1*4a2ae208SSatish Balay /*$Id: PetscMemcmp.c,v 1.17 2001/01/23 20:58:37 balay Exp balay $*/ 2d8e9fea7SSatish Balay 3b0878937SSatish Balay #include "petsc.h" 4b0878937SSatish Balay 5*4a2ae208SSatish Balay #undef __FUNCT__ 6*4a2ae208SSatish Balay #define __FUNCT__ "main" 7b0878937SSatish Balay int main(int argc,char **argv) 8b0878937SSatish Balay { 9b0a32e0cSBarry Smith PetscLogDouble x,y,z; 107fb9f68cSSatish Balay Scalar A[10000],B[10000]; 11d3093643SSatish Balay int i,ierr; 12b0878937SSatish Balay 1377c4ece6SBarry Smith PetscInitialize(&argc,&argv,0,0); 14b0878937SSatish Balay 15b0878937SSatish Balay for (i=0; i<10000; i++) { 16b0878937SSatish Balay A[i] = i%61897; 17b0878937SSatish Balay B[i] = i%61897; 18b0878937SSatish Balay } 19b0878937SSatish Balay /* To take care of paging effects */ 207fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 21ac355199SBarry Smith ierr = PetscGetTime(&x);CHKERRQ(ierr); 22b0878937SSatish Balay 23ac355199SBarry Smith ierr = PetscGetTime(&x);CHKERRQ(ierr); 247fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 257fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 267fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 277fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 287fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 297fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 307fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 317fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 327fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 337fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 34ac355199SBarry Smith ierr = PetscGetTime(&y);CHKERRQ(ierr); 357fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 367fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 377fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 387fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 397fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 407fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 417fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 427fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 437fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 447fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 45ac355199SBarry Smith ierr = PetscGetTime(&z);CHKERRQ(ierr); 46b0878937SSatish Balay 4735d8aa7fSBarry Smith fprintf(stdout,"%s : \n","PetscMemcmp"); 4835d8aa7fSBarry Smith fprintf(stdout," %-11s : %e sec\n","Latency",(z-y)/10.0); 4935d8aa7fSBarry Smith fprintf(stdout," %-11s : %e sec\n","Per Scalar",(2*y-x-z)/100000); 50b0878937SSatish Balay 512b7fea2aSSatish Balay ierr = PetscFinalize();CHKERRQ(ierr); 523a40ed3dSBarry Smith PetscFunctionReturn(0); 53b0878937SSatish Balay } 54