Co-authored-by: 佰阅 <43716063+Baiyuetribe@users.noreply.github.com>

* skip dynamic tensor index

* handle clone oom

* only supports hann, hamming and all-one window
* inverse spectrogram does not support length parameter
* spectrogram always returns torch.view_as_real(out) as ncnn does not support complex typed mat yet
* inverse spectrogram always accepts torch.view_as_complex(in) as ncnn does not support complex typed mat yet

* x86 vulkan fallback
* comment about bf16s

* quantize gemm

* write gemm quantize scales

* update doc

* less openmp args

* x86 riscv fallback

* skip gemm vulkan int8

* fix noint8 test, fix arm bf16 test

* enable vfpv4 on neon build only

* fix gemm vulkan without C

* fp16 pack8 output

* enable elempack=8 only for asimdhp+

* tiled gemm int8 test

* opt arm64 tiles, fix asimdhp dispatch

* update swiftshader

* skip vs2017 swiftshader

* pnnx support grid_sample op

* complete the permute and gridsample operator fusion

* spilt calculation into two stages and support permute fusion

* mha is now permute and reshape free
* gemm user defined tile mnk param

* fix doc, sync x86 gemm fix

Co-authored-by: EdVince <EdVince@users.noreply.github.com>
Co-authored-by: nihuini <nihuini@tencent.com>

Co-authored-by: LRY89757 <LRY89757@users.noreply.github.com>
Co-authored-by: nihuini <nihuini@tencent.com>
Co-authored-by: nihui <shuizhuyuanluo@126.com>

* Add DeformableConv2D
* add unittest and docs
* pnnx torchvision deformconv2d conversion

Co-authored-by: miemie2013 <miemie2013@users.noreply.github.com>
Co-authored-by: nihui <shuizhuyuanluo@126.com>

* fix sigmoid returns nan with very large input

Co-authored-by: ElvisYu <elvisyuovo@gmail.com>
Co-authored-by: 余浩文 <m18107220188@163.com>
Co-authored-by: Zr2223 <67497651+Zr2223@users.noreply.github.com>

change weight type

* implement convolution1d and pooling1d

* add conv1d pool1d test

* fuse convolution1d activation

* update operator doc

* fix vulkan adpative pooling

Co-authored-by: wq.chu <wq.chu@tianrang-inc.com>