<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Xpu on QSysArch - Quantum Computer System Architecture</title><link>https://qsysarch.com/categories/xpu/</link><description>Recent content in Xpu on QSysArch - Quantum Computer System Architecture</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Sun, 28 Jun 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://qsysarch.com/categories/xpu/index.xml" rel="self" type="application/rss+xml"/><item><title>xPUs: Hardware Acceleration Micro-Architectures</title><link>https://qsysarch.com/posts/ai-inference-hardware-acceleration-architecture/</link><pubDate>Sun, 28 Jun 2026 00:00:00 +0000</pubDate><guid>https://qsysarch.com/posts/ai-inference-hardware-acceleration-architecture/</guid><description>&lt;p&gt;xPU: It is an umbrella term for a specialised Processing Unit (PU), where &amp;ldquo;x&amp;rdquo; can represent any computing architecture customised for a specific workload. Common variations include GPUs (graphics), TPUs (tensor/AI), NPUs (neural), DPUs (data), or PPUs (pulse, mainly used for quantum control stacks).&lt;/p&gt;
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&lt;img class="glightbox" src="https://qsysarch.com/images/gpxpus/xpu-system-architecture.webp" alt="XPUs: Specialized Coprocessing System Architecture" /&gt;&lt;/p&gt;
&lt;p&gt;This super-short memo aims to provide insights into the xPU market landscape as applied to AI inference.&lt;/p&gt;
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 Market Landscape
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&lt;p&gt;When looking at the market landscape for AI inference Asic, the most useful axis may not be raw performance but whether a vendor&amp;rsquo;s differentiation is defensible over a 3–5 year horizon. From this angle, Three clusters emerge:&lt;/p&gt;</description></item></channel></rss>