Linus Torvalds writes: (Summary)
I think this is the really fundamental issue.
I think this is the really fundamental issue.
A device that expects PIO to do some kind of high-performance transaction is a *broken* device.
transaction is a *broken* device.
It really is that simple. We don't bend over for misdesigned hardware crap unless it is really common.
crap unless it is really common.
AVX or similar can ever be.
Linus
Linus
Linus
I think this is the really fundamental issue.
A device that expects PIO to do some kind of high-performance transaction is a *broken* device.
transaction is a *broken* device.
It really is that simple. We don't bend over for misdesigned hardware crap unless it is really common.
crap unless it is really common.
[...]
by things in the fpga fabric (they appear back to back). The write combine buffer really should be much more effective than any AVX or similar can ever be.AVX or similar can ever be.
Linus
Linus
Linus