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I'd love to see: (1) some analysis of the usefulness of these extra instructions, perhaps compared to Intel's MMX instructions and their subsequent SSE instructions in the Pentium 3, or even compared to AltiVec, and (2) some analysis of whether the 3DNow! instructions were actually used by developers. I recall the suspicion was that 3DNow! was all hype and marketing. Tempshill 22:07, 1 Mar 2004 (UTC)
It says "However, 3DNow! instructions can generally be executed with a lower latency and throughput than SSE instructions." Does this mean lower latency AND lower throughput? This is unclear, especially as the contexts seem to present an advantage over SSE.
Long time ago I've heard that when a program simply used MMX or x87 instructions, the processor is able to real-time change the code to use better and faster 3DNow! instructions without any application intervention or modification.
Is that real, or was only a rumour?
— Claunia 23:17, 27 August 2005 (UTC)
I was running mplayer to watch a video on my linux ststem, and saw the following among its output
MPlayer dev-SVN-rUNKNOWN-4.1.2 (C) 2000-2007 MPlayer Team
CPU: AMD Athlon(tm) 64 Processor 3200+ (Family: 15, Model: 12, Stepping: 0)
3DNowExt supported but disabled
CPUflags: MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 0 SSE: 1 SSE2: 1
Does anyone know anything about this 3DNow2 flag? --
Pandora Xero
13:49, 5 September 2007 (UTC)
Should we? It does look a bit silly that every time 3DNow! is mentioned we have !!!!! Rilak ( talk) 11:16, 20 March 2009 (UTC)
I don't think that the first sentence should contain the word rape. TheWaters ( talk) 23:56, 1 September 2009 (UTC)
From article: "Software written to use AMD's 3DNow! instead of the slower x87 FPU could execute up to 4x faster, depending on the instruction-mix."
I was directed here by the Broadwell article that says the Broadwell processor will support prefetchw. Any info on this here? — Preceding unsigned comment added by 38.97.97.99 ( talk) 18:45, 17 April 2014 (UTC)
These external links do not link to a specific page: 2 - AMD 3DNow Instruction Porting Guide (PDF) 3 - 3DNow Technology Manual 4 - AMD Extensions to the 3DNow and MMX Instruction Sets Manual 6 - AMD Geode LX Processors Data Book — Preceding unsigned comment added by Cor Koomen ( talk • contribs) 13:24, 13 August 2014 (UTC)
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This is the
talk page for discussing improvements to the
3DNow! article. This is not a forum for general discussion of the article's subject. |
Article policies
|
Find sources: Google ( books · news · scholar · free images · WP refs) · FENS · JSTOR · TWL |
![]() | This article is rated C-class on Wikipedia's
content assessment scale. It is of interest to the following WikiProjects: | ||||||||||||||||
|
I'd love to see: (1) some analysis of the usefulness of these extra instructions, perhaps compared to Intel's MMX instructions and their subsequent SSE instructions in the Pentium 3, or even compared to AltiVec, and (2) some analysis of whether the 3DNow! instructions were actually used by developers. I recall the suspicion was that 3DNow! was all hype and marketing. Tempshill 22:07, 1 Mar 2004 (UTC)
It says "However, 3DNow! instructions can generally be executed with a lower latency and throughput than SSE instructions." Does this mean lower latency AND lower throughput? This is unclear, especially as the contexts seem to present an advantage over SSE.
Long time ago I've heard that when a program simply used MMX or x87 instructions, the processor is able to real-time change the code to use better and faster 3DNow! instructions without any application intervention or modification.
Is that real, or was only a rumour?
— Claunia 23:17, 27 August 2005 (UTC)
I was running mplayer to watch a video on my linux ststem, and saw the following among its output
MPlayer dev-SVN-rUNKNOWN-4.1.2 (C) 2000-2007 MPlayer Team
CPU: AMD Athlon(tm) 64 Processor 3200+ (Family: 15, Model: 12, Stepping: 0)
3DNowExt supported but disabled
CPUflags: MMX: 1 MMX2: 1 3DNow: 1 3DNow2: 0 SSE: 1 SSE2: 1
Does anyone know anything about this 3DNow2 flag? --
Pandora Xero
13:49, 5 September 2007 (UTC)
Should we? It does look a bit silly that every time 3DNow! is mentioned we have !!!!! Rilak ( talk) 11:16, 20 March 2009 (UTC)
I don't think that the first sentence should contain the word rape. TheWaters ( talk) 23:56, 1 September 2009 (UTC)
From article: "Software written to use AMD's 3DNow! instead of the slower x87 FPU could execute up to 4x faster, depending on the instruction-mix."
I was directed here by the Broadwell article that says the Broadwell processor will support prefetchw. Any info on this here? — Preceding unsigned comment added by 38.97.97.99 ( talk) 18:45, 17 April 2014 (UTC)
These external links do not link to a specific page: 2 - AMD 3DNow Instruction Porting Guide (PDF) 3 - 3DNow Technology Manual 4 - AMD Extensions to the 3DNow and MMX Instruction Sets Manual 6 - AMD Geode LX Processors Data Book — Preceding unsigned comment added by Cor Koomen ( talk • contribs) 13:24, 13 August 2014 (UTC)
Hello fellow Wikipedians,
I have just modified 2 external links on 3DNow!. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
When you have finished reviewing my changes, please set the checked parameter below to true or failed to let others know (documentation at {{
Sourcecheck}}
).
This message was posted before February 2018.
After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than
regular verification using the archive tool instructions below. Editors
have permission to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the
RfC before doing mass systematic removals. This message is updated dynamically through the template {{
source check}}
(last update: 5 June 2024).
Cheers.— InternetArchiveBot ( Report bug) 22:27, 29 September 2016 (UTC)