2018-11-02 09:14:13 UTC
So I was able to get the performance numbers up by increasing the
default SDMA boundary value from 4k up to 512K (which is the default in
With the increased boundary size I saw an increase in HS200 (141 MB/s)
as well as HS400 (193 MB/s) throughput as compared to earlier with both
the modes (~105 MB/s). Going over the code I understand that an increase
in size causes less DMA interrupts.
Any specific reason to use 4K as default value? If not, is it okay to
switch to 512K?