IBM POWER 6

[Octane]

Emergono i primi dettagli concreti sull'ultima evoluzione della famiglia di processori POWER di IBM:

http://www.dailytech.com/article.aspx?newsid=670

Pipelined cache, SOI and 8-way associative L1 cache... the POWER6 is a speed demon and an oddball Yesterday at ISSCC, IBM hinted a little bit at its next generation POWER6 CPU. The processor is the first from IBM to feature Silicon-On-Insulator (SOI) technology used by AMD since 2004. IBM representatives also claimed the new chip will use a 65nm process running at an astounding 5GHz.

IBM previously revealed that the CPU would feature an 8-way associative 64KB L1 data cache. POWER5 also utilizes an associative L1 data cache. Intel processor architectures opt for direct cache mapping on the L1 cache instead. POWER6 is also unique in the fact that it will use a pipelined cache. This new design allows for two simultaneous reads from the cache per clock cycle or a single write.

IBM has previously revealed that POWER6 will be a 4-issue CPU, meaning four instructions can actually be sent own the CPU pipeline at once. IBM officials did not comment on simultaneous multi-threading (SMT), but POWER5 utilizes two logical threads per core in its current design. There does not seem to be any indication this will change for POWER6.

The POWER6 processor has been under development at IBM (at least publicly) since 2002 as part of the "eCLipz" processor family. The goal of the project has always been to unify all of IBM's RISC architectures under a single chip, thus eliminating the need for a separate architecture on the "i," "p," and "z" series servers.

Expect to see the POWER6 chip in servers in 12-18 months.

Questa e' una foto dell'attuale POWER V+



Altre info in rete:

http://www.theregister.co.uk/2006/02...m_power6_show/

The Power6 chip will run between 4GHz and 5GHz and has been shown to hum away at 6GHz in the lab. IBM reckons that some process technology breakthroughs have allowed it to kick GHz higher while still keeping heat and power consumption issues under control. All told, IBM claims that Power6 will be twice as fast as competing server processors from Intel, AMD and Sun Microsystems.

[Raffaele_Megabyte]

Hai dimenticato di dire che il Power6 non deriva dall'architettura Power5 (già a sua volta derivata dall'architettura Power4) ma è una diretta evoluzione del PPC 604e.

Comunque ci sono altre notizie qui su Arstechnica e in italiano su Punto Informatico

Mi fa strano che nelle news di HWUpgrade non ci sia notizia del Power6.

Lo ha presentato PI e non l'ha presentato HWU...

Mah... che tempi, HWU che si fa precedere da quelli che dell'informatica ne parlano e sparlano senza far nulla di concreto.

[isd88]

che step è? quanto sale a vcore standard? lo tien ia liquido? quanti punti ci fai a 3dmark?














non cell o fatta a reprimermi, scusate

[Octane]

Originariamente inviato da isd88

che step è? quanto sale a vcore standard? lo tien ia liquido? quanti punti ci fai a 3dmark?
non cell o fatta a reprimermi, scusate

Tu ci scherzi, ma con i primissimi prototipi gia' arrivano a oltre 4 GHz