AMD64 Opteron Released Today

The year's biggest Linux hardware event is the new AMD64 Opteron, which runs 64-bit and 32-bit Linux applications at the same time.

As far as most Linux users are concerned, Opteron is the most significant new hardware introduction so far this decade. Pick up the July issue of Linux Journal for a closer look. LJ also will be publishing more articles about 64-bit Linux on Opteron in the months to come. At release time, important partners, including distributions, ISVs and systems integrators, are offering Opteron support.

In advance of the release of the AMD64 Opteron processor, we had the opportunity to test a dual-processor SMP system with a 64-bit Linux distribution.

AMD64 Opteron Processors

The Opteron is a new device family based on a new 64-bit architecture that is compatible with the pre-existing x86 32-bit architecture. AMD's choice to preserve compatibility has positive implications for transmigrating 32-bit workloads.

The code name for the processor core is "Sledgehammer", and the device ships in a 940-pin ceramic micro PGA package. The current Opterons use nearly 106 million transistors in a 130nm Silicon on Insulator (SOI) process. The devices were fabricated at AMD's Fab30 in Dresden, Germany. The L1 cache has 128KB capacity, split into a 64KB instruction cache and a 64KB data cache. An on-chip L2 cache has a 1MB capacity.

AMD has a three-digit part numbering scheme for the Opterons. The first digit indicates the intended SMP scalability, which is two-way in the 1.8GHz Opteron Model 244 and the 1.6GHz Opteron Model 242 reviewed in this article. The second digit indicates relative performance within the scalability family. AMD also will manufacture a one-way Opteron for high-performance, lower-cost systems. Models 240, 242 and 244 are available at the time of this writing. The eight-way capable models 840, 842 and 844 are scheduled for May 2003, and model 144 is scheduled for Q3 of 2003.

Newisys 2100 Enterprise Class Server

The reference platform is called the 2100 and was realized by Newisys, Inc., a technology provider that presently has two years of experience with Opteron.

Figure 1: The Newisys 2100 puts two Opteron processors in a 1U enclosure.

The 2100, a 1U, two-processor, rackmountable system, is superbly engineered. The mechanical and electrical design offers reliability in a dense package, which can be seen in Figure 1. The evaluation system came with 6GB of PC2700 memory, but the server will support 16GB.

The two copper heatsinks in Figure 1 are the processors. Two speed grades are supported, the 1.6GHz Opteron Model 242 or the 1.8GHz Opteron Model 244. The Opterons link to each other and to the chipset using HyperTransport. The CPU-to-CPU bandwidth is 3.2GB/sec--in each direction (that is, full-duplex). The Opterons each have an internal memory controller that supports ECC DDR SDRAM at a bandwidth of 5.33GB/sec. There are two banks of memory, one next to each processor.

The AMD-8000 HyperTransport chipset includes an AMD-8131 HyperTransport PCI-X chip, as well as an AMD-8111 I/O hub chip. The AMD-8131 is configured to drive a full slot PCI-X 64-bit/133MHz at a 1GB/sec data rate, as well as a half slot PCI-X 64-bit/66MHz with a 0.51GB/sec data rate. The AMD-8131 also provides a pair of triple-mode NICs (10M/100M/1GB) and a dual Ultra SCSI RAID controller. The AMD-8111 chip provides a VGA port, IDE CD-ROM and a USB port. Separately, a SuperI/O chip provides floppy, keyboard, mouse and a conventional serial port.

The system also contains a separate embedded server management processor, a PowerPC running Linux. We'll have more on the capabilities of the management processor in the July issue.

Newisys partners include some well-known names in IT: Angstrom Microsystems, Appro, RackSaver, M&A Technology, Microway, New Technology Solutions, Inc. and Promicro.

Emacs Makes All Computers Slow (Except This One)

SuSE will offer Opteron support from day one. "We've been working with AMD for a couple years on this", said product manager Jay Migliaccio. SuSE Enterprise Server 8 builds from a common code base for all architectures, including IA-32 and AMD64, Migliaccio said. "Seamless migration is really the story here."

The main GUI environment supported on SuSE Linux Enterprise Server 8 is KDE 3.0, and the system comes with all the regular tools and applications usually expected from a SuSE distribution. One of the first things you notice when working with this system is that Emacs starts immediately, faster than you can blink.

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Re: AMD64 Opteron Released Today

Anonymous's picture

Mandrake Linux will be available too: http://www.mandrakelinux.com/en/92amd64beta.php3

Re: AMD64 Opteron Released Today

Anonymous's picture

Anybody checked the figures for the POWER 4...

Re: AMD64 Opteron Released Today

Anonymous's picture

Emacs part is very funny. But, I would really like to know how long does it take to start mozilla on the system.

Re: AMD64 Opteron Released Today

Anonymous's picture

Thats the reason to buy a 64 bit processor....Mozilla load time is a major factor there. "Uh, yeah....I had to get a new 64 bit proc so that Mozilla would load a few nanoseconds quicker."

Re: AMD64 Opteron Released Today

Anonymous's picture

For comparison, the results for a dual P4 Xeon at 3.06 GHz are:

SPECint_rate2000: base:21.5, peak: 22.2

SPECfp_rate2000: base: 16.7, peak: 17.0

These results came from http://www.specbench.org/cpu2000/results

Re: AMD64 Opteron Released Today

Anonymous's picture

What about Itanium, though? I'm too lazy to look up the figures myself. ;-)

Re: AMD64 Opteron Released Today

Anonymous's picture

Don't even think about that... Can you say 2,000+ USD door stop?

Re: AMD64 Opteron Released Today

Anonymous's picture

SPECint_rate2000: base:21.5, peak: 22.2

SPECfp_rate2000: base: 16.7, peak: 17.0

And to think...The Opteron is half the speed of the Xeon...

Re: AMD64 Opteron Released Today

Anonymous's picture

So I guess all the talk of the

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