Table 4 Wall-clock time and peak memory (MaxRSS) from sacct for full core over 365 days depletion time with OpenMC using ENDF/B-VII.1.

From: Evaluating machine learned nuclear data precision in full core nuclear reactor Monte Carlo neutronics and computational efficiency analyses

Reactor

Library

Elapsed (h:m:s)

Wall [s]

MaxRSS [GiB]

Speed-up (\(\times\))

\(\Delta\)Wall [%] / \(\Delta\)MaxRSS [%]

EPR

Original

18:17:39

65859

1.773

1.217

17.81% \(\downarrow\) / 4.40% \(\downarrow\)

Reduced

15:02:07

54127

1.695

VVER-1000

Original

15:25:15

55515

2.722

1.741

42.5% \(\downarrow\) / 5.0% \(\uparrow\)

Reduced

08:51:47

31907

2.859

  1. The ”Reduced” library uses the ML-based Energy grid and cross-section thinning  8. MaxRSS values converted from K units and shown in GiB.