1.update CPUContext to probe CPU info 2.improve the performance of SlidingwindowConv3x3s1 and SlidingwindowConv3x3s2 (#1655)

* develop nearestinterp op  fix bug in element add close #1647

* remove log
remove log

* fix memcpy size in opencl fetch kernel

* add opencl Scale op

* optimize GPU conv performance and structure

* add CL macro for test_conv_gpu

* fix build failure

* change funtion name

* change funtion name

* fix load_when_predict mode in opencl

* remove dafault opencl kernel path

* optimize GPU conv performance and structure

* add CL macro for test_conv_gpu

* fix build failure

* change funtion name

* change funtion name

* fix load_when_predict mode in opencl

* update concat and split kernel and related files in FPGA v2(v3) track

* update

* update

* update kernel and related files in FPGA v2 track

* update

* update

* update kernel and related files for static quantization in FPGA v2 track

* update

* update feed and fetch kernel in FPGA v2 track

* optimize GPU conv performance and structure

* add CL macro for test_conv_gpu

* fix build failure

* change funtion name

* change funtion name

* optimize GPU conv performance and structure

* add CL macro for test_conv_gpu

* fix build failure

* format CMakeLists

* BugFix: lacking of header file of memset, strlen, stable_sort, n_copy

* Update ARM Linux CPU, GPU build docs for rk3399

* update concat and split kernel and related files in FPGA v2(v3) track

* update

* update

* update kernel and related files in FPGA v2 track

* update

* update

* Fix memory leak if tensor was created outside of global scope

* Fix gemv bugs

* FPGA refactor

* disable FPGAKD

* recover misdeleted code segment

Clear no persistable tensor array before predicting, fix crash when predicting with gpu debugging mode (#1548)

* Clear no persistable tensor array before predicting, fix crash when predicting with gpu debugging mode

* Fix code style