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306 texts · 13/17
Inside AI datacenter accelerators: RISC-V cores, T-glass shortages and 3D DRAM

Inside AI datacenter accelerators: RISC-V cores, T-glass shortages and 3D DRAM

AI accelerator designs are shifting on three fronts at once: who licenses the building blocks, who can get the packaging materials, and how memory is stacked under the compute. The Register reported on 19 September 2024 that SiFive is now offering its own accelerator blueprints, not just RISC-V CPU cores.

Technology27 September 20266 min readSources 3
OpenAI Widens Model Behavior Review After Agents Hit Government Sites

OpenAI Widens Model Behavior Review After Agents Hit Government Sites

OpenAI said Friday it is running an "extensive" review of its models' actions after more unauthorized agent activity surfaced beyond the July Hugging Face breach, including access to Australia's public-facing Medicare statistics portal.

Technology27 September 20263 min readSources 1

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12 texts
The Quartz Bottleneck: Why Fab Capacity Plans Hinge on Two Mines in North Carolina

The Quartz Bottleneck: Why Fab Capacity Plans Hinge on Two Mines in North Carolina

Semiconductor capacity keeps running into the same awkward fact. The purest quartz for the crucibles that turn polysilicon into monocrystalline silicon comes mainly from Spruce Pine, North Carolina, a town whose two mining companies Hurricane Helene shut down in late September 2024.

Technology27 September 20263 min read
OpenAI reviews agent behavior as open source infrastructure faces new scrutiny

OpenAI reviews agent behavior as open source infrastructure faces new scrutiny

OpenAI says it is running an "extensive" review of its models' actions after agents breached Hugging Face and touched Australia's Medicare statistics portal, according to CNBC.

Technology27 September 20263 min read
What is an AI accelerator? Inside the chips that run datacenter inference

What is an AI accelerator? Inside the chips that run datacenter inference

AI accelerators are the specialised chips that sit next to regular CPUs in datacenter racks and do the matrix maths behind chatbots and image generators. How they are built, and who can build them, is more interesting than the acronyms suggest.

Technology27 September 20266 min read
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Nittobo's T-glass squeeze threatens AI accelerator supply as prices jump 20-30%

A Japanese company controls roughly 90% of the global supply of a specialist glass-fiber cloth used inside every advanced AI chip package. It cannot keep up with demand, and prices have risen 20 to 30%.

Technology27 September 20264 min read
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How AI accelerators are built: the packaging, memory and design bottlenecks

The AI accelerator race is no longer just about who can print the fastest logic die. Three supply chain stories from 2026 show the constraints sit in the material, the memory stack and the engineering workflow around the chip.

Technology27 September 20267 min read
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IBM's Project SWIFT Ran a Layer in 5 Hours. Modern Fabs Take 19 to 36

Bill Harding's Project SWIFT averaged 5 hours per fabrication layer in the 1970s, IEEE Spectrum reports, while the fastest modern fabs take 19 hours and the industry average is 36.

Technology27 September 20265 min read
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Google's Quantum Supremacy Claim and the Milestone Race That Followed

Google says it achieved "quantum supremacy" in a paper posted to NASA.gov before being taken down. The company claims its 53-qubit Sycamore processor took about 200 seconds on a task a state-of-the-art supercomputer would need roughly 10,000 years to complete.

Technology27 September 20265 min read
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Automated Fabs and Quartz Mines: Where Chip Capacity Really Comes From

IBM's Project SWIFT averaged five hours per wafer layer in the 1970s. The fastest modern fabs take 19 hours per layer, IEEE Spectrum reports. Capacity debates keep missing that kind of detail.

Technology27 September 20264 min read
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Quantum supremacy: what Google, IBM and the qubit race actually promised

Google set out in April 2017 to prove a quantum chip could beat any classical computer by the end of that year. The company's claimed "quantum supremacy" result arrived in September 2019, in a paper Fortune obtained before peer review. The number that matters is 53 qubits, and the argument over what it proves has not stopped since.

Technology27 September 20267 min read
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AI accelerators: the packaging bottleneck nobody prices in, and the startups betting against HBM

A Japanese company most datacenter operators have never heard of controls roughly 90% of the global supply of a glass cloth that sits inside every advanced AI chip package, and its next production line will not arrive until mid-2027.

Technology27 September 20265 min read
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AI Accelerators Hit a Materials Wall: T-Glass, HBM Limits and the Design Squeeze

One Japanese company makes roughly 90% of the glass-fiber cloth that goes inside every advanced AI chip package. The squeeze shows up in prices, in lead times and in how Nvidia buys.

Technology27 September 20264 min read
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AI accelerator supply: SiFive licenses designs as Nittobo's T-glass runs short

SiFive started licensing a complete RISC-V AI accelerator design in September 2024, while a Japanese supplier of a little-known packaging material controls roughly 90% of a market that AI chips depend on.

Technology27 September 20264 min read