1*87828ca2SBarry Smith /*$Id: PetscMemcmp.c,v 1.18 2001/03/23 23:25:45 balay Exp bsmith $*/ 2d8e9fea7SSatish Balay 3b0878937SSatish Balay #include "petsc.h" 4b0878937SSatish Balay 54a2ae208SSatish Balay #undef __FUNCT__ 64a2ae208SSatish 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 */ 20*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*0); 21ac355199SBarry Smith ierr = PetscGetTime(&x);CHKERRQ(ierr); 22b0878937SSatish Balay 23ac355199SBarry Smith ierr = PetscGetTime(&x);CHKERRQ(ierr); 24*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*10000); 25*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*10000); 26*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*10000); 27*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*10000); 28*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*10000); 29*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*10000); 30*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*10000); 31*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*10000); 32*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*10000); 33*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*10000); 34ac355199SBarry Smith ierr = PetscGetTime(&y);CHKERRQ(ierr); 35*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*0); 36*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*0); 37*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*0); 38*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*0); 39*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*0); 40*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*0); 41*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*0); 42*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*0); 43*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*0); 44*87828ca2SBarry Smith PetscMemcmp(A,B,sizeof(PetscScalar)*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