* split precision profiler from performance profiler. test=develop

* add conv_transpose+bn fusion. test=develop

* delete note, test=develop

* fix format space, test=develop

* fix opt run error, test=develop

* [LITE][OPENCL] Add ImageFree for Free in memory. test=develop

* add initialize for cl_use_image2d_ when use buffer. test=develop

test=develop

* [LITE][OPENCL] enhance elemul, fix reshape for opencl. test=develop

* comment loop test for pad2 opencl kernel. test=develop

* [LITE][PROFILE] add sequnce statics for precision profiler. test=develop

* [LITE][OPENCL] clean code for opencl. test=develop

* [LITE][PROFILER] Enhance Precision Profiler. test=develop

* delete useless var in profiler. test=develop

* add ocl header. test=develop

* Fix OpenCL kernel of exp, tanh,

* Fix layout pass for opencl backend,

* Add how to debug cl kernel. test=develop.

This reverts commit 670fcc3c.

- 增加cuda c++ demo.
- 考虑到检测模型尾部一般是multiclass_nms，该kernel为host，如果fetch kernel为cuda的话，则会在此处插入无用的io_copy(host->cuda)，由于该原因，注释掉fetch的cuda kernel. 默认使用host的fetch kernel. 此处暗中进行的行为：每次predictor run完，都会默认把数据从cuda拷贝到cpu

* feature: buffer sharing, test=develop

* fix the warning of buffer.h, test=develop

* test cuda only if necessary, test=develop

* [NPU] subgraph's precision register to kAny

* get the precision from the real tensor or tensor_array of base_scope in arena/framwork

* register assign and assign_value to kAny

* [MLU] support resnet50 on MLU

* [MLU] support resnet50 on MLU

* fix: fix nlp ops input and output type
* fix: add elementwise x_dims>y_dims case

* Fix memory_resuse for opencl. test=develop

* remove useless code. test=develop

* test=devellop

* add cl file into resulted lib test=develop

* test=develop

* test=develop

* [LITE][OPENCL] Support video-sr feature using OpenCL FP16 Image. test=develop

* optimize image2d_to_buffer_with_post255. test=develop

* add def debug in cl kernel. test=develop

* remove conv image code in conv buffer. test=develop