Sharing QKV projections in Transformers
A paper published on July 2, 2026 evaluates attention variants that share projections and reports that equating key and value was excessive for the author's small ternary LLMs.
Source: Estudo de Projeções QKV Compartilhadas em Transformers (arxiv.org). Text prepared with AI from this source.
What happened and what to do
The paper, published on July 2, 2026, evaluates Transformer variants that share key and value, query and key, or all three projections. The author reports that setting key equal to value was excessive for their small ternary LLMs. Sharing can reduce the number of distinct attention projections and help guide architecture choices.
A company developing or operating models can compare these variants for its own use cases, measuring quality, resource consumption, and performance before adopting an architecture. This can be organized as a reproducible evaluation process, with results collection and a dashboard to support the decision.
How the consultancy can help
Wendelmaques can diagnose the opportunity in the context of your models, define a comparative evaluation, and implement the testing, monitoring, and results analysis pipeline on your infrastructure.
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