Path: utzoo!attcan!uunet!lll-winken!lll-lcc!ames!mailrus!tut.cis.ohio-state.edu!bloom-beacon!savax.UUCP!lewin
From: lewin@savax.UUCP (Stuart Lewin)
Newsgroups: comp.windows.x
Subject: Re: Sun Benchmarks (& constant device reads)
Message-ID: <8812201659.AA12593@savax.Sanders.COM>
Date: 20 Dec 88 16:59:31 GMT
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
Lines: 10

Back around Beta-X time when we were doing some performance
measurements on X (for the Sun server), I too noticed that the
server was going in to read the i/o devices every time around the
loop. It turned out that the Sun ddx code was setting the flags
to determine if input exists and then never bothering to clear it
after the first input arrived - hence once the first device input
came along, it went and looked for input every time after that.
If the code hasn't been fixed since then, it's probably still the
case...
Stu
<lewin@savax.com or ...!decvax!savax!lewin>