Floating Point-The Results Are In!
bqt at Update.UU.SE
Sun May 10 21:48:23 AEST 1998
On Thu, 7 May 1998, Greg Lehey wrote:
> On Wed, 6 May 1998 at 20:45:41 -0400, Ed G. wrote:
> > Using a new approach, I have re-counted the number of floating point
> > operations for the utilities contained in Unix's bin directory.
> > According to my results, many important 7th Edition programs such as
> > adb, awk and tar make heavy use of floating point on the PDP-11.
> I'll believe this when you pinpoint the instructions.
I wouldn't be *that* surprised by these results. For instance, I believe
that longs are implemented with FP. And I wouldn't be surprised if a few
FP ops were sneaked in to compute some stuff that aren't immediately
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