Re: 200 way issue?

mac@coos.dartmouth.edu (Alex Colvin)
Fri, 1 Oct 1993 01:23:00 GMT

          From comp.compilers
Related articles
200 way issue? davidm@questor.rational.com (1993-09-29)
Re: 200 way issue? anton@mips.complang.tuwien.ac.at (1993-09-30)
Re: 200 way issue? pop@mtu.edu (1993-09-30)
Re: 200 way issue? grover@brahmand.Eng.Sun.COM (1993-09-30)
Re: 200 way issue? petersen@sp51.csrd.uiuc.edu (1993-09-30)
Re: 200 way issue? mac@coos.dartmouth.edu (1993-10-01)
Re: 200 way issue? preston@dawn.cs.rice.edu (1993-10-01)
Re: 200 way issue? daveg@thymus.synaptics.com (Dave Gillespie) (1993-10-04)
| List of all articles for this month |
Newsgroups: comp.compilers
From: mac@coos.dartmouth.edu (Alex Colvin)
Keywords: performance
Organization: Dartmouth College, Hanover, NH
References: 93-09-142
Date: Fri, 1 Oct 1993 01:23:00 GMT

davidm@questor.rational.com (David Moore) writes:


>HOWEVER, the question I want to raise is this: How many way issue can one
>actually use on real code. ... Intuition suggests that the mode of the
> distribution would be quite small - probably 2.


As I recall, the WM machine dual opcode was justified by the observation
that a second operation was useful 75% of the time, but a third was rarely
useful. Anyone at UVa have those numbers around? Although I believe the
two operations had to be related in some way, which would change the
statistics...
--
A. Colvin
Fostex R&D
Alex_Colvin@fostex.com
--

Post a followup to this message

Return to the comp.compilers page.
Search the comp.compilers archives again.