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Intel Might Have Canceled Thunder Bay Hybrid SoC


Staff member
Mar 6, 2023
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Intel has quietly canceled its Thunder Bay hybrid system-on-chip (SoC) that combines standard general-purpose CPU Cores and Movidius Vision Processing Unit (VPU) cores. Such chips were aimed at commercial and Internet-of-Things (IoT) applications that relied on computer vision acceleration and edge-computing applications. According to the latest report, it appears that Thunder Bay is canceled as Intel has released a set of patches that removed the Thunder Bay code from the Linux kernel.

Intel kept Thunder bay details well hidden and while earlier rumors pointed to a combination of Intel Xeon x86 CPU cores and Movidius VPU cores, the only Thunder Bay support in Linux patches where showing a combination of ARM Cortex-A53 low-power cores with the Movidius VPU. Intel acquired Movidius back in 2016 and while it is not something that Intel talks about often, there are several products based on Movidius VPUs, including Neural Compute Stick, Intel drones, the Intel RealSense Tracking Camera, and most recently, the Intel Movidius 3700VC VPU, formerly Keem Bay. In any case, it appears that Intel is abandoning an idea of combining general purpose x86 CPU cores and Movidius VPU cores.

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Oct 12, 2008
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What is a VPU, anyway?
Intel® Movidius™ VPU
Intel® Movidius™ VPUs enable demanding computer vision and AI workloads with efficiency. By coupling highly parallel programmable compute with workload-specific AI hardware acceleration in a unique architecture that minimizes data movement, Movidius VPUs achieve a balance of power efficiency, and compute performance.