* 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

* Restyled by clang-format

* Restyled by astyle

* Restyled by clang-format

* Restyled by astyle

* implement requested chaanges

* remove reshape

* revert arm file change

* Restyled by clang-format

* Restyled by astyle

* Restyled by clang-format

* Restyled by astyle

* fix unterminated directive

Co-authored-by: Restyled.io <commits@restyled.io>

* add the armv7a conv3x3s1 implement without overflow,remove old codes

* fix the bug of conv3x3s2 packed int8

* new int8 implement,weight quant by perchanel,better accuracy~

* fix the bug of conv3x3s1 packed int8 neon

* add the naive c fp32 and int8 winograd F(2,3)

* add the neon intrinsic int8 winograd F(2,3)

* optimize the armv7a int8 winograd F(2,3) with neon assembly

* optimize the armv7a int8 winograd F(2,3) input transform with assembly.

* add the requantize layer and int8 relu implement.

* add graph optimize conv1x1s2 -> conv1x1s1,begin optimize int8 aarch64.

* fix int8 bugs

* add the c naive im2col with sgemm

* add aarch64 int8 winograd f23, conv3x3s2 naive implement

* add the int8 sgemm conv7x7s2 on x86/armv7a platform

* optimize the int8 sgemm by neon intrinsic and packed kernel

* optimize the int8 sgemm with packed data

* optimize the int8 sgemm with armv7a neon assembly

* add the int8 sgemm on arm64-v8a platform

* perpare to merge latest codes from master

* add the int8 param files

* In the Class Net,add the fuse_network method

* fix windows build error

* remove wrong commit

* print benchmark information for every layer, especially for CONVOLUTION

* print benchmark information for every layer, especially for CONVOLUTION, for cross-platform.

* move the function implementation to cpp file to avoid multiple definitions