On Wed, 15 Sep 1999, Ruslan Ermilov wrote:
> > The aio_* stuff (I use a custom patched version in 4.x) offers performance > > advantages over select() with large numbers of descriptors. In terms of > > efficiency, I don't have any trouble saturating full-duplex 100mbit link > > with aio routines on a reasonably fast box (PII-400 512MB). > > > > As more work gets done to the aio stuff, there are some potential early > > advantages available to multiprocessor machines (since the program > > 'driving' the aio could run concurrently with the kernel code moving > > network or disk data). > > > > -Chris > > Do you by any change have an idea how to fix PR kern/13075 > (signal is not posted for async I/O on raw devices) Yes. There is no code to post the signal unless the job is of the lio variety. Writing a fix took about 15 minutes (including reboot). Extensive testing not included, though the test program provided with the PR now functions. -Chris To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message
