pcqm4m changes with mpnn and gps++ configs, fix run_validation_test.py

[zhiyil1230]

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• Add tests to cover the fixed bug(s) or the new introduced feature(s) (if appropriate).
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discussion related to that PR
The mpnn and gpss++ are not up to date with the recent changes. Update them accordingly. Test run with 8000 samples look fine, loss decreasing.

[codecov]

Codecov Report

Merging #419 (f60b968) into main (7898633) will increase coverage by 2.87%.
Report is 10 commits behind head on main.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #419      +/-   ##
==========================================
+ Coverage   63.89%   66.77%   +2.87%     
==========================================
  Files          82       82              
  Lines        7813     7819       +6     
==========================================
+ Hits         4992     5221     +229     
+ Misses       2821     2598     -223     

Flag	Coverage Δ
unittests	66.77% <ø> (+2.87%)	⬆️

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

Components	Coverage Δ
ipu	47.70% <ø> (+29.09%)	⬆️

[DomInvivo]

Can you move to the new type of compositional configurations, using hydra?

[zhiyil1230]

Can you move to the new type of compositional configurations, using hydra?

I've modified the pcqm mpnn and gpspp configs to hydra and tested ok. For the largemix configs, I think @joao-alex-cunha is working on it. So here it is just a simple fix.

[notion-workspace]

Update MPNN and GPS++ configs (PCQ dataset) with the latest changes