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Internal Intel documents reveal that SSE4 is on the way and will be here with Conroe

Several internal memos and roadmaps from Intel confirmed what many of us already suspected: Intel's Conroe (and Merom) will feature SSE4.  The next generation SSE instructions were listed as part of the the platforms "Significant Video Enhancements" built into the upcoming Intel platforms.  

Among the other video enhancements listed included Clear Video Technology (CVT) -- Intel's attempted answer to ATI Avivo -- and UDI support.  Both of these technologies seem dependant on the 965 core logic and not necessarily the CPU.  Other Intel corporate roadmaps have defined CVT as:

Intel Clear Video Technology supporting advanced decoding, post-processing capabilities and enhanced 3D

The Conroe platform and most of its features have not been disclosed yet.  Intel is expected to announce the Conroe architecture name at the Intel Developer Forum on March 7th. 

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By Shining Arcanine on 2/14/2006 3:38:45 PM , Rating: 2
Video Codecs, like XviD and DivX.

By smitty3268 on 2/14/2006 4:07:05 PM , Rating: 2
The real problem is that it didn't improve performance any. I think those codecs sped up by about 1% after they added SSE3. Hopefully SSE4 won't be as disappointing.

By BaronMatrix on 2/14/2006 4:10:18 PM , Rating: 2
Actually SSE3 gave Intel a large advantage in things like Photoshop and Encoding. That's why AMD included it in the E revision of SanDiego. This may give them a boost again, but AMD can just license it.

By smitty3268 on 2/14/2006 4:28:43 PM , Rating: 2
Actually, you could be right. The test I saw was for AMD chips with SSE3, and they barely improved at all. But Intel chips could have gotten a significant boost. The only tests for them I've seen was comparing Prescott(SSE3) vs. Northwood(SSE2) and obviously that isn't fair for SSE3.

This was for video encoding, which actually only uses 1 of the SSE3 instructions (lddqu?)

RE: Didn't AMD mention new instructions sometime ago?
By MDme on 2/14/2006 6:37:49 PM , Rating: 2
IIRC, there was a certain issue whether the intel compilers allowed SSE2/3 code to be run on AMD CPUs. I remember something like if there was no Genuineintel Flag that it would disable SSE2/3 instructions. There was even a hack around it and it showed AMD CPUs getting even faster than they currently are with the patch involved. I can't remember where I saw it though. Was in the forums a long time ago.

By Plasmoid on 2/14/2006 8:55:32 PM , Rating: 2
Yeah it seems like programs compiled before the E revision AMD cores dont use the SSE3 fully on them. On newer programs though it seems both Intel and AMD chips get decent speed boost in specialised areas.

3dNow was a great instruction set for Athlon XP's
It took a long time to take off but when the K6 started to come to an end of its life 3dNow took off in in encoders and some games because it gave genuine speed boosts (not like MMX, and a lot more then SSE)

By Questar on 2/15/2006 2:17:35 PM , Rating: 2
You are mistaken that 3Dnow was faster that SSE.

See my post above.

RE: Didn't AMD mention new instructions sometime ago?
By mpeny on 2/14/2006 4:21:51 PM , Rating: 2
Actually Adobe Premiere Pro pretty much requires it. There is considerable performance increase here - and this is true for many prosumer software out there.

This is why Anandtech should stop using Premiere 6/7 for the benchmarks. Start using a more recent versions of the applications like After Effects and Premiere.

By mindless1 on 2/14/2006 9:45:33 PM , Rating: 2
Actually, no that' s a horrible idea. WHen people buy a system, they don't consider buying ALL NEW software to be a prerequisite. If that is the case, then taking the P4 for example, we can't say a $400 P4 has score : X in a benchmark, we have to call it a $2560 P4 (or whatever applies per software) since it would be manditory to buy the software to get the performance.

If anything, benchmarks are already using software that is too new. People just do not continually upgrade their software, particularly the expensive titles and businesses do it even less often except in a production environment.

"I f***ing cannot play Halo 2 multiplayer. I cannot do it." -- Bungie Technical Lead Chris Butcher
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