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ARM Holdings, a leading developer of microprocessor technologies for low-power applications, said late on Monday that it has signed two licenses for its intellectual property for use in servers. One undisclosed company has licensed ARMv8-based 64-bit code-named Atlas design, whereas another major company has signed license to use ARMv7-powered 32-bit ARM Cortex-A15 technology.

"[We] have two [server] licensees there [that] we put in the earnings release, one in driving a new lead partner for Atlas and one is a Cortex-A15. [...] Obviously, these are high-end processors, they are high-value products from ARM and therefore, more likely to be sold to larger semiconductor companies with more resource to take on those sorts to a very large-scale development," said Warren East, chief executive officer of ARM, during a quarterly question and answer session with financial analysts.

There are a number of companies developing server solutions based on ARM architecture, at present we know about Applied Micro, Calxeda, Marvell, Nvidia and even Samsung Semiconductor.

Applied Micro is working on X-Gene powered by ARMv8, which means that it hardly uses Atlas implementation; Calxeda currently has ARMv7/Cortex-A9-based system-on-chip with ECC memory and other server-specific technology; Nvidia is working on code-named project Denver solution that is a mystery so far; Samsung has already launched its first Cortex-A15 SoC for consumer devices, but it is rumoured that it is working on server-specific ARM chips. Other major partners of ARM, such as Qualcomm and Texas Instruments, have not yet confirmed interest in developing server solutions.

The ARMv8 architecture consists of two main execution states, AArch64 and AArch32. The AArch64 execution state introduces a new instruction set, A64 for 64-bit processing. The AArch32 state supports the existing ARM instruction set. The key features of the current ARMv7 architecture, including TrustZone, virtualization and NEON advanced SIMD, are maintained or extended in the ARMv8 architecture.

The ARMv8 architecture will enable the development of ARM architecture compatible devices that can be designed to maximize the benefits across both 32-bit and 64-bit application areas. This will bring the advantages of energy-efficient 64-bit computing to new applications, like servers, but will also make difference for traditional ARM-based devices, e.g., tablets and smartphones. With ARMv8 chips incoming already this year, it is likely that the first actual products will become available sometimes in 2013.

Tags: ARM, ARMv8, Atlas, Apollo, Cortex


Comments currently: 11
Discussion started: 04/24/12 03:05:34 PM
Latest comment: 07/13/16 10:58:29 AM
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Why are these companies so eager to build ARM based server SOCs when MIPS has had low power 64bit solutions for decades. It's a bit puzzling and unfair i would say.
1 0 [Posted by: Milli  | Date: 04/24/12 03:05:34 PM]
- collapse thread

Because even though ARM is having trouble scaling to a level that is truly useful in servers, MIPs is not even coming close to being powerful enough.
0 0 [Posted by: daneren2005  | Date: 04/24/12 04:52:59 PM]
That's not true. There are enough MIPS designs out there that even an A15 won't touch.
1 0 [Posted by: Milli  | Date: 04/25/12 04:36:16 AM]
Because MIPS based servers are already in use in network domain (so they are used). Search for Cavium and others.
0 0 [Posted by: kgardas  | Date: 04/25/12 12:16:40 AM]
I know and that's my whole point. Why not just continue down that route.
1 0 [Posted by: Milli  | Date: 04/25/12 04:41:16 AM]

I guess some of the server like Facebook does not require a lot of computing horse power. Power efficiency is more important.

However, the power efficiency advantage of ARM is not as much as they claimed. Intel already launched x86 phone that has same power envelop yet better performance than a comparable ARM phone.

In server, if the advantage of new architecture is not compelling, do you think any customer would change software?
0 0 [Posted by: Tukee44  | Date: 04/24/12 07:43:19 PM]
- collapse thread

Intel's advantage comes mainly from their specifically optimized production process, and now with 22nm 3D transistors... even more so.
What happens if somehow an ARM chip gets made with Intel's production tech, though?
Makes you wonder...
0 0 [Posted by: carpo  | Date: 04/24/12 11:32:49 PM]
Cortex A9 is in most things faster then Atom and Cortex A15 is 2-2.5 x faster then A9. Boot are 3-4 times more power efficient then Atom!
0 0 [Posted by: Zola  | Date: 04/26/12 06:24:44 AM]

ARM V7 cortex A15 is per core and per MHz in between Amd 10+ and Pentium M - Core 2 duo.
Based on mips per secund.
Power max per core working on 2500 MHz is 1 wat min is 0.2 wats.
Only thing that's mising is 64 bit support that will come next year wit V8 architecture.
0 0 [Posted by: Zola  | Date: 04/26/12 06:12:04 AM]

we?e been reading v7 v8 a9 a15... now what about v9 v10 and a21 just skipping 6 number as in a9 to a15. how about skipping 12?
0 0 [Posted by: idonotknow  | Date: 05/10/12 12:27:05 PM]


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