ctest1073.c 2.1 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,int *A2,int *A3,int *A4,int *A5,int *A6,float *B0,float *B1,float *B2,float *B3,float *B4,int N){
  5. for(int i=0;i<N;i++){
  6. A0[i] = A5[i]/A3[i]+A6[i];
  7. A1[i] = A6[i]/A3[i]/A3[i]*A3[i];
  8. A2[i] = A4[i];
  9. B0[i] = B4[i]/B4[i]+B4[i];
  10. B1[i] = B4[i]*B4[i];
  11. B2[i] = B4[i]-B4[i]/B4[i];
  12. B3[i] = B4[i]*B4[i]*B4[i];
  13. }
  14. }
  15. int main(int argc,char **argv) {
  16. int size=881347;
  17. int intBytes = size*sizeof(int);
  18. int floatBytes = size*sizeof(float);
  19. int *A0;
  20. A0 = (int *)malloc(intBytes);
  21. int *A1;
  22. A1 = (int *)malloc(intBytes);
  23. int *A2;
  24. A2 = (int *)malloc(intBytes);
  25. int *A3;
  26. A3 = (int *)malloc(intBytes);
  27. int *A4;
  28. A4 = (int *)malloc(intBytes);
  29. int *A5;
  30. A5 = (int *)malloc(intBytes);
  31. int *A6;
  32. A6 = (int *)malloc(intBytes);
  33. float *B0;
  34. B0 = (float *)malloc(floatBytes);
  35. float *B1;
  36. B1 = (float *)malloc(floatBytes);
  37. float *B2;
  38. B2 = (float *)malloc(floatBytes);
  39. float *B3;
  40. B3 = (float *)malloc(floatBytes);
  41. float *B4;
  42. B4 = (float *)malloc(floatBytes);
  43. for(int i=0;i<881347;i++){
  44. A0[i] = 21*i+1;
  45. A1[i] = 19+i+1;
  46. A2[i] = 44+i+1;
  47. A3[i] = 7+i+1;
  48. A4[i] = 71+i+1;
  49. A5[i] = 22*i+1;
  50. A6[i] = 67*i+1;
  51. B0[i] = 92.2537872397*i+1;
  52. B1[i] = 89.6891075964*i+1;
  53. B2[i] = 64.6576160156*i+1;
  54. B3[i] = 31.7447499341+i+1;
  55. B4[i] = 12.9132802509+i+1;
  56. }
  57. struct timeval time0,time1;
  58. gettimeofday(&time0,NULL);
  59. FILE *file_for_block_of_interest = fopen("./profile_in_block.txt","w");
  60. if(file_for_block_of_interest) {
  61. char Buf[2] = "1";
  62. fwrite(Buf, 1, 1, file_for_block_of_interest);
  63. fclose(file_for_block_of_interest);}
  64. kernel_cpu(A0,A1,A2,A3,A4,A5,A6,B0,B1,B2,B3,B4,881347);
  65. file_for_block_of_interest = fopen("./profile_in_block.txt","w");
  66. if(file_for_block_of_interest) {
  67. char Buf[2] = "0";
  68. fwrite(Buf, 1, 1, file_for_block_of_interest);
  69. fclose(file_for_block_of_interest);}
  70. gettimeofday(&time1,NULL);
  71. double totaltime10 = (time1.tv_sec*1000000.0 + time1.tv_usec) - (time0.tv_sec*1000000.0 + time0.tv_usec);
  72. fprintf(stderr, "CPU time: %lf msecs ", (totaltime10)/1000.0F);
  73. free(A0);
  74. free(A1);
  75. free(A2);
  76. free(A3);
  77. free(A4);
  78. free(A5);
  79. free(A6);
  80. free(B0);
  81. free(B1);
  82. free(B2);
  83. free(B3);
  84. free(B4);
  85. printf("\n");return 0; }