~/talk

Dissecting Clojure Reducers

on YouTube 39m
Talkat Strange Loop 2013 · 2013-09-18..09-20· [machine-learning]

speaker

name:Renzo Borgatti
links:none on file

resources

video:https://youtu.be/YDnVbso38fY
slides:none on file

summary

Claim: Clojure reducers let you compose mapping and reducing so transformation and accumulation run in a single parallel loop. Implementation details shown: rewrite from scratch using fork/join (jsr166), Clojure protocols and reified collections that push transformations into the collection, plus a fold wrapper to match reduce semantics. Built artifact: a parallel word‑count tool pwc parallel wc that demonstrates the approach but currently runs slower than GNU wc (about 10–15s overhead) and needs regex and typing optimizations.

AI-written summary · about

chapters (5)

  1. 0:00Start
  2. 0:58Polite warning
  3. 1:11Just enough background
  4. 3:08What you will see
  5. 3:25Our goal

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