USB I/O performance

[Roberto Ragusa]

Bill Davidsen wrote:

> Didn't seem to do much for write speed on a USB connected hard drive, so
> the significant benefit seems limited to write to flash.

It could be an interaction with the erasable-block size of the
flash.

Flash doesn't like small writes, and 120KiB could be small and inefficient
for a 256 KiB flash block.

I have a really slow flash (writes at 2MiB/s), so I tried to increase the
number; the trick was impossible for me, the parameter is refused when >120.

-- 
   Roberto Ragusa    mail at robertoragusa.it