[npu] change device to accelerator api (#5239)

* update accelerator

* fix timer

* fix amp

* update

* fix

* update bug

* add error raise

* fix autocast

* fix set device

* remove doc accelerator

* update doc

* update doc

* update doc

* use nullcontext

* update cpu

* update null context

* change time limit for example

* udpate

* update

* update

* update

* [npu] polish accelerator code

---------

Co-authored-by: Xuanlei Zhao <xuanlei.zhao@gmail.com>
Co-authored-by: zxl <43881818+oahzxl@users.noreply.github.com>

.github/workflows/example_check_on_dispatch.yml

@@ -47,7 +47,7 @@ jobs:
     container:
       image: hpcaitech/pytorch-cuda:1.12.0-11.3.0
       options: --gpus all --rm -v /data/scratch/examples-data:/data/
-    timeout-minutes: 10
+    timeout-minutes: 15
     steps:
       - name: 📚 Checkout
         uses: actions/checkout@v3

.github/workflows/example_check_on_pr.yml

@@ -79,7 +79,7 @@ jobs:
     container:
       image: hpcaitech/pytorch-cuda:1.12.0-11.3.0
       options: --gpus all --rm -v /data/scratch/examples-data:/data/
-    timeout-minutes: 10
+    timeout-minutes: 15
     concurrency:
       group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}-run-example-${{ matrix.directory }}
       cancel-in-progress: true

.github/workflows/example_check_on_schedule.yml

@@ -35,7 +35,7 @@ jobs:
       matrix: ${{fromJson(needs.matrix_preparation.outputs.matrix)}}
     container:
       image: hpcaitech/pytorch-cuda:1.12.0-11.3.0
-    timeout-minutes: 10
+    timeout-minutes: 15
     steps:
       - name: 📚 Checkout
         uses: actions/checkout@v3