Power-6 -- What do we know about it?

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DaSeitz
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Power-6 -- What do we know about it?

Unread postby DaSeitz » Wed May 24, 2006 7:13 am

What is known of the Power6 specs today?

Models?
Speed (MHz)
Benchmarks?
Double and single precision performance?
Features?
Cache?
2 cores?

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epitaxial bandgap
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Unread postby epitaxial bandgap » Wed May 24, 2006 10:22 am

didn't yet read the articles through, but:
http://news.zdnet.com/2100-9584_22-6039293.html
is an interview with chief chip architect,
http://www.itjungle.com/breaking/bn020706-story01.html
is an article about the chip.
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Frapazoid
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Unread postby Frapazoid » Wed May 24, 2006 1:00 pm

2 cores? lol, IBM's been doing multicore for years. Now Intel wants to make a huge deal and call their chip "Core" like they invented the concept.

Anyway, I saw that IBM had in the labs ran on of these with 6 cores at 6 ghz each.

Power6 is going to rock the cock. I've got Linux\PPC on a system at home, works rather well, so I think it'd be fun to make a Power6 workstation.

DaSeitz
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Unread postby DaSeitz » Wed May 24, 2006 1:44 pm

so we have:
4 to 5 GHz
13 stage pipeline
large on die L2 cache, not shared
on die L3 memory controller
more than 36MB L3cache
maybe L4 cache
750million transistors
dual-core

A Power-6 workstation would be fun, indeed.
quad Power6, quad 1GB Nvidia Quadro, 256GB FBdimm, Infiniband, SAS storage, Linux or AIX OS. 8)

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foetz
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Unread postby foetz » Wed May 24, 2006 2:15 pm

there were quite a few rumors about high ghz but i doubt the production version will run that high. anyway it doesn't matter what they have in the labs as long as it's not released.
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Frapazoid
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Unread postby Frapazoid » Wed May 24, 2006 2:38 pm

Well none of it's released. We're discussing a future product.

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foetz
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Unread postby foetz » Thu May 25, 2006 5:04 pm

Frapazoid wrote:Well none of it's released. We're discussing a future product.


likewise, as i said.
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SupremeCmdr
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Unread postby SupremeCmdr » Fri May 26, 2006 3:38 am

foetz wrote:there were quite a few rumors about high ghz but i doubt the production version will run that high. anyway it doesn't matter what they have in the labs as long as it's not released.


I remember initial estimates for the P4 going up to something like 10Ghz in their presentation slides, so it is very wise to take estimated operating speeds with a large grain of salt.
Apple Unibody MBP 2.66Ghz, 8Gb OSX 10.6
Apple MacMini 1.83Ghz, 1Gb OSX 10.5
Apple Power Mac Cube 450Mhz, 256Mb, OSX 10.3 Sweet!
Sun Ultra10 440Mhz 1Gb, SunOS 5.10

http://gothmog.homeunix.net/blog

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Frapazoid
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Unread postby Frapazoid » Fri May 26, 2006 3:44 am

Whatever the case, I want one.
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Unread postby hamei » Fri May 26, 2006 5:54 am

Frapazoid wrote:Whatever the case, I want one.

A p-iv ? I can get you one at a good price .....

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Unread postby Frapazoid » Fri May 26, 2006 7:33 am

Noooo, a P-VI.

I've got a Power4 "eMac" with Linux on it.
Maverick 3: Athlon X2 7750, 2gb, Windows Vista
Frank Dux: SGI Octane2 R12k 400mhz 1.5gb

"Chief, look! I learned to make fire! Who knows what we could do with this... We should learn to control it!"

"Ridiculous. How can you justify wasting time and effort on this so-called 'fire' when our children are freezing to death at night?"

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Unread postby thunng8 » Sun Feb 11, 2007 5:33 am

DaSeitz wrote:so we have:
4 to 5 GHz
13 stage pipeline
large on die L2 cache, not shared
on die L3 memory controller
more than 36MB L3cache
maybe L4 cache
750million transistors
dual-core

A Power-6 workstation would be fun, indeed.
quad Power6, quad 1GB Nvidia Quadro, 256GB FBdimm, Infiniband, SAS storage, Linux or AIX OS. 8)

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It is confirmed that POWER6 has:
- Single-instruction-latency FXU
- Higher dispatch bandwith of 7 for SMT compared to Power5's 5.
- 64kb L1D cache (up from 32kb)
- 4MB private L2 cache per core (up from 1.9MB shared)
- Dual memory controllers (instead of 1).
- Pipeline depth of 13 (shorter than Power5's 15)
- Dual thread SMT, with the second thread providing ~40% extra performance for integer and 55% for OLTP benchmarks. (POWER5 was ~20-35%)
- IBM seems to be using different channel length transistors for different frequency points.
- Rumored: No more grouping of instructions
http://www.realworldtech.com/forums/ind ... &roomid=11

Here is IBM's Presentation at FPF:
http://www2.hursley.ibm.com/decimal/IBM ... Credie.pdf

And an abstract from next week's ISSCC:

"The POWER6TM microprocessor combines ultra-high frequency operation, aggressive power reduction, a highly scalable memory subsystem, and mainframe-like reliability, availability, and serviceability. The 341mm2 700M transistor dual-core microprocessor is fabricated in a 65nm SOI process with 10 levels of low-k copper interconnect. It operates at clock frequencies over 5GHz in high-performance applications, and consumes under 100W in power-sensitive applications."

We also know that Power6 will be used in Blade servers as well:
http://news.zdnet.com/2100-9584_22-6141435.html

We will know more next week when IBM makes their presentation.
My Systems:
Apple MacBookPro, 2.66Ghz Dual Core i7, Nvidia 330M GT, 8GB RAM, 240GB SSD + 750GB (optibay)
AMD Phenom II X4 3.4Ghz, Nvidia 9800GT, 8Gb RAM, 2TB + 1.5TB
Apple iBook G4, 1.2ghz G4, ATI 9200, 768MB RAM, 80GB.
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Dubhthach
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Unread postby Dubhthach » Mon Feb 12, 2007 8:00 am

Realworldtech had a good enough article about it awhile ago.
http://realworldtech.com/page.cfm?ArticleID=RWT101606194731
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thunng8
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Unread postby thunng8 » Mon Feb 12, 2007 3:28 pm

Dubhthach wrote:Realworldtech had a good enough article about it awhile ago.
http://realworldtech.com/page.cfm?ArticleID=RWT101606194731


A bit more info here:

http://arstechnica.com/news.ars/post/20070212-8823.html

Looks like they have exceeded 5Ghz and will be shipping in systems in ~4 months.
My Systems:
Apple MacBookPro, 2.66Ghz Dual Core i7, Nvidia 330M GT, 8GB RAM, 240GB SSD + 750GB (optibay)
AMD Phenom II X4 3.4Ghz, Nvidia 9800GT, 8Gb RAM, 2TB + 1.5TB
Apple iBook G4, 1.2ghz G4, ATI 9200, 768MB RAM, 80GB.
HP c8000, 1.1Ghz Dual Core PA-8900, ATI FireGL X3, 6GB RAM, 2x73GB

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R-ten-K
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Unread postby R-ten-K » Tue Feb 13, 2007 12:11 am

thunng8 wrote:
Looks like they have exceeded 5Ghz and will be shipping in systems in ~4 months.


Yeah, they had systems running stable at 6Ghz, they are using some weird process where they are inducing some germanium doping. Pretty kwel!
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pyramid with thousand naked women screaming and throwing little pickles at you?"


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