2;
12f1af5d2fSBarry Smith   int            ierr,n = 10000;
134fcfa849SBarry Smith 
144fcfa849SBarry Smith   PetscInitialize(&argc,&argv,0,0);
150298fd71SBarry Smith   ierr = PetscOptionsGetInt(NULL,"-n",&n,NULL);CHKERRQ(ierr);
164fcfa849SBarry Smith 
175d25a148Spetsc   ierr = VecCreate(PETSC_COMM_SELF,&x);CHKERRQ(ierr);
185d25a148Spetsc   ierr = VecSetSizes(x,n,n);CHKERRQ(ierr);
195d25a148Spetsc   ierr = VecSetFromOptions(x);CHKERRQ(ierr);
20832676f5SBarry Smith 
21204a6943SJed Brown   PetscPreLoadBegin(PETSC_TRUE,"VecNorm");
22*8563dfccSBarry Smith   ierr = PetscTime(&t1);CHKERRQ(ierr);
23ac355199SBarry Smith   ierr = VecNorm(x,NORM_2,&norm);CHKERRQ(ierr);
24ac355199SBarry Smith   ierr = VecNorm(x,NORM_2,&norm);CHKERRQ(ierr);
25ac355199SBarry Smith   ierr = VecNorm(x,NORM_2,&norm);CHKERRQ(ierr);
26ac355199SBarry Smith   ierr = VecNorm(x,NORM_2,&norm);CHKERRQ(ierr);
27ac355199SBarry Smith   ierr = VecNorm(x,NORM_2,&norm);CHKERRQ(ierr);
28ac355199SBarry Smith   ierr = VecNorm(x,NORM_2,&norm);CHKERRQ(ierr);
29ac355199SBarry Smith   ierr = VecNorm(x,NORM_2,&norm);CHKERRQ(ierr);
30ac355199SBarry Smith   ierr = VecNorm(x,NORM_2,&norm);CHKERRQ(ierr);
31ac355199SBarry Smith   ierr = VecNorm(x,NORM_2,&norm);CHKERRQ(ierr);
32ac355199SBarry Smith   ierr = VecNorm(x,NORM_2,&norm);CHKERRQ(ierr);
33204a6943SJed Brown   PetscPreLoadEnd();
34*8563dfccSBarry Smith   ierr = PetscTime(&t2);CHKERRQ(ierr);
355d25a148Spetsc 
364fcfa849SBarry Smith 
375fb5fb77SSatish Balay   fprintf(stdout,"%s : \n","VecNorm");
38b4d8b9abSSatish Balay   fprintf(stdout," Time %g\n",t2-t1);
394fcfa849SBarry Smith 
40f3fe499bSBarry Smith   ierr = PetscFinalize();
413a40ed3dSBarry Smith   PetscFunctionReturn(0);
424fcfa849SBarry Smith }
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