* add apt update before add architecture

* the more

* add space

* update readme: metion yolact, retinaface, etc

* update doc: add c/cpp/python for code region

* Add yolov4 example option.
Add yolov4-tiny for benchmark.

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* online pipeline cache wip

* device-wide pipeline cache

* enable model-wide pipeline cache

* drop pre-created shader modules

* always use pipeline cache

* use implicit model-wide pipeline cache, code format

* code clean

* tf2sb

* wip

* wip

* concat maxpool avgpool

* StridedSlice

* handle stridedslice mask

* convert mlir deconvolution

* convert deconvolution output shape

* convert tanh

* code format

* added avx versions of commonly used layers

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* Unroll loops and increase test coverage

* Restyled/pull 1897 (#13)

* Restyle

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* cleanup variable declaration

* fix ctest

* Restyled/pull 1897 (#14)

Restyle
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* Fix ctest for convolutions without AVX.

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* added fp16 weight storage version

* Small changes

* Fixed fp16 weight storage layers

* fix innerproduct

* fix loop error

* Fix windows build.

Disable fp 16 conversion when detecting int8 weights.

Implement requested changes.

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* Update option.cpp

Set fp16 storage based on vulkan being used or not.

* added ability for storing state in lstm layer

* added avx lstm

* added arm lstm

* fix innerproduct activation location and add 4 parallel channel version

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* revert arm file

* commit before switch

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* More x86 optimized implementations of common layers.

Added LSTM layers for arm and x86 + a ctest to verify the layer accuracy

Added fp16 innerproduct for arm

* fix non avx build

* Add fp16 arm compiler and cpu checks. Remove statefullness from LSTM implementation.

* Fix build check for fp16 arm

* Bypass lstm_fp16 if not supported

* Build order was incorrect

* fix std::min missing in windows build

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* attempting to fix gnu build by enabling: -mfp16-format=ieee to fix the missing __fp16 type

* remove double "fix"

* Specify ieee fp16 format

* implement requested changes

* fix arm non-fp16 build

* fix arm lstm

* Restyled/pull 1881 (#15)

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* Check blob size on arm lstm

* fix styling

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* Fix winograd 3x3 avx and extend test converage

* fix ctest on non-avx path

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* remove unused broadcasts

* Comment with #if 0

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* Support yolov4-tiny conversion.
Add darknet2ncnn readme.
Add yolov4 example.

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* added fp16 weight storage version

* Small changes

* Fixed fp16 weight storage layers

* fix innerproduct

* fix loop error

* Fix windows build.

Disable fp 16 conversion when detecting int8 weights.

Implement requested changes.

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* Restyled by astyle

* Restyled by clang-format

* Restyled by astyle

* Update option.cpp

Set fp16 storage based on vulkan being used or not.

* fix innerproduct activation location and add 4 parallel channel version

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* revert arm file

* implement requested changes

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* Update allocator.h

fix windows build

* Update allocator.h

fix vs2019 build

* Added 3x3 pack8 winograd implementation

* working winograd 3x3 and direct 2x2

* Remove typo

* remove debug print

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* fix non avx build

* Added flatten and reshape avx implementations

* attempt to fix ios sim build

* Fix build

* Revert include removal

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* added avx implementations of FC and Max pool

* Specify AVX2

* Small fixes and using Fused avx activations

* fix type casting

* fixing some CI errors

* Fix code format

* fix pooling test

* remove vector typedef

* More compile fixes

* remove vector typedef

* set c++ version to 17

* Force c++ 17

* Fixing mathfun

* Try and workaround typedef issues

* typefix

* Remove typedef

* switch to static inline

* attempting to fix msvc bug

* Verified MSVX FIX

* Fixing clang build

* commit before switch

* More avx and packing implementation

* Fix ctest

* starting the depthwise pack 8 implementation

* Unrolled loop

* add depthwise pack 8 implementations

* Working 1x1 pack 8 implementation added

* revert incorrect changes

* added conact elempack 8

* more elempack enabled layers added and started on the conversion of the winograd pack4 conv 3x3

* Added code formatting

* fix styling

* Unroll loops

* unrolling loops

* Added more elempac layers for mobilenet v3

* revert commit

* fix code style

* remove arm neon references

* remove pack4 references

* More cleanup

* added packing avx code

* fixing linux build ctests

* remove usage of aligned loads

* More aligned mem ops removed

* Cleanup, revert some files and remove not working winograd and shufflechannel implementation

* add stackoverflow referal

* Fix windows build

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* implement requested chaanges

* remove reshape

* revert arm file change

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* fix unterminated directive

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