Table 12 Comparative computational performance and scalability of ML models.

From: Prediction of rapid chloride permeability using silica fume, fly ash, GGBS and micro fibers based geopolymer concrete

Model

Training time (s)

Computation load

Scalability

Remarks

AdaBoost

25–30

Low

High

Fast convergence with shallow learners; less accurate for nonlinear patterns

AVOA

90–120

High

Moderate

Metaheuristic optimization increases computational cost; it has good exploratory ability

CatBoost

45–60

Moderate

High

Balanced accuracy and efficiency; GPU support enhances scalability

LGBMR

30–40

Low–moderate

Very high

Fastest boosting algorithm; slightly less interpretable than CatBoost