UNIX semantics do permit full support for asynchronous I/O

[Barry Shein]

Do there exist any benchmark or other test results which indicate that
adding asynch i/o to unix actually yields a performance improvement?

Papers, pointers, etc appreciated. I am not interested in results from
other operating systems, I don't believe they would have any
applicability to the question.

However, very informal results would be appreciated.
-- 
        -Barry Shein

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