* [DOC] update compile doc, test=develop, test=document_fix

* fix conv3x3 group. test=develop
* remove useless. test=develop
* optimize 3x3 group

* add v8 4x8 implment. test=devvelop

* fix run error

* change sgemm compute. test=develop

* fix format. test=develop

[XPU] Disable the unit test of subgraph temporarily for XTCL, and refine the file name of unit tests of XPU (#4240)

* add conv+conv fusion requirment

* fix compute error
* fix format. test=develop

* fix format. test=develop

* fix according comments. test=develop

* add compile options and supported models, test=develop, test=document_fix

* add readme 2.0, test=develop, test=document_fix

[CI][LITE][BM]Add the implementation of CI for BM1682 and add the demo for BM1682. test=develop (#4217)

* [CI][LITE][BM]Add the implementation of CI for BM1682 and add the demo for BM1682. test=develop

* [KERNEL][OPENCL] support opencl concat 3inputs, 4inputs of cases; enable conv3x3 with group; fix buffer opencl concat; clean and clear cmake of opencl kernels. test=develop

* fix save interfaces of flatbuffers, test=develop

* fix the header file, test=develop

* fix doc p2 issues, test=develop, test=document_fix

* fix doc issue, test=develop

* [LITE][XPU] fuse q/k/v in multi_encoder

* test=develop, test=xpu

* test=develop, test=xpu

* [CI][LITE][BM]Add the implementation of BM1682'C

[LITE][XPU] 1. Add CloneFrom() method in SSAGraph for recovery from failed pattern match; 2. Fix BindKernel in xpu fusion passes; (#4156)

* [LITE][XPU] 1. Add CloneFrom() method in SSAGraph for recovery from failed pattern match; 2. Fix BindKernel in xpu fusion passes;

* test=develop, test=xpu

* fix deconv+act compute error. test=develop

* fix format test=develop

* new class: StringView, test=develop

* add comments, test=develop

* fix pooling bug and speed

* fix build error

* delete VLOGin pool, test=develop

* add openmp, test=develop

* fix lite/kernels/arm/pool_compute_test basic_pooling compute error bug, test=develop

* update pooling 2-pad to 4-pad, test=develop

* fix 2-pad to 4-pad in operators/pool_op.h, AttachKernel will set param, so 2-pad to 4-pad funcs should put in AttachKernel. test=ddevellop

* put 2-pad to 4-pad in AttachImpl, test=develop

* according to reviews, fix some format error. test=develop

* fix format errorr, add (). test=develop

* change paddings type to support dynamically modify, test=develop

* update padding type int other devices, test=develop

* fix x8d build error on shared_ptr, test=ddevelop

* fix formmat in operators pool_op.cc, test=develop

* fix conflict

* fix conv_dw

* add relu

* fix build

* fix build

* fix compute

* fix compute error

* fix conv3x3 compute error

* fix conv3x3s2

* fix conv3x3s2  kl

* fix format, test=develop

* add some op infershape implement, test=develop

* add reshape infershape, test=develop

* fix format， test=develop

* fix format, test=develop

* fix space format. test=develop

* add conv_transpose+bn fusion. test=develop

* delete note, test=develop

* fix format, test=develop

* fix format space, test=develop

* fix opt run error, test=develop

* add boxcoder opencl kernel, test=develop

* fix format, test=develop

* add cmake, test=develop

* fix format. test=develop

* fix format. test=develop

* fix format aa. test=develop

* fix , test=develop

* update profile info(add new element), test=develop

* fix clang ut build error

* add gemm+relu6

* fix build error

* fix .h

* fix gemm_s8

* fix ut conv+leakyRelu

* improve 3x3s1 direct profile

* fix format, test=develop

* add gemv+relu6/lleakyRelu

* fix v7 build bug

* fix relu6 bug

* fix gemm ut bug

* fix ut

* fix ut

* fi format. test=develop

* fix format. test=develop

* fic format. test=develop

* ff. test=develop

* fix v7 clang build error, test=develop

* fix v7 build register error, test=develop

* fix format.  test=develop

* add 2x2s2p1 pooling. test=develop

* fix conflict, test=develop

* fix test=develop

* fix conflict, test=develop

* rm other info, test=develop

* rm other info, test=develop

* fix build register error, ttest=develop

* fix format, test=develop

* ff format,test=develop

* fix relu6 problem, test=develop

* fix form, test=develop

* fix format, test=develop

* ff, test=develop

* add deformable conv op

* add six / scale , test=develop

* fix 1x1 deformable conv

* add convparam to deformabelconv param.

* fix other conv kernel size

* delete printf info

* fix format, test=develop

* fix formatt. test=develop

* delete exttra info, test=develop

* test=develop

* ff, test=develop

* fix ut error. test=develop

* fix ut, test=develop

* fix format. test=develop

* test=develop

* fix pooling overflow, test=develop

* fix conflict test=develop

* delete unuseful message. test=develop

* add grouup_norm

* fix format. test=develop

* fix foormat, test=develop

* fix format. test=develop

* fix ff.test=develoop

* fix xiaodu crash. test=develop

* format. test=develop

* fix concatt axis < 0 errorr,ttest=develop

* fix format. test=develop

* fix conv int8 kernel choose and sooftmax compute bug

* change axis_size = 4 kernel choose, test=develop

* fix format. test=develop

* uupdate sequence_pool and sequence_conv profiler, test=develop

* uupdate sequence_pool and sequence_conv profiler, test=develop

* fix format, testt=develop

* fix format, test=develop

* fix format test=develop

* fix compute error. test=develop

* dd

* fix compute error

* fix compute error, test=develop

* delete warning and extra info, test=develop

* update sequence_conv profile

* delete extra file, test=develop

* delete extra file test=develop

* fix format test=develop

* d

* delete test=develop

* test=develop

* add elu act

* update build

* fix elu act not find error, test=develop

* fix format.test=develop

* test=develop

* add sequence_pool_grad op on arm

* test=develop

* fix build error

* fix int8 model opt error iin conv+conv fusion, test=develop

* fix format. test=develop

* fiix build error, test=develop

* fix format, test=develop

* fix build,test=develop

* test=develop

* fix arm winograd compute segment. test=develop

* fix ttfnet bug. test=develop

* fix format. test=develop

* fix format. test=develop

* fix compute error

* fix format, test=develop

* fix 3x3s2p0 max compute error when input_padding is not equal. test=develop

* fix format test=develop

* fix format test=develop

* fix compute error. test=develop

* test=develop

* test=develop

* fix compute. test=develop

* add coonv+conv fusion requirment. test=develop

* test=develop

* fix format. test=develop

* refresh coonv+conv. test=develop

* [OPENCL] Add hard sigmoid opencl kernel. test=develop

* optimize hard sigmoid. test=develop

* [OPENCL] if specify addr , do not need to modify. avoid mem copy

* test=develop

* input_vars of flatbuffers impl, test=develop

* add comments in build.sh, test=develop