Table 1. Number of steps per day for the benchmark system.

Approximate number of particles	Steps per day sequential kernel	Peak performance steps per day parallel kernel	Number of threads
250	2.8 × 108	2.6 × 108	4
1000	7.9 × 107	1.2 × 108	7
13000	5.6 × 106	1.7 × 107	11
40000	1.8 × 106	6.3 × 106	11

Number of time steps per day for benchmark system of Sec. Performance using the machine described in Fig 3. In case of the parallelized implementation the peak performance with respect to the number of threads is shown.