Table 3

Model energy and latency metrics

ModelTraining time (sec)Train CO2 (kg)Inference latency (msec)Inference CO2 (kg)
Deep AE + LightGBM206.000.002350.0402.17e−06
LSTM172.690.001370.0251.23e−06
Rule-Based1.446.77e−080.260N/A
TranAD4172.000.0173640.48022.00e−05
LogBERT6680.000.02780825.51350.001048
Edge-Aware Transformer GNN (HeteroConv + TransformerConv)36.000.0001410.00942.00e−06
Graph Autoencoder (GAE)11.000.0000430.00013.25e−08
Variational Graph Autoencoder (VGAE)10.000.0000370.00013.22e−08
Meta-Classifier198.980.001240.0284.03e−07
Source(s): Authors’ own work

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