Tim Waugh (email@example.com)
Mon, 19 Oct 1998 19:29:15 +0100 (BST)
On Mon, 19 Oct 1998, Philip Blundell wrote:
> I'd be interested in measurements of performance for your direct I/O method
> against going through parport. If there really is a problem then I'll
> certainly have a think about ways to get the overhead down.
Another thing is this: David, you have lots of inline asm in ppa for doing
port-accesses. Ages ago, you claimed it was because the parport functions
were too slow. I kept meaning to compare the .s files, but I still
haven't gotten around to it.
Maybe egcs does a better job? It really shouldn't be necessary to code
the asm yourself.
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