* add conv+conv(1x1s1p0) fusion

* fix build and run error

* fix formmat. test=develop

* fix typo

* [LITE][XPU] accomodate crmm(variant 20200608)

* refine lite/tests/api/test_mmdnn_lite_xpu.cc

* more comments, test=develop test=xpu

* bugfix in crmm pattern match

* pr comments, test=develop test=xpu

* add XPU_CALL and retval check, test=develop test=xpu

* update desc interfaces, test=develop

* update desc interfaces, test=develop

* update compatible_pb.cc, test=develop

* fix build errors, test=develop

* remove the fstream to shrink the size of library, test=develop

* [LITE][XPU] accomodate resnet_cbam

* [LITE][XPU] accomodate content-dnn

* fix pr comments test=develop

* fix pr comments test=develop

* fix pr comments test=develop test=xpu

* fix compilation error, test=develop test=xpu

* [X86] Fix the unit test of slice op
test=develop test=xpu
Co-authored-by: Nhong19860320 <9973393+hong19860320@users.noreply.github.com>

* [NPU] enhance cache offline model, test=develop

* align opdesc interfaces, test=develop

* align opdesc interfaces, test=develop

* Update quantization, scale save in op attrs by  <inputname_index, scale_value>, test=develop
Co-authored-by: Nhong19860320 <9973393+hong19860320@users.noreply.github.com>

* refactor register mechanism, current so size: 1.20MB. test=develop

* fix KernelRegistry::Global().Create. test=develop

* fix cpplint errors. test=develop

* fix test_subgraph_pass bug. test=develop

* register kernel with target,precision,datalayout combination. test=develop

* fix test_paddle_api no op found bug. test=develop

* enhance comment

* fix lite/kernels/arm/elementwise_compute_test.cc. test=develop

* fix code style

* revert format of unchanged files. test=develop

* fix code format according to cpplint 1.5.1. test=develop

* remove redundant include header. test=develop

* add op affine_grid. test=develop

* fix concatt axis < 0 errorr,ttest=develop

* fix format. test=develop

* [LITE][PASS] Add pass for removing uesless reshape2 / squeeze2. test=develop

* [LITE][PROFILER] Fix unit test segfault when profiler on. test=develop

[LITE][OPENCL] Add local work size, global work size for opencl profiler; fix bug for variable inference pass. test=develop (#3741)

* [LITE][PROFILE] Fix summary info for profiler. test=develop

* reduce .so size. test=develop

* compile all targets when LITE_ON_TINY_PUBLISH=OFF

* unordered_map is more convenient when key is customized class

* test=develop

* reconstruct op_registry. test=develop

* remove function GetKernelOffset. test=develop

* add calltime/gops for summary. test=develop

* fix act case for kunk. test=develop

* [LITE][PROFILE] Enhance ARM CPU profiler with real backend kernel. test=develop

[LITE][OPENCL] Enhance Profiler for OpenCL with in/out/filter shape, macs/macs_ps, real backend kernel etc. (#3641)

* [LITE][OPENCL] Enhance Precision Profiler for OpenCL. test=develop