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OMAP-l138 适用MCSDK 算法移植后 算法执行速度下降

硬件平台: omapL138

软件: 基于mcsdk   Arm: linux3_3    DSP: bios_6

问题描述:

原来音频算法在linux2.6 + bios5 +dsplink 的方式, 运行正常

当将算法移植到linux3.3 + bios6 + syslink 后, 简单的降噪算法都执行的很慢, 降噪算法在执行时还有个奇怪的现象,

就是如果这次执行了200us,那下次执行就会到7ms

代码本身应该是没有问题的, 因为之前是ok的