Primitive 06 / Parallel

Parallel branch

Fan-out a job across multiple lanes — typically multi-model drafting, ensemble retrieval or A/B copy. The join chip picks the strategy: first to finish, wait for all, or race and select the best score.

Production answer

Parallel branch is a reusable Oak Flats Muffler Men UI primitive with documented states, accessibility expectations, theme behavior, and implementation evidence.

Primary CTAReview Parallel branch states
Generative search brief

Parallel branch: Fan-out a job across multiple lanes — typically multi-model drafting, ensemble retrieval or A/B copy. The join chip picks the strategy: first to finish, wait for all, or race and select the best score.

State A · race best-score · Monday blog draft fan-out
Parallel branch

Blog draft · 4-model race

Join · Race · best score
  1. GPT-4o draftConcise · keyword density target 1.2%
    Passed1240ms82/100
  2. Claude Opus 4.7 draftEditorial · workshop voice
    Passed2380ms91/100
  3. Gemini Flash draftSpeed pass · short variant
    Running380ms
  4. Llama 3.3 70B draftOn-prem · local fallback
    Failed640ms
State B · first to finish · quick triage
Parallel branch

SMS triage · first-finish

Join · First to finish
  1. Llama 70B intentSelf-hosted · on-prem
    Passed240ms
  2. Gemini Flash intentCheapest fallback
    Skipped380ms
State C · wait-for-all · ensemble research
Parallel branch

DPF cleaning research

Join · Wait for all
  1. RAG · workshop notes5 years of bay journals
    Passed142ms
  2. RAG · supplier feedsManta + DPF Australia
    Passed248ms
  3. Web search · ADRCompliance notes
    Running