* Add ce test for ptq

* Fix warning

* Add unittest

* update quant docs

* Update quantization_api.rst

* add dygraph ptq and refine dygraph qat

* add unit test for ptq

* update according to comments

* Fix skipping leaves option
* Add unitests

* fix imagenet reader, test=develop

* update unstructuredPruner accordingly

* fix_docs_nas

* fix_again

* fix_again_
Co-authored-by: Nceci3 <ceci3@users.noreply.github.com>

* fix superbn

* update_check_ss

* update_check_ss

* update_check_ss

* ss_multi_output

* remove_some_comments

* Merge branch 'develop' of https://github.com/PaddlePaddle/PaddleSlim into update_check_ss

* merge_conflicts

* add_coverage

* new_export_func

* add_test

* remove_kernel_prune

* add_test_&_update_clear_ss

* fix cifar10 dataloader and model loading, test=develop

* update readme

* update readme

Co-authored-by: Nceci3 <ceci3@users.noreply.github.com>

* fix

* link demo to paddlenlp

* fix key_error in pruner

* add unit test for get_ratios_by_loss

* add distill dirs

* fix unittest

* prune the optimizer in dygraph mode

* set opt when initializing pruner

* tests passed locally

* update Chinese docs and tutorials

* refine docs style

* avoid ambiguation in docs