* set a53 use or no_use, test=develop

* fix xiaodu a53 crash . test=develop

* fix Mac OS build error. test=develop

* fix build error. test=develop

* [DOC] add model visualization, test=document_fix

* [DOC] add subgraph visualization, test=document_fix

* [DOC] fix image link, test=document_fix

* fix conv_conv fusion error in conv_dw+conv_1x1. test=develop

* test=develop

* fix format. test=develop

* fix compute error in no-equal-padding. test=develop

* fix conv_ut. test=develop

* test=develop

* fix format. test=develop

* fix pooling3x3s2 max. test=develop

* fix format. test=devleop

* fix format. test=develop

* remove paddle mobile old project.  never say good bye

* test=develop

* add device info for 865. test=develop

* [LITE][BM] support multiclass_nms2 and fix some issues, test=develop

* create

* [LITE][BM] fix input shape order changed issue,test=develop

* [Bugfix][OpenCL][Core] fix opencl multi-run result error when using memory_optimize_pass. test=develop

* Add test for int16 quantized model, test=develop

* [ASCEND] fix build for Ubuntu18.04 and GCC7.3, test=develop

* [ASCEND] address review comments, test=develop

* add clear_blocks interface for flatbuffers view, test=develop

* fix a bug, test=develop

* enhanced the error messages, test=develop

* add reduce op on arm. test=develop

* fix format. test=develop

* fix acccording to comments. test=develop

* fix bilinear_resize result not equal with fluid. test=develop

* fix cv build error. test=develop


* fix format. test=develop

* fix conv_3x3s1_dw v7-compute nan. test=develop

* fix compute. tets=develop

* set sgemm basic_test is false. test=develop

* [X86] add box_coder kernel and fix compile on MAC, test=develop

* [DOC] remove debug info, test=develop

* [X86] add new op of density_prior_box, test=develop

* add scatter op on arm. test=develop

* fix cmake error. test=develop

* test=develop