Article View: comp.arch
Article #22744Re: Prefetch instruction (was Re: BitBlt, new instructions for RISC.)
From: Alan Lovejoy
Date: Fri, 02 Mar 1990 06:06
Date: Fri, 02 Mar 1990 06:06
17 lines
1602 bytes
1602 bytes
In article <203@zds-ux.UUCP> gerry@zds-ux.UUCP (Gerry Gleason) writes: <Let me see if I understand this correctly. For it to help to put the load <early, the instruction pipeline would have to be able to continue executing <as long as no instruction references the loaded register (this is what the <scoreboard does, indicates which registers are "valid"). Is this a correct <interpretation of what you said? Yes. That's the main point of having a scoreboard, after all. Notice how the relative importance of things depends on the environment as a whole, as well as the tasks you wish to accomplish?! "It is impossible to do just one thing." ____"Congress shall have the power to prohibit speech offensive to Congress"____ Alan Lovejoy; alan@pdn; 813-530-2211; AT&T Paradyne: 8550 Ulmerton, Largo, FL. Disclaimer: I do not speak for AT&T Paradyne. They do not speak for me. Mottos: << Many are cold, but few are frozen. >> << Frigido, ergo sum. >>
Technical Details
Message-ID:
<7499@pdn.paradyne.com>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!uwm.edu!rpi!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!aplcen!uunet!pdn!oz!alanReferences:
<7466@pdn.paradyne.com> <BBC.90Feb25195510@legia.rice.edu> <7488@pdn.paradyne.com> <203@zds-ux.UUCP>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!uwm.edu!rpi!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!aplcen!uunet!pdn!oz!alan From: alan@oz.nm.paradyne.com (Alan Lovejoy) Newsgroups: comp.arch Subject: Re: Prefetch instruction (was Re: BitBlt, new instructions for RISC.) Message-ID: <7499@pdn.paradyne.com> Date: 2 Mar 90 06:06:01 GMT References: <7466@pdn.paradyne.com> <BBC.90Feb25195510@legia.rice.edu> <7488@pdn.paradyne.com> <203@zds-ux.UUCP> Sender: usenet@pdn.paradyne.com Reply-To: alan@oz.paradyne.com (Alan Lovejoy) Distribution: usa Organization: AT&T Paradyne, Largo, Florida Lines: 17