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Views Read Edit View history. Opteron series Socket C32 , code named Valencia, with up to four modules and Opteron series Socket G34 , code named Interlagos, with up to 8 modules. Each physical integer core, two per module, is single threaded, in contrast with Intel’s Hyperthreading , where two virtual simultaneous threads share the resources of a single physical core. This site may earn affiliate commissions from the links on this page. On 13 October , AMD stated on its blog that “there are some in our community who feel the product performance did not meet their expectations”, but showed benchmarks on actual applications where it outperformed the Sandy Bridge i7 k and AMD X6 T. It took AMD four years to develop Zen and it will take another four for Zen to complete its shelve time.

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Does Piledriver deliver where Bulldozer fell short? Views Read Edit View history.

New Bulldozer deep dive sheds fresh light on AMD’s troubled CPU

This is interesting, for several reasons. AMD calls this design a “Module”. This page was last edited on 27 Novemberat You may unsubscribe from the newsletter at any time. Webarchive template wayback links.

AMD Roadmap Detailing Bulldozer (Zambezi-FX) Processors Leaked, Four New CPU’s to arrive in Q4 2011

This is rather odd, as it implies AMD is pilexriver to go after the low power market strictly with ARM, when it has an x86 core that fits into the segment as well its recently acquired SeaMicro subsidiary that specializes in x86 server hardware. The fastest model, the AK, featured two Piledriver modules operating at 4. This also confirms that AMD will be sticking with 14nm for a while.


Though the biggest jump for AMD comes from the transition from Dozer to Zen, the company is looking to push the envelope on IPC harder than they did with the Dozer family, projecting a higher increase in IPC over time than what we saw with the Dozer parts.

The boards are detailed in our post here. Retrieved 10 February Retrieved from ” https: In terms of hardware complexity and functionality, the Bulldozer CMT module is equal to a dual-core processor in its integer power, and to either a single-core processor or a dual core in its floating-point power, depending on whether the code is saturated in floating point instructions in both threads running on the same CMT module, and whether the FPU is performing bit or bit floating point operations.

From Wikipedia, the free encyclopedia. The Temash to Mullins debut, with a 2W envelope, does imply that the follow-up chip will slip into a better space.

AMD’s 2nd Generation Bulldozer Core “Piledriver” Architecture Detailed

Retrieved 8 November Piledriver is the AMD codename for its improved second-generation microarchitecture based on Bulldozer. Retrieved 7 January Retrieved 16 January That surprised us — with 20nm production supposedly starting in the early part of the year, we expected AMD to have designs ready to ship fairly early in the ramp.


The modular architecture consists of multithreaded shared L2 cache and FlexFPU, which uses simultaneous multithreading. This means that AMD will be planning to offer future revisions of Zen with an improved architecture to increase performance and efficiency.

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Both of these last two comparisons make the assumption that the comparison processor possesses and equally wide and capable execution core, integer-wise and floating-point wise, respectively. Piledriver includes improvements over the original Bulldozer microarchitecture: The platform itself looks fantastic but the processors are the key component for AMD.

CMT is a simpler but similar design philosophy to SMT ; both designs try to utilize execution units efficiently; in either method, when two threads compete for some execution pipelines, there is a loss in performance in one or more of the threads.

Behold Bulldozer’s second coming”. So Intel is stuck with 14nm on the desktop front for some time too. Retrieved 24 February In JanuaryMicrosoft released two hotfixes for Windows 7 and Server R2 that marginally improve the performance of Bulldozer CPUs by addressing the thread scheduling concerns raised after the release of Bulldozer. Excavator is the codename for the fourth-generation Bulldozer core.

So what comes after Zen?