From the journal Digital Discovery Peer review history

EGraFFBench: evaluation of equivariant graph neural network force fields for atomistic simulations

Round 1

Manuscript submitted on 15 Jan 2024
 

16-Feb-2024

Dear Dr Krishnan:

Manuscript ID: DD-ART-01-2024-000027
TITLE: EGraFFBench: Evaluation of Equivariant Graph Neural Network Force Fields for Atomistic Simulations

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Associate Editor, Digital Discovery

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EDITOR'S COMMENT:
- Please archive data files to a long-term repository (e.g., Zenodo) as mentioned by the reviewer, to provide long-term availability of the data and code resources. Provide the zenodo DOI in the data resource (this can be in addition to other non-repository links as well).

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Reviewer 1

This benchmark work almost contains all the ingredients to reproduce the results! I have a few minor comments:

1. Data split. In section 4.1 of the dataset, the description of the train/validation/test split is inconsistent across the datasets. Except for the GeTe dataset, no mention of a validation set is provided for the other datasets. For example, in the LIPS dataset, the authors stated: “The training and testing datasets have 19000 and 1000 configurations, respectively.” So, is the validation set part of the training set? I’d suggest making the validation set explicit. Also, how is the split obtained? As far as I know, some datasets, like LiPS by Batzner et al., 2022, do not provide an explicit split. Are the authors performed the split by themselves? If yes, what splitting method is used? For all the datasets in section 4.1, I’d suggest adding such split info.

2. Data source. The datasets are hosted on Google Drive. It might not be easy for researchers in some countries to access Google services. It would be great if the authors could host the dataset on some other repos, such as zenodo (https://zenodo.org) or figshare (https://figshare.com).

3. Code versions. I did not find the version information of the codes (e.g. MACE, TorchMDnet) used to generate the results in this work. Because they are third-party codes, it would be better to provide such info (e.g. commit number) for full reproducibility.


 

Response1: Thank you for highlighting the importance of data splitting details, which is a crucial aspect from a machine learning perspective. We have provided separate folders containing the test, train, validation data in the Zenodo folder for each of the datasets. The number of data points in each of these splits is included in Table S16 in supplementary documents.

Text Added in section 4.1
“The data splits are tabulated in Table S17 in ESI”

Response2: We appreciate the valuable suggestions from the reviewer. We have already uploaded all the datasets and code over GitHub which is an open source platform. However, for ease of convenience we have now uploaded it to Zenodo as well. Please find the link below: https://doi.org/10.5281/zenodo.10678029

Response3: Thank you for the valuable suggestion. We have now added a table in the supplementary materials with the details of code version for each model. See Table S15 of the supplementary documents.

Text Added in Section 3 Para 1
“Further hyperparameter details for all models are tabulated in ESI Section A.10 Table S1 to S11 along with model's code version information in table S16.”




Round 2

Revised manuscript submitted on 19 Feb 2024
 

26-Feb-2024

Dear Dr Krishnan:

Manuscript ID: DD-ART-01-2024-000027.R1
TITLE: EGraFFBench: Evaluation of Equivariant Graph Neural Network Force Fields for Atomistic Simulations

Thank you for submitting your revised manuscript to Digital Discovery. I am pleased to accept your manuscript for publication in its current form. I have copied any final comments from the reviewer(s) below.

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Dr Joshua Schrier
Associate Editor, Digital Discovery


EDITOR'S COMMENT:

Please be sure to address the typographical error noted by Referee #1 in your page-proof corrections.



 
Reviewer 1

I thank the authors for adding more information regarding data and training. The updated manuscript has addressed my concerns.

There is a small typo in the text added in section 4.1: “The data splits are tabulated in Table S17 in ESI”. There is no Table S17 in the ESI; it should be Table S16.




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