Thu. Apr 18th, 2024

Nvidia CEO Jensen Huang confirmed off the primary iteration of Spectrum-X, the Spectrum-4 chip, with 100 billion transistors in a 90-millimeter by 90-millimeter die.

Nvidia

Nvidia CEO Jensen Huang, talking on the opening keynote of the Computex pc expertise convention, on Monday in Taipei, Taiwan, unveiled a bunch of recent merchandise, together with a brand new form of ethernet change devoted to transferring excessive volumes of information for synthetic intelligence (AI) duties. 

“How will we introduce a brand new ethernet, that’s backward appropriate with every part, to show each information heart right into a generative AI information heart?” posed Huang in his keynote. “For the very first time, we’re bringing the capabilities of high-performance computing into the ethernet market.”

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The Spectrum-X, because the household of ethernet merchandise is thought, is “the world’s first high-performance ethernet for AI”, based on Nvidia. A key function of the expertise is that it “does not drop packets”, stated Gilad Shainer, the senior vp of networking, in a media briefing. 

The primary iteration of Spectrum-X is Spectrum-4, stated Nvidia, which it known as “the world’s first 51Tb/sec Ethernet change constructed particularly for AI networks”.  The change works along with Nvidia’s BlueField data-processing unit, or DPU, chips that deal with information fetching and queueing, and Nvidia fiber-optic transceivers. The change can route 128 ports of 400-gigabit ethernet, or 64 800-gig ports, from finish to finish, the corporate stated.

Huang held up the silver Spectrum-4 ethernet change chip on stage, noting that it is “gigantic”, consisting of 100 billion transistors on a 90-millimeter by 90-millimeter die that is constructed with Taiwan Semiconductor Manufacturing’s “4N” course of expertise. The half runs at 500 watts, stated Huang. 

“For the very first time, we’re bringing the capabilities of high-performance computing into the ethernet market,” stated Huang. 

Nvidia

Spectrum-4 is the primary in a line of Spectrum-X chips.

Nvidia

Nvidia’s chip has the potential to vary the ethernet-networking market. The overwhelming majority of change silicon is equipped by chip maker Broadcom. These switches are bought to networking-equipment makers Cisco Techniques, Arista Networks, Excessive Networks, Juniper Networks, and others. These firms have been increasing their tools to raised deal with AI site visitors. 

The Spectrum-X household is constructed to deal with the bifurcation of information facilities into two types. One kind is what Huang known as “AI factories”, that are amenities that value a whole lot of tens of millions of {dollars} for essentially the most highly effective GPUs which can be primarily based on Nvidia’s NVLink and Infiniband, that are used for AI coaching, serving a small variety of very massive workloads.

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The opposite kind of information heart facility is AI cloud, which is multi-tenant, primarily based on ethernet, and handles a whole lot and a whole lot of workloads for patrons concurrently, and which is concentrated on issues resembling serving up the predictions to customers of AI, which will likely be served by the Spectrum-X. 

The Spectrum-X, stated Shainer, is ready to “unfold site visitors throughout the community in one of the best ways”, utilizing “a brand new mechanism for congestion management”, which averts a pile-up of packets that may occur within the reminiscence buffer of community routers.

“We use superior telemetry to grasp latencies throughout the community to establish hotspots earlier than they trigger something, to maintain it congestion-free.”

Nvidia stated in ready remarks that “the world’s high hyperscalers are adopting NVIDIA Spectrum-X, together with industry-leading cloud innovators.”

Nvidia is constructing a test-bed pc, it stated, at its Israel workplaces, known as Israel-1, a “generative AI supercomputer”, utilizing Dell PowerEdge XE9680 servers composed of H100 GPUs operating information throughout the Spectrum-4 switches.

All of the information at Computex is on the market in Nvidia’s newsroom.

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Along with the announcement of its new ethernet expertise, Huang’s keynote featured a brand new mannequin within the firm’s “DGX” sequence of computer systems for AI, the DGX GH200, which the corporate payments as “a brand new class of large-memory AI supercomputer for large generative AI fashions”.  

Generative AI refers to packages that produce greater than a rating, generally being textual content, generally being photos, and generally different artifacts, resembling OpenAI’s ChatGPT.

The GH200 is the primary system to ship with what the corporate calls its “superchip”, the Grace Hopper board, which incorporates on a single circuit board a Hopper GPU, and the Grace CPU, a CPU primarily based on ARM instruction set that’s meant to compete with x86 CPUs from Intel and Superior Micro Gadgets.

Nvidia’s Grace Hopper “superchip”.

Nvidia

The primary iteration of Grace Hopper, the GH200, is “in full manufacturing”, stated Huang. Nvidia stated in a press launch that “world hyperscalers and supercomputing facilities in Europe and the U.S. are amongst a number of clients that may have entry to GH200-powered techniques.”

The DGX GH200 combines 256 of the superchips, stated Nvidia, to realize a mixed 1 exaflops — ten to the facility of 18, or, one billion, billion floating level operations per second — using 144 terabytes of shared reminiscence. The pc is 500 instances as quick as the unique DGX A100 machine launched in 2020, based on Nvidia.

The keynote additionally unveiled MGX, a reference structure for system makers to rapidly and affordably construct 100-plus server variations. The primary companions to make use of the spec are ASRock Rack, ASUS, GIGABYTE, Pegatron, QCT, and Supermicro, with QCT and Supermicro to be first to market with techniques, in August, stated Nvidia.

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Your entire keynote might be seen as a replay from the Nvidia web site.

MGX is a reference structure for pc system makers.

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