Dual-Core PPC970 von IBM CONFIRMED :-D

ks23 · 24. Juli 2004

Although Apple has only this year begun shipping G5 Power Macs and Xserves with the PowerPC 970FX processor, IBM plans to raise the bar with the chip's successor, a dual-core processor code-named "Antares," well-placed sources told Think Secret.

Known officially as the PowerPC 970MP, the chip will feature two interconnected microprocessors on a single 13.225mm x 11.629mm die -- a first for the 970 processor family. Each core will have its own 1MB L2 cache, sources said; the 970FX has only 512KB. L3 cache will not be supported.

The 970MP will feature a copper bus with 10 layers of metal; the dual cores will share a single Elastic Interface (EI) bus supporting a wide range of bus ratios and opening the door for higher bus speeds.

Antares will be manufactured using IBM's CMOS SOI10K process with Silicon on Insulator technology, sources said. The new chip will also support the VMX instruction set with Altivec-compatible Vector/SIMD units -- one on each core.

Aside from cache and bus improvements, Antares will boast a number of other design strides over the "Altair" 970FX chip. One area will be power management; the 970MP will feature enhancements to IBM's PowerTune technology -- first introduced in the 970FX -- which conserves power by throttling its clock speed on a dime. Both cores will throttle clock speeds and voltage up or down in tandem, sources said.

Antares will also feature a programmable ABIST diagnostic -- "array built-in self-test" -- that's designed with the Silicon on Insulator arrays in mind.

Sources confirmed that Apple is signed up to use the 970MP in future hardware products, presumably the Power Mac and Xserve product lines. According to sources, IBM designed the 970MP for use in a variety of configurations, including desktops, workstations, servers, and four-way SMP environments.

IBM will reportedly deliver the first prototypes to Cupertino in August and is projected to wrap up its own testing and begin production in January; this timetable suggests that customers could see the new processor in Apple products sometime in 2005.

IBM's plans call for delivering a 970MP that clocks at 3GHz with a 1GHz EI bus, according to sources. When comparing two chips of similar clock speeds, however, multiple-core processors deliver improved performance. IBM's initial plans called for multiple cores in the first G5, the 64-bit PowerPC 970, aka GigaProcessor UltraLite (GPUL).

Antares would be the first dual-core GPUL chip in an industry where AMD and Intel last month both announced plans to bring dual-core chips to market. In a recent interview on eWEEK.com with 970FX designer Norman Rohrer from IBM, Rohrer would not confirm whether a dual-core chip was in the cards, but "he did say that a dual-core chip would remove some of the pressure to constantly push clock speeds higher."
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Quelle: ThinkSecret

Gruß
Kalle

MacELCH · 24. Juli 2004

Dual-Core G5 Powerbook (träum)

kawi · 24. Juli 2004

Verstehe ich das richtig? das ganze wird ein Prozessor der eigentlich ein Dual Prozessor ist (bzw so funktioniert?)
wäre ein solcher 3 Ghz Prozessor mit einem "normalen" Dual 3 Ghz G5 gleichzusetzen?

ks23 · 24. Juli 2004

Ja, ungefähr. Wäre aber noch schneller, einwenig, da es kürzere Verbindungen sind (zwischen den CPUs).

Komisch is nur, dass da nix von integrated memory-controller und SMT steht. Aber er weiß

Und wenn's denn wahr is, vor Mitte 2005 würde ich nicht damit rechnen.

Gruß
Kalle

mac_the_mighty · 24. Juli 2004

supi, dann kann Onkel Steve ja für das nächste Jahr schon mal verkünden, daß der G5 bei 6 GHz liegen wird...

MacELCH · 24. Juli 2004

Falsch, 12 DDC (Dual-Dual Core 3 Ghz)

ks23 · 25. Juli 2004

Nö, richtig:

Von kawi:
... wäre ein solcher 3 Ghz Prozessor mit einem "normalen" Dual 3 Ghz G5 gleichzusetzen?
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MacELCH · 25. Juli 2004

Ich bezog mich auf den G5 mit 6 GHz mit meiner Antwort ks23

ks23 · 25. Juli 2004

Ahso... alles klar "MacELCH" arty:

Gruß
Kalle

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