dm8148 开发记录六 dsp和arm 端 opencv测试时间

最新推荐文章于 2025-05-10 02:10:41 发布

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本文详细记录了在C6Accel平台下使用OpenCV进行函数性能测试的过程，包括Canny边缘检测、Affine变换、2D旋转矩阵等操作的比较，并特别关注了人脸识别任务的执行时间。尽管DSP和A8的表现不尽如人意，但提供了深入的性能分析。

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成功测试时间如下：

root@dm814x-evm:/opt/c6accel_app/c6accel_opencv_testapp# ls

c6accel_opencv_testapp         opencv_images
cmemk.ko                       syslink.ko
go.sh                          ti814x.xe674
loadmodules_ti8148_c6accel.sh
root@dm814x-evm:/opt/c6accel_app/c6accel_opencv_testapp# ./c6accel_opencv_testap
p
******************************************************************************
Sample application for testing kernels in C6Accel started.
******************************************************************************
-----------------------------------------------------------------------------
Test for OpenCV Functions in C6accel
-----------------------------------------------------------------------------
Called ARM cvCanny function 1 times (average time: 105.791000 ms)
Called DSP cvCanny function 1 times (average time: 70.645000 ms)
Difference (L2 norm) between ARM and DSP outputs: 0.000000
Test for Canny edge detection done
Called ARM get Affine transform matrix 1 times (average time: 12.956000 ms)
Called DSP get Affine transform matrix 1 times (average time: 0.608000 ms)
Difference (L2 norm) between ARM and DSP outputs: 0.000000
Called ARM Affine transform function 1 times (average time: 75.894000 ms)
Called DSP Affine transform function 1 times (average time: 59.631000 ms)
Difference (L2 norm) between ARM and DSP outputs: 7926.342031
Called ARM 2D Rotation Matrix function 1 times (average time: 0.263000 ms)
Called DSP 2D Rotation Matrix function 1 times (average time: 0.541000 ms)
Difference (L2 norm) between ARM and DSP outputs: 0.000000
Called ARM Rotation using Affine function 1 times (average time: 89.467000 ms)

Called DSP Rotation using Affine function 1 times (average time: 67.128000 ms)

........................

root@dm814x-evm:/opt/c6accel_app/c6accel_opencv_testapp# ./c6accel_opencv_testap
p
******************************************************************************
Sample application for testing kernels in C6Accel started.
******************************************************************************
-----------------------------------------------------------------------------
Test for OpenCV Functions in C6accel
-----------------------------------------------------------------------------
cvHaarDetectObjects Test (opencv_images/faces_320x240.png, opencv_images/haarcascade_frontalface_alt2.xml)
(Overhead time is 0.004000 ms.)
Memory for images,cascade and
Memory allocation for images and storage done
Reading of Cascade complete
top= 40027010
bottom= 40027010
Called ARM HaarDetectObjects function (time: 4097.659000 ms)
ARM sequence contains 5 elements:
   0:   46,   48 (42x42)
   1: 174,   48 (37x37)
   2: 240,   51 (38x38)
   3: 110,   48 (40x40)
   4:   92,   37 (131x131)
Memory allocation for images and storage done
Called DSP HaarDetectObjects function (time: 832.643000 ms)
DSP sequence contains 5 elements:
   0:   46,   48 (41x41)
   1: 175,   49 (35x35)
   2: 240,   52 (37x37)
   3:   17, 198 (34x34)
   4: 110,   48 (39x39)
C6accel_cvHaarDetectObjects test completed successfully
******************************************************************************
All tests done.
******************************************************************************