add core binding for prefetch thread, this is hard coded as 67 for knight landing 7250. For gnererality, I suggest use: psutil.cpu_count(logical=False) and get the end idx of CPU to act as data thread
add core binding for prefetch thread, this is hard coded as 67 for knight landing 7250.
For gnererality, I suggest use: psutil.cpu_count(logical=False) and get the end idx of
CPU to act as data thread

Signed-off-by: YAO Matrix <4f2f5096877db473be5be541cbdfd0a6eed685a2@126.com>

yao-matrix/py-R-FCN-MKL,yao-matrix/py-R-FCN-MKL,yao-matrix/py-R-FCN-MKL,yao-matrix/py-R-FCN-MKL,yao-matrix/py-R-FCN-MKL