Tutorvo

The First Merge: Rewriting Every Word with IF on Neighbouring Cells and Closing the Gaps

Lesson 3 of 817 minLab

This lesson is part of the course

In this lesson

You apply the first learned merge «a» + «t» to every word: mark merged tokens with IF and AND on neighbouring cells, close the gaps with INDEX and SMALL, count tokens per word and see the corpus shrink from 98 to 70 tokens.

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Lessons in this course

  1. Characters and Frequencies: A Toy Word List, Characters per Word and the Starting VocabularyLab14 min Locked
  2. Pair Counts: Adjacent Pairs per Word, One Token per Cell, Weighted by Word FrequencyLab15 min Locked
  3. The First Merge: Rewriting Every Word with IF on Neighbouring Cells and Closing the GapsLab17 min Locked
  4. Several Merges: A Merge Table, the Vocabulary After Each Step and Tokens per Word ShrinkingLab15 min Locked
  5. Tokenizing New Words: Applying the Merges in Order, Unknown Characters and FallbacksLab16 min Locked
  6. Compression: Tokens per Word, Characters per Token and the Effect of More MergesLab14 min Locked
  7. Vocabulary Trade-offs: Vocabulary × Embedding Width = Parameters, Sequence Length vs Vocabulary SizeLab15 min Locked
  8. Token Budgets & Dashboard: Tokens per Toy Document, Cost at a Fictional Price per 1,000 Tokens and a ChartLab17 min Locked