1 2 #include "petsc.h" 3 4 #undef __FUNCT__ 5 #define __FUNCT__ "main" 6 int main(int argc,char **argv) 7 { 8 PetscLogDouble x,y; 9 int e1,ierr; 10 PetscTruth flg; 11 12 PetscInitialize(&argc,&argv,0,0); 13 PetscLogEventRegister(&e1,"*DummyEvent",0); 14 /* To take care of the paging effects */ 15 ierr = PetscGetTime(&x);CHKERRQ(ierr); 16 ierr = PetscLogEventBegin(e1,&x,0,0,0);CHKERRQ(ierr); 17 ierr = PetscLogEventEnd(e1,&x,0,0,0);CHKERRQ(ierr); 18 19 ierr = PetscGetTime(&x);CHKERRQ(ierr); 20 /* 10 Occurences of the dummy event */ 21 ierr = PetscLogEventBegin(e1,&x,0,0,0);CHKERRQ(ierr); 22 ierr = PetscLogEventEnd(e1,&x,0,0,0);CHKERRQ(ierr); 23 ierr = PetscLogEventBegin(e1,&x,&y,0,0);CHKERRQ(ierr); 24 ierr = PetscLogEventEnd(e1,&x,&y,0,0);CHKERRQ(ierr); 25 ierr = PetscLogEventBegin(e1,&y,0,0,0);CHKERRQ(ierr); 26 ierr = PetscLogEventEnd(e1,&y,0,0,0);CHKERRQ(ierr); 27 ierr = PetscLogEventBegin(e1,&x,0,0,0);CHKERRQ(ierr); 28 ierr = PetscLogEventEnd(e1,&x,0,0,0);CHKERRQ(ierr); 29 ierr = PetscLogEventBegin(e1,&x,&y,0,0);CHKERRQ(ierr); 30 ierr = PetscLogEventEnd(e1,&x,&y,0,0);CHKERRQ(ierr); 31 ierr = PetscLogEventBegin(e1,&y,0,0,0);CHKERRQ(ierr); 32 ierr = PetscLogEventEnd(e1,&y,0,0,0);CHKERRQ(ierr); 33 ierr = PetscLogEventBegin(e1,&x,0,0,0);CHKERRQ(ierr); 34 ierr = PetscLogEventEnd(e1,&x,0,0,0);CHKERRQ(ierr); 35 ierr = PetscLogEventBegin(e1,&x,&y,0,0);CHKERRQ(ierr); 36 ierr = PetscLogEventEnd(e1,&x,&y,0,0);CHKERRQ(ierr); 37 ierr = PetscLogEventBegin(e1,&y,0,0,0);CHKERRQ(ierr); 38 ierr = PetscLogEventEnd(e1,&y,0,0,0);CHKERRQ(ierr); 39 ierr = PetscLogEventBegin(e1,&x,&e1,0,0);CHKERRQ(ierr); 40 ierr = PetscLogEventEnd(e1,&x,&e1,0,0);CHKERRQ(ierr); 41 42 ierr = PetscGetTime(&y);CHKERRQ(ierr); 43 fprintf(stderr,"%-15s : %e sec, with options : ","PetscLogEvent",(y-x)/10.0); 44 45 if(PetscOptionsHasName(PETSC_NULL,"-log",&flg),flg) fprintf(stderr,"-log "); 46 if(PetscOptionsHasName(PETSC_NULL,"-log_all",&flg),flg) fprintf(stderr,"-log_all "); 47 if(PetscOptionsHasName(PETSC_NULL,"-log_summary",&flg),flg) fprintf(stderr,"-log_summary "); 48 if(PetscOptionsHasName(PETSC_NULL,"-log_mpe",&flg),flg) fprintf(stderr,"-log_mpe "); 49 50 fprintf(stderr,"\n"); 51 52 ierr = PetscFinalize();CHKERRQ(ierr); 53 PetscFunctionReturn(0); 54 } 55