Commit 741a26865c0ebadb7d27b1d33ced2dd55a4cc07f
1 parent
91a330bc1a
Exists in
master
CPU Measurement # 2 loop overhead
Showing 1 changed file with 2 additions and 2 deletions Side-by-side Diff
cpu/loop_overhead_time.c
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741a268
| ... | ... | @@ -11,9 +11,9 @@ |
| 11 | 11 | asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (time1)); |
| 12 | 12 | for (i = 0; i < 1000; i++); |
| 13 | 13 | asm volatile("mrc p15, 0, %0, c9, c13, 0" : "=r" (time2)); |
| 14 | - sum++; | |
| 15 | - avg += (time2 - time1 - 5); | |
| 14 | + avg = (time2 - time1 - 5); | |
| 16 | 15 | printf("Loop overhead: %u\n", avg/(1000)); |
| 16 | + sum++; | |
| 17 | 17 | } |
| 18 | 18 | } |