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minor api changes for ferminet layers #3551

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merged 9 commits into from
Sep 14, 2023

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shaipranesh2
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Description

Fix #(issue)

Type of change

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  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
    • In this case, we recommend to discuss your modification on GitHub issues before creating the PR
  • Documentations (modification for documents)

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  • My code follows the style guidelines of this project
    • Run yapf -i <modified file> and check no errors (yapf version must be 0.32.0)
    • Run mypy -p deepchem and check no errors
    • Run flake8 <modified file> --count and check no errors
    • Run python -m doctest <modified file> and check no errors
  • I have performed a self-review of my own code
  • I have commented my code, particularly in hard-to-understand areas
  • I have made corresponding changes to the documentation
  • I have added tests that prove my fix is effective or that my feature works
  • New unit tests pass locally with my changes
  • I have checked my code and corrected any misspellings

#filling the weights with 1e-9 for faster convergence
self.v[0].weight.data.fill_(1e-9)
self.v[0].bias.data.fill_(1e-9)
#filling the weights with 2.5e-7 for faster convergence
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Why are we making this change? What is the purpose of the doubling?

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Removed double datatypes as per our previous conversation. (Thought double datatypes will improve precision, but slowed down the model)

if l == 0 or (self.n_one[l] != self.n_one[l - 1]) or (
self.n_two[l] != self.n_two[l - 1]):
one_electron_tmp[:, i, :] = torch.tanh(self.v[l](f.to(
torch.float32)))
one_electron_tmp[:, i, :] = torch.tanh(self.v[l](f))
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Can you explain the changes in this section?

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Here the tensor was already in float32, so ".to(torch.float32)" adds redundancy

@@ -5156,7 +5159,11 @@ def forward(self, one_electron: torch.Tensor,
dim=2))) * self.pi[one_d_index].T,
dim=1)

return psi_up, psi_down
d_down = torch.det(psi_down[:, k, :, :].clone())
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What is the purpose of these changes? Can you add a comment?

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I changed the layer to return the determinant value of orbital matrix and the wavefunction's value. (the determinant calculation when clubbed with this layer, avoids redundant loops in the code)

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@rbharath rbharath left a comment

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Have several requests for comments below

@shaipranesh2 shaipranesh2 changed the title adding double data types and minor api changes for ferminet layers minor api changes for ferminet layers Sep 13, 2023
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LGTM

@rbharath rbharath merged commit 0314b41 into deepchem:master Sep 14, 2023
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2 participants