Hyperdimensional Computing LabsA practical introduction to hyperdimensional computing, with applied research and engineering around associative search, connected data, and online learning.https://hyperdimensionalcomputing.ai/Testing the limits of bundling capacity (2)https://hyperdimensionalcomputing.ai/blog/testing-the-limits-of-bundling-capacity-2/https://hyperdimensionalcomputing.ai/blog/testing-the-limits-of-bundling-capacity-2/How many records fit in a 2,048-dimensional hyperspace before unrelated records start to look alike? Our experiments suggest that the answer depends on how many comparisons we make.Thu, 15 Oct 2026 00:00:00 GMTReviewing TrainableHD: What changes when the encoder learns?https://hyperdimensionalcomputing.ai/blog/trainablehd-review/https://hyperdimensionalcomputing.ai/blog/trainablehd-review/How TrainableHD learns its encoder as well as its classes. We follow a mistake through training, work through an incident example, and examine the costs of deployment.Fri, 09 Oct 2026 00:00:00 GMTTesting the limits of bundling capacity (1)https://hyperdimensionalcomputing.ai/blog/testing-the-limits-of-bundling-capacity-1/https://hyperdimensionalcomputing.ai/blog/testing-the-limits-of-bundling-capacity-1/What happens as we pack more and more facts into a bundle? We study the limits of bundling capacity with a 50-item questionnaire.Fri, 02 Oct 2026 00:00:00 GMTWhat do cleanup and crosstalk mean in HDC?https://hyperdimensionalcomputing.ai/blog/what-do-cleanup-and-crosstalk-mean-in-hdc/https://hyperdimensionalcomputing.ai/blog/what-do-cleanup-and-crosstalk-mean-in-hdc/A look back at how the HDC literature describes the terms "cleanup" and "crosstalk", and how we can view both terms through a modern lens using vector search in LanceDB.Wed, 30 Sep 2026 00:00:00 GMTDurable memory, transient prototypeshttps://hyperdimensionalcomputing.ai/blog/durable-memory-transient-prototypes/https://hyperdimensionalcomputing.ai/blog/durable-memory-transient-prototypes/An HDC experiment that separates stored examples from temporary class summaries, and compares rebuilding with caching.Mon, 28 Sep 2026 00:00:00 GMTHow HDC connects predictions to clinical evidencehttps://hyperdimensionalcomputing.ai/whats-possible/show-me-why-this-case-matched/https://hyperdimensionalcomputing.ai/whats-possible/show-me-why-this-case-matched/Explore how HDC combines medical imaging and clinical language to classify retinal disease and support review of AI predictions.Wed, 23 Sep 2026 00:00:00 GMTFind the case that fits nowhttps://hyperdimensionalcomputing.ai/whats-possible/find-the-case-that-fits-now/https://hyperdimensionalcomputing.ai/whats-possible/find-the-case-that-fits-now/The most similar past incident may not be the most useful. What if search could take today's equipment, conditions, and resources into account?Tue, 22 Sep 2026 00:00:00 GMTHow context can change a retrieval rankinghttps://hyperdimensionalcomputing.ai/blog/context-sensitive-retrieval/https://hyperdimensionalcomputing.ai/blog/context-sensitive-retrieval/Why shared bipolar binding preserves a ranking, how weighted similarity can change it, and what remains to be tested for useful retrieval.Mon, 21 Sep 2026 00:00:00 GMTSemantic compression inside wide hypervectorshttps://hyperdimensionalcomputing.ai/blog/semantic-compression-wide-hypervectors/https://hyperdimensionalcomputing.ai/blog/semantic-compression-wide-hypervectors/How a compact abstraction can use thousands of coordinates, and what the extra width buys an HDC system.Thu, 17 Sep 2026 00:00:00 GMTTurn graph data into hypervectors for associative searchhttps://hyperdimensionalcomputing.ai/blog/from-a-property-graph-to-associative-search/https://hyperdimensionalcomputing.ai/blog/from-a-property-graph-to-associative-search/Learn how to encode node properties and edge direction with HDC, compose a partial query, and resolve similarity matches back to exact graph records.Mon, 14 Sep 2026 00:00:00 GMTYour data is connected. Can you find a pattern like this one?https://hyperdimensionalcomputing.ai/whats-possible/your-data-is-connected/https://hyperdimensionalcomputing.ai/whats-possible/your-data-is-connected/A delayed sales order shows how searching connected patterns could help teams find useful past cases, then check the facts in a graph.Sat, 12 Sep 2026 00:00:00 GMTWhen AI remembers what happened after the answerhttps://hyperdimensionalcomputing.ai/whats-possible/when-ai-remembers-what-happened/https://hyperdimensionalcomputing.ai/whats-possible/when-ai-remembers-what-happened/A warehouse robot's detour shows how connected evidence and HDC memory could help AI reuse experience while checking what is valid now.Fri, 11 Sep 2026 00:00:00 GMTWhat can we recover from a bundled hypervector?https://hyperdimensionalcomputing.ai/blog/what-can-we-recover-from-a-bundled-hypervector/https://hyperdimensionalcomputing.ai/blog/what-can-we-recover-from-a-bundled-hypervector/Five MAP experiments explore how bundled hypervectors support semantic retrieval, explainable scores, query preferences, and removal of known facts.Wed, 09 Sep 2026 00:00:00 GMTA category is something a system