[Feature] Support SparK

[fangyixiao18]

Thanks for your contribution and we appreciate it a lot. The following instructions would make your pull request more healthy and more easily get feedback. If you do not understand some items, don't worry, just make the pull request and seek help from maintainers.

Motivation

Please describe the motivation of this PR and the goal you want to achieve through this PR.

Modification

Please briefly describe what modification is made in this PR.

BC-breaking (Optional)

Does the modification introduce changes that break the backward compatibility of the downstream repositories?
If so, please describe how it breaks the compatibility and how the downstream projects should modify their code to keep compatibility with this PR.

Use cases (Optional)

If this PR introduces a new feature, it is better to list some use cases here and update the documentation.

Checklist

Before PR:

• Pre-commit or other linting tools are used to fix the potential lint issues.
• Bug fixes are fully covered by unit tests, the case that causes the bug should be added in the unit tests.
• The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, like docstring or example tutorials.

After PR:

• If the modification has potential influence on downstream or other related projects, this PR should be tested with those projects, like MMDet or MMSeg.
• CLA has been signed and all committers have signed the CLA in this PR.

[codecov]

Codecov Report

Patch coverage: 38.18% and project coverage change: -2.48 ⚠️

Comparison is base (f9dcae2) 68.16% compared to head (b9d2071) 65.68%.

❗ Current head b9d2071 differs from pull request most recent head 77c5741. Consider uploading reports for the commit 77c5741 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #1531      +/-   ##
==========================================
- Coverage   68.16%   65.68%   -2.48%     
==========================================
  Files         295      326      +31     
  Lines       23372    25491    +2119     
  Branches     3713     4066     +353     
==========================================
+ Hits        15932    16745     +813     
- Misses       6880     8137    +1257     
- Partials      560      609      +49     

Flag	Coverage Δ
unittests	65.68% <38.18%> (-2.48%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mmpretrain/apis/image_retrieval.py	21.42% <ø> (ø)
mmpretrain/datasets/__init__.py	63.41% <0.00%> (-10.88%)	⬇️
mmpretrain/datasets/gqa_dataset.py	0.00% <0.00%> (ø)
mmpretrain/datasets/nocaps.py	0.00% <0.00%> (ø)
mmpretrain/datasets/ocr_vqa.py	0.00% <0.00%> (ø)
mmpretrain/datasets/scienceqa.py	0.00% <0.00%> (ø)
mmpretrain/datasets/textvqa.py	0.00% <0.00%> (ø)
mmpretrain/datasets/transforms/__init__.py	100.00% <ø> (ø)
mmpretrain/datasets/vizwiz.py	0.00% <0.00%> (ø)
mmpretrain/datasets/vsr.py	0.00% <0.00%> (ø)
... and 53 more

... and 1 file with indirect coverage changes

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[Ezra-Yu]

please add unit test in

mmpretrain/tests/test_models/test_models.py

Line 24 in 4dd8a86

Cfg(name='xcit-small-12-p16_3rdparty_in1k',

[Ezra-Yu]

LGTM.