SliceGradKernel的need_pad_num == 0判断有问题，直接跳过导致没有分配合适的空间，删去该判断逻辑后运行就正常了。

 [cherry-pick][Dy2Stat]supplet several interface of static Variable to consistent with dygraph Tensor (#33330) #34401 

As the title

[cherry-pick][Dy2Stat]supplet several interface of static Variable to consistent with dygraph Tensor (#33330)

[Dy2Stat]Support non-tensor type in input_spec

* fix DataLoader memory leak. test=develop

* fix unittest abort. test=develop

* enable test_dataloader_dataset & skip GPU tensor break. test=develop

* fix the order of unfold parameters (#34156)

* fix the order of unfold parameters

* fix the order of unfold parameters (#34156)

* fix the order of unfold parameters

* fix unfold

* Update paddle_build.bat to remove op grad when build windows inference lib (#33800)

1. check status of remove op grad shell scripts
2. Update paddle_build.bat to remove op grad when build windows inference lib
3. add inference demo test after build finish

* Update paddle_build.sh for remove op grad when compile c++ inference lib (#33798)

* fix zip inference library bug (#34025)
Co-authored-by: Zhou Wei <1183042833@qq.com>

Add more information to tensor.grad warning message.

* support Nest sequtial container

* rename model path

* update readme test=document_fix

* update while loop docs test=document_fix

修复《jit.save在Mac系统上保存的模型，在Linux平台上无法对模型进行重训练》的问题。

原始PR： #34027

* Save all the information of 'ParamBase' in 'Layer'. (#33500)

* Save all the information of 'ParamBase' in 'Layer'.

* edit unittest

* delete the function of saving layer object. (#33697)

* delete the function of saving layer object.

* edit doc of paddle.save/load and polish error message

* update xpu cmake for kunlun (#33328)

* xpu support amp (#33809)

* fix bug DLTP-31078 (#33877)

* update xpu cmake (#33906)

* [xpu] add dropout & amp ops in xpu place (#33891)
Co-authored-by: NTTerror <tangzhiyi11@users.noreply.github.com>

[Cherry-pick] Up cxx11 check to cxx14 #34034

[oneDNN] Fix to #33282 , added support of X input broadcasting to oneDNN elementwise ops (#33549) (#33845)

* - fix to #33282

* - Increased threshold for elementwise_mul_bf16 grad

* -disabled faulty UT

* - fix to approval

* del python2 code

* cherry-pick 33556

Bug fixes， [Cherry-pick][Dy2Stat] Fix unique_name in create_static_variable_gast_node (#33963)

将关于approve相关的修改cherry-pick到2.1分支

cherry-pick #33818

[Dy2Stat] Support Python3 type hint (#33745)

fix bug when the cuda kernel config exceeds dims max

cherry-pick Specify gast version in requirements.txt

解决windows cmd和powershell显示乱码的问题