* quantize and dequantize tests
* unify activation and usability function
* drop NCNN_REQUANT cmake option, test dequantize requantize pack8, fix webassembly build
* benchmark use requantize int8 model
* runtime cpu dispatch
* force thread one
* disable openmp for coverage
* simplify test layer
* print NCNN_TARGET_ARCH
* less ci build variants
* weight fp16 storage option
* test convdw int8
* apple a12 a13
* ncnn_add_layer ncnn_add_shader cmake macro
* use Mat class for Shape description
* shape specialization constant in compute shader
* wip
* wip
* test forward_inplace, add binaryop unaryop sigmoid test
* fix arm unaryop test
* fix arm binaryop test
* make shape hint optional, cast int8 to fp32, add cast test
* wip
* follow the good and old local size setting for conv1x1
* the optimal local size rewrite
* fix build on msvc
* add permute shader for all packing layout, add permute test
* concat and slice patial shape constant, slice test
* fix slice test
* interp test
* add lrn test, test packing layout implicitly
* add eltwise test
* add normalize test
* add instancenorm test
* reorg shape constant
* simple local group size partition
* add shape constant param
* cpu test
* wip
* ci run test
* travis ci for arm64
* arm64 ctest
* copy vulkan loader
* wip
* run
* Update ccpp.yml
* gpu test
* swiftshader
* cache macos swiftshader
* try MoltenVK
* try vulkaninfo
* give swiftshader another try
* disable failed macos gpu test
* more conv test, fix conv3x3s1 gpu test fail
* fix deconvolution test
* dilation test
* cmake option to build tests
* ncnn_add_layer_test macro
* host barrier before upload and after download, handle packing layout option
* test packing layout
* wip
* wip
* merge deconvolution packing and non-packing code
* merge convolution packing and non-packing code
* pass top_blob_count param
* fix build
* take care of non-coherent mappable memory
nihui