1d8e9fea7SSatish Balay #ifndef lint 2*77c4ece6SBarry Smith static char vcid[] = "$Id: PetscMemcmp.c,v 1.4 1996/03/08 23:31:01 balay Exp bsmith $"; 3d8e9fea7SSatish Balay #endif 4d8e9fea7SSatish Balay 5b0878937SSatish Balay #include "stdio.h" 6b0878937SSatish Balay #include "petsc.h" 7b0878937SSatish Balay 8b0878937SSatish Balay int main( int argc, char **argv) 9b0878937SSatish Balay { 10b0878937SSatish Balay double x, y,z; 117fb9f68cSSatish Balay Scalar A[10000], B[10000]; 127fb9f68cSSatish Balay int i; 13b0878937SSatish Balay 14*77c4ece6SBarry Smith PetscInitialize(&argc, &argv,0,0); 15b0878937SSatish Balay 16b0878937SSatish Balay for (i=0; i<10000; i++) { 17b0878937SSatish Balay A[i] = i%61897; 18b0878937SSatish Balay B[i] = i%61897; 19b0878937SSatish Balay } 20b0878937SSatish Balay /* To take care of paging effects */ 217fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 22b0878937SSatish Balay x = PetscGetTime(); 23b0878937SSatish Balay 24b0878937SSatish Balay x = PetscGetTime(); 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); 347fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*10000); 35b0878937SSatish Balay y = PetscGetTime(); 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); 457fb9f68cSSatish Balay PetscMemcmp(A,B,sizeof(Scalar)*0); 46b0878937SSatish Balay z = PetscGetTime(); 47b0878937SSatish Balay 48b0878937SSatish Balay fprintf(stderr,"%s : \n","PetscMemcmp"); 49b0878937SSatish Balay fprintf(stderr," %-11s : %e sec\n","Latency",(z-y)/10.0); 507fb9f68cSSatish Balay fprintf(stderr," %-11s : %e sec\n","Per Scalar",(2*y-x-z)/100000); 51b0878937SSatish Balay 52b0878937SSatish Balay PetscFinalize(); 53b0878937SSatish Balay return 0; 54b0878937SSatish Balay } 55