Nvidia codec sdk for 4K@60fps video

Hello,

I use nvidia sdk codec sdk(9.1) to decode two 4K@60fps video at the same time. my system GPU is Quadro P4000 and Driver Version: 455.45.01. GPU Utilization for decoder will hit 100% periodically.

gpu pwr gtemp mtemp sm mem enc dec mclk pclk

Idx W C C % % % % MHz MHz

0    64    73     -    25    22     0    77  3802  1708
0    65    73     -    24    22     0    79  3802  1708
0    56    73     -    20    14     0    44  3802  1708
0    45    73     -    24    21     0    77  3802  1708
0    62    73     -    24    22     0    75  3802  1708
0    66    73     -    24    21     0    67  3802  1708
0    59    73     -    24    21     0    71  3802  1708
0    66    73     -    24    20     0    61  3802  1708
0    60    73     -    24    21     0    74  3802  1708
0    62    73     -    24    21     0    79  3802  1708
0    66    73     -    25    23     0   100  3802  1708
0    62    73     -    24    21     0    71  3802  1708
0    58    73     -    24    21     0    71  3802  1708
0    62    73     -    24    22     0    79  3802  1708
0    64    73     -    27    25     0   100  3802  1708
0    68    73     -    29    26     0   100  3802  1708
0    55    73     -    24    21     0    70  3802  1708
0    57    73     -    24    21     0    66  3802  1708

Is there is a way to reduce the gpu decoder usage?

Thanks