* feat(): dynamic_to_static support for ipu.

* fix(): format fix.

* fix format

* fix cpplint error

* use phi::errors

* fix format

* fix format

* fix(): add api to restore patched function.

* fix(): identity_loss uses cpu place as expected kernel type.

* doc(): add IPU dy2static related docs.

* fix(): combine test cases.

* fix format

* fix comment

* fix format

* apply comment

* fix compiling

* fix(): align docs.

* fix(): fix identity_loss function docs.

* fix(): adjust mean and sum in identity_loss.

* fix(): minor docs.

* move API to paddle.incubate.identity_loss

* fix UT
Co-authored-by: Nzhaorui chen <zhaoruic@graphcore.ai>

* fused_gate_attention manual code in eager

* fix deriv with inplace

* fix double grad bugs

* remove additional file

* fix compat dygraph mode

* fix yaml remove additional yaml

* fix slice double grad error and auto code gen logic error for higher order differentiate

* fix fix_higher_order_deriv

* remove additional include

* fix fix_higher_order_deriv

* fix for binary kernels

* fixed performance for elementwise, reduce and concat

* added comment

* CI fix

* CI fix

* added formatting

* reverted one file

* Revert "reverted one file"

This reverts commit 54725e1c62318d3a18913821200e973816751019.

* Revert "added formatting"

This reverts commit b9795dd253d755a329376d7ab0542860aa7815c6.

* added enforcing oneDNN BF16 reduce kernel

* fix for eltwise and reenabled reshape kernels

* fix for binary handler

* added formatting

* referted changes for flatten,squeeze and reshape ops

* Fc add any to input format

* Pre-commit changes

* support inpus is weight

* merge prepare_data and prepare_phi_data in static graph

* fix bug

* fix data transform bug

* fix bug

* fix unittest of cinn

* not run startup program in constructor of StandaloneExecutor

* clear interface of standalone executor

* clean debug code

* fused_gate_attention manual code in eager

* Menual fused_feedforward in eager

* fix test case

* conv_fusion

* Dataloader add custom device support

* update test=document_fix

* - blind shot fix

* - workaround

* - compilation fix

* - Hack

* Fix for ernie3.0 int8

* Move changes above comment

* Refactor quantization of immutable ops

* Fix code formatting

* Fix formatting

* Specify input names

* Fix formatting

* Change string to reference

* Formatting

* [Sparse] add SparseCsrTensor fused_attention kernel and API

* fix comment

* dataloader

* fix conv3d mapping bug

* fix conv3d_grad mapping

* fix vlog print problem in fleet

* fix log_patch.h code style

* fix init()

* delete test_device_context

* replace CPUDeviceContext with CPUContext

* fix test_scalar

* remove dot_op.cc

* fix compile

* unify cpu context

* fix init()

* delete test_device_context

* fix test_scalar