Even when it uses the same code base, there could be a wrong configuration
which (I am guessing) uses for writing pio mode, which of course does work
but is much slower.
Am 27.04.2015, 22:07 Uhr, schrieb Stefan Monnier
<[email protected]>:
When SATA uses it's own DMA code this could explain why writing to SATA
disk
is up to 5 times slower than reading.
I don't see why. The SATA code in mainline for Allwinner uses the same
code (including DMA) as used on many other platforms, AFAIK.
But yes, I'm also very curious why SATA write speed seems limited to
about 40MB/s.
Stefan
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