ctest188.c 1.9 KB

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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <sys/time.h>
  4. void kernel_cpu(int *A0,int *A1,float *B0,float *B1,float *B2,float *B3,float *B4,float *B5,float *B6,int N){
  5. for(int i=0;i<N;i++){
  6. A0[i] = A1[i]*A1[i]+A1[i];
  7. B0[i] = B6[i]/B6[i]*B6[i]*B6[i];
  8. B1[i] = B6[i]+B5[i];
  9. B2[i] = B4[i]-B4[i];
  10. B3[i] = B5[i]+B6[i];
  11. }
  12. }
  13. int main(int argc,char **argv) {
  14. int size=835581;
  15. int intBytes = size*sizeof(int);
  16. int floatBytes = size*sizeof(float);
  17. int *A0;
  18. A0 = (int *)malloc(intBytes);
  19. int *A1;
  20. A1 = (int *)malloc(intBytes);
  21. float *B0;
  22. B0 = (float *)malloc(floatBytes);
  23. float *B1;
  24. B1 = (float *)malloc(floatBytes);
  25. float *B2;
  26. B2 = (float *)malloc(floatBytes);
  27. float *B3;
  28. B3 = (float *)malloc(floatBytes);
  29. float *B4;
  30. B4 = (float *)malloc(floatBytes);
  31. float *B5;
  32. B5 = (float *)malloc(floatBytes);
  33. float *B6;
  34. B6 = (float *)malloc(floatBytes);
  35. for(int i=0;i<835581;i++){
  36. A0[i] = 17+i+1;
  37. A1[i] = 52*i+1;
  38. B0[i] = 90.2562619174+i+1;
  39. B1[i] = 91.6481881579*i+1;
  40. B2[i] = 70.6621735353*i+1;
  41. B3[i] = 46.3707343897+i+1;
  42. B4[i] = 95.664054132+i+1;
  43. B5[i] = 39.7308530686*i+1;
  44. B6[i] = 15.335752095+i+1;
  45. }
  46. struct timeval time0,time1;
  47. gettimeofday(&time0,NULL);
  48. FILE *file_for_block_of_interest = fopen("./profile_in_block.txt","w");
  49. if(file_for_block_of_interest) {
  50. char Buf[2] = "1";
  51. fwrite(Buf, 1, 1, file_for_block_of_interest);
  52. fclose(file_for_block_of_interest);}
  53. kernel_cpu(A0,A1,B0,B1,B2,B3,B4,B5,B6,835581);
  54. file_for_block_of_interest = fopen("./profile_in_block.txt","w");
  55. if(file_for_block_of_interest) {
  56. char Buf[2] = "0";
  57. fwrite(Buf, 1, 1, file_for_block_of_interest);
  58. fclose(file_for_block_of_interest);}
  59. gettimeofday(&time1,NULL);
  60. double totaltime10 = (time1.tv_sec*1000000.0 + time1.tv_usec) - (time0.tv_sec*1000000.0 + time0.tv_usec);
  61. fprintf(stderr, "CPU time: %lf msecs ", (totaltime10)/1000.0F);
  62. free(A0);
  63. free(A1);
  64. free(B0);
  65. free(B1);
  66. free(B2);
  67. free(B3);
  68. free(B4);
  69. free(B5);
  70. free(B6);
  71. printf("\n");return 0; }