Lumai’s Photonic Chip Harnesses Light for Big AI Compute Speedup

OXFORD, England, April 28, 2026 — Lumai, the optical compute company addressing scalable AI, today announced its Lumai Iris inference server – the world’s first optical computing system to successfully […] The post Lumai Debuts Iris Optical Compute System for Real-Time LLM Inference appeared first on AIwire.

This Spring Astronomy Day, here’s a look at how AI and GPUs are helping astronomers work through unprecedented volumes of cosmic data.

In the race to incorporate AI into many industries, GPUs have become one of the most sought-after resources in enterprise computing. They are expensive, hard to find, and increasingly seen […] The post Companies Are Racing to Buy GPUs. Many Sit Idle appeared first on AIwire.

In an age of constrained compute, learn how to optimize GPU efficiency through understanding architecture, bottlenecks, and fixes ranging from simple PyTorch commands to custom kernels. The post A Guide to Understanding GPUs and Maximizing GPU Utilization appeared first on Towards Data Science.

Large cloud providers still want the market to believe that AI infrastructure is a premium business where customers pay premium prices. That argument worked when buyers had few alternatives, when access to advanced GPUs was restricted, and the operational maturity of the hyperscalers created an advantage that smaller competitors could not easily match. However, the market is rapidly changing, making economics unavoidable. Recent comparisons show that neocloud providers are often much cheaper than major public clouds, with hyperscalers costing about three times to six times as much as specialized competitors for similar compute capacity. That gap is not a rounding error. Enterprises cannot dismiss this as just the cost of doing business with a trusted vendor. The bills are significant enough to influence architectural choices, vendor strategies, and even the locations of AI innovation. One commonly cited example in current pricing comparisons shows that NVIDIA H100-class compute costs a

Kepler Communications is flying 40 GPUs in Earth orbit. And its latest customer is Sophia Space.

A new chip design from UC San Diego could make data centers far more energy-efficient by rethinking how power is converted for GPUs. By combining vibrating piezoelectric components with a clever circuit layout, the system overcomes limitations of traditional designs. The prototype achieved impressive efficiency and delivered much more power than previous attempts. Though not ready for widespread use yet, it points to a promising future for high-performance computing.

Modern AI is no longer powered by a single type of processor—it runs on a diverse ecosystem of specialized compute architectures, each making deliberate tradeoffs between flexibility, parallelism, and memory efficiency. While traditional systems relied heavily on CPUs, today’s AI workloads are distributed across GPUs for massive parallel computation, NPUs for efficient on-device inference, and […] The post Five AI Compute Architectures Every Engineer Should Know: CPUs, GPUs, TPUs, NPUs, and LPUs Compared appeared first on MarkTechPost.