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. 2023 Apr 4;14(20):5438–5452. doi: 10.1039/d2sc04815a

Relative speedup of hybrid models with RESPA (R) and RESPA1 (R1) integrators calculated with respect.

splits 0.2 0.25/1 0.25/2 0.25/2/4 0.25/2/6
Benzenea 1.0 4.74 8.42 14.51 18.17
Watera 1.0 4.39 8.07 12.58
Benzeneb 1.21 5.74 10.20 17.57 22.00
Waterb 2.03 8.92 16.40 25.57
Integrator-type V R R R1(HMR) R1(HMR)
a

Hybrid model Velocity-Verlet (V) 0.2 fs time step.

b

ANI only with Velocity-Verlet (V) 0.2 fs time step.