doeshttps://hyperdimensionalcomputing.ai/blog/a-category-is-something-a-system-does/https://hyperdimensionalcomputing.ai/blog/a-category-is-something-a-system-does/What a new neuroscience framework proposes about context, compression, and action, and how HDC could turn those ideas into a computational architecture.Fri, 04 Sep 2026 00:00:00 GMTDoes HDC fit the physics of light? Reviewing PhotoHDChttps://hyperdimensionalcomputing.ai/blog/photohdc-review/https://hyperdimensionalcomputing.ai/blog/photohdc-review/A critical review of PhotoHDC's modeled electro-photonic accelerator, what its evidence supports, and how OLIX and recent optical HDC work sharpen the deployment question.Wed, 02 Sep 2026 00:00:00 GMTDo HRR and MAP preserve the same similarity structure?https://hyperdimensionalcomputing.ai/blog/hrr-map-similarity/https://hyperdimensionalcomputing.ai/blog/hrr-map-similarity/A reproducible experiment that tests whether HRR and MAP preserve the same similarity structure in a shared encoder.Mon, 31 Aug 2026 00:00:00 GMTThe (not so surprising) similarities between HDC algebrashttps://hyperdimensionalcomputing.ai/blog/similarities-between-hdc-algebras/https://hyperdimensionalcomputing.ai/blog/similarities-between-hdc-algebras/How HRR, BSC, and MAP implement the same broad VSA computation shape despite using different hyperspaces and mathematical operations.Sun, 30 Aug 2026 00:00:00 GMTCan a compiler spend HDC's accuracy budget? Reviewing ApproxHDChttps://hyperdimensionalcomputing.ai/blog/approxhdc/https://hyperdimensionalcomputing.ai/blog/approxhdc/How ApproxHDC searches application, compiler, and simulated-hardware choices to trade HDC task quality for speed and energy efficiency, and what the reported evidence establishes.Fri, 28 Aug 2026 00:00:00 GMTWhy connected data needs associative searchhttps://hyperdimensionalcomputing.ai/blog/why-connected-data-needs-associative-search/https://hyperdimensionalcomputing.ai/blog/why-connected-data-needs-associative-search/Graph search follows exact relationships, while associative search finds similar situations from incomplete examples.Tue, 25 Aug 2026 00:00:00 GMTCan hypervectors learn the hardware they run on?https://hyperdimensionalcomputing.ai/blog/hardware-aware-hdc/https://hyperdimensionalcomputing.ai/blog/hardware-aware-hdc/How learnable HDC encoders can adapt similarity geometry to modeled compute-in-memory nonlinearities, and what the current evidence establishes.Sun, 23 Aug 2026 00:00:00 GMTHow HDC complements deep learninghttps://hyperdimensionalcomputing.ai/blog/how-hdc-complements-deep-learning/https://hyperdimensionalcomputing.ai/blog/how-hdc-complements-deep-learning/Why the future of AI may be hybrid: deep learning learns powerful representations, while HDC complements it with compositional operations, associative memory, and lightweight adaptation.Fri, 21 Aug 2026 00:00:00 GMTWhat does an HDC graph encoder remember? Reviewing GraphHD-Orderhttps://hyperdimensionalcomputing.ai/blog/graphhd-order/https://hyperdimensionalcomputing.ai/blog/graphhd-order/A close look at what GraphHD and GraphHD-Order preserve, what the reported results establish, and what the released implementation leaves unresolved.Wed, 19 Aug 2026 00:00:00 GMTWhere does meaning in a hypervector come from?https://hyperdimensionalcomputing.ai/blog/where-does-meaning-in-a-hypervector-come-from/https://hyperdimensionalcomputing.ai/blog/where-does-meaning-in-a-hypervector-come-from/How projecting learned representations brings useful notions of similarity into hypervector space.Tue, 18 Aug 2026 00:00:00 GMTWhy permutation matters in HDChttps://hyperdimensionalcomputing.ai/blog/permutation-in-hdc/https://hyperdimensionalcomputing.ai/blog/permutation-in-hdc/An introduction to the role of permutation in hyperdimensional computing and how it preserves structural information in ways that multiplicative binding cannot.Sun, 16 Aug 2026 00:00:00 GMTA brief history of vector symbolic architectureshttps://hyperdimensionalcomputing.ai/blog/a-brief-history-of-vsa/https://hyperdimensionalcomputing.ai/blog/a-brief-history-of-vsa/How the problem of representing structured knowledge in distributed systems gave rise to the family now known as HDC and VSA.Thu, 13 Aug 2026 00:00:00 GMTThe Holographic Nature of Hypervectorshttps://hyperdimensionalcomputing.ai/blog/holographic-hypervectors/https://hyperdimensionalcomputing.ai/blog/holographic-hypervectors/How Hyperdimensional Computing distributes information across an entire hypervector, helping representations degrade gradually under noise.Mon, 10 Aug 2026 00:00:00 GMTWhat is a Hypervector?https://hyperdimensionalcomputing.ai/blog/what-are-hypervectors/https://hyperdimensionalcomputing.ai/blog/what-are-hypervectors/A closer look at the high-dimensional, distributed mathematical objects that give hyperdimensional computing its unusual geometry.Thu, 06 Aug 2026 00:00:00 GMTIntroduction to Hyperdimensional Computinghttps://hyperdimensionalcomputing.ai/blog/hdc-intro/https://hyperdimensionalcomputing.ai/blog/hdc-intro/A gentle introduction to how hyperdimensional computing represents, combines, and retrieves information using high-dimensional hypervectors.Mon, 03 Aug 2026 00:00:00 GMT