Table 1 Numerical details for the test cases presented.

Number of parameters P

Afine op. components $Q_a$

Afine rhs components $Q_f$

FE space dim. $\mathcal{N}$

RB primal space dim. $N_{\max }^{\mathit{pr}}$

RB dual space dim. $N_{\max }^{\mathit{du}}$

RB construction $t_{\mathit{RB}}^{\mathit{offline}}$ (s)

RB evaluation $t_{\mathit{RB}}^{\mathit{online}}$ (s)

FE evaluation $t_{\mathit{FE}}$ (s)

Computational speedup $\mathcal{S}$

Break-even point ${\mathcal{Q}}_{\mathit{BE}}$