* 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>

* 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

* conv_fusion

* Dataloader add custom device support

* update test=document_fix

* Fix for ernie3.0 int8

* Move changes above comment

* 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

* 2nd part of transpose update

* add switch_auto_tune option.

* add some changes according to Ci

* refine the structure of auto_tune_base.

* merge develop changes

* reset the switch_set_range and change unittest of transpose auto-tune

* change the kernel auto-tune logits

* move standard apis to api.yaml

* revert erfinv

* delete dot_op.h

* fix dot

* rerun ci

* fused_gate_attention manual code in eager

* refine

* refine

* refine

* refine

* refine

* refine

* Add new attr of fused_multi_transformer

* fix format

* add note

* add in layer

* fixfixfixfix

* add relu6 kernel and yaml

* format files

* format code and fix bug

* fix build failed

* move cross form legacy_api.yaml to api.yaml

* move diagonal to api.yaml

* boost::variant -> paddle::variant

* boost::variant.apply_visit -> paddle::visit

* Update pybind_boost_hraders.h

* Fix CINN compilation errors

* Revert FetchResultType

* move apis from legacy_api.yaml to api.yaml

* remove comment

* revert argsort

* fix merge conflict

* [CustomDevice]add custom place supports

* sync format

* perfect copy

* deal with conflict

* deal with conflict

* fix compile bugs

* fix unittest bugs

* change code format

* deal with conflict

* modify code by review

* fix ce bugs

* fix ce bugs

* add lo

* perfect code format

* deal with conflicts