After following instructions on how to change DRAM PLL frequency, here is a quick comparison of Stream, running on the i.MX 8MM. Normalized to LPDDR4-3000, based on 5.4.24_2.1.0 BSP
Stream |
LP4-3000 |
LP4-2400 |
DDR4-2400 |
LPDDR-1866 |
Copy: |
1 |
0.810 |
0.735 |
0.497 |
Scale: |
1 |
0.896 |
0.765 |
0.756 |
Add: |
1 |
0.899 |
0.683 |
0.762 |
Triad: |
1 |
0.902 |
0.680 |
0.767 |