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Enhance PSI Constructor: Lower Peak Device Memory Usage
Reminder
- [x] Have you linked an issue with this pull request?
- [ ] Have you added adequate unit tests and/or case tests for your pull request?
- [ ] Have you noticed possible changes of behavior below or in the linked issue?
- [ ] Have you explained the changes of codes in core modules of ESolver, HSolver, ElecState, Hamilt, Operator or Psi? (ignore if not applicable)
Linked Issue
Close #4153
Unit Tests and/or Case Tests for my changes
- A unit test is added for each new feature or bug fix.
What's changed?
- Example: My changes might affect the performance of the application under certain conditions, and I have tested the impact on various scenarios...
Any changes of core modules? (ignore if not applicable)
- Example: I have added a new virtual function in the esolver base class in order to ...