To: Charles Sandmann Cc: djgpp AT sun DOT soe DOT clarkson DOT edu (DJGPP Mailing List) Subject: Re: One More Confused Interrupt Question Date: Fri, 03 Mar 95 11:05:29 +0200 From: "Eli Zaretskii" > 2) The interrupt reflection overhead between the two modes can be an > issue, but only in extreme cases. My 486/33 can handle around 10K of > these reflections per second, which means I can handle a 1024Hz clock, Does this mean the interrupt reflection overhead takes a whopping 3000 cycles (100 microseconds/reflection on a 30-ns cycle machine)? Seems like a lot to me. If it is indeed so, is all that overhead really necessary? Where does it go?