- mkdir build
- cd build
- cmake ../
- make
//利用各种方法优化盒子滤波
测试平台nvidia jetson agx，armv8.2a，1.2GHZ, 使用单核。
图像分辨率为：6000*4000 ，半径 3， 循环次数为 1。 优化等级 -O0 不优化，cache数据使用 valgrind工具集中的 cachegrind得到的。
| 函数 | 时间 ms | I refs | D refs | D1 misses | D1 miss rate |
|---|---|---|---|---|---|
| naive_boxFilter | 517 | 31,309,575,754 | 15,998,052,693 | 22,293,979 | 0.1% |
| boxFilterOpenCVTrick | 208 | 11,186,366,287 | 5,372,793,923 | 25,293,980 | 0.5% |
| boxFilterOpencvTrick2 | 57 | 5,188,540,004 | 2,133,961,806 | 61,298,472 | 2.9% |
| boxFilterOpencvTrick3 | 38 | 5,620,261,030 | 2,349,810,341 | 19,302,531 | 0.8% |
| boxFilterArmNeon | 31 | 4,372,847,981 | 1,834,094,831 | 19,310,543 | 1.1% |
| boxFilterArmNeon_assem | 23 | 4,031,386,423 | 1,540,555,287 | 19,320,842 | 1.3% |
| convolutiondepthwise_naive | 42 | 5,342,628,255 | 2,528,651,127 | 14,801,973 | 0.6% |
| ConvolutionDepthwise_neon | 80 | 5,390,588,274 | 3,092,181,255 | 14,801,984 | 0.5% |
| ConvolutionDepthwise_assem | 7 | 3,071,376,215 | 988,675,454 | 14,839,204 | 1.5% |