Actually do sequence packing

config/data/dolma_llama.yaml

@@ -0,0 +1,200 @@
+cache_dir: null
+cache_options:
+  batch_size: 128
+  num_shard_groups: 128
+  target_size_per_flush: 512MB
+configs:
+  dolma/algebraic-stack:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/algebraic-stack-cc00cf
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/algebraic-stack-train-{0000..0015}.json.gz
+    validation_urls: []
+  dolma/arxiv:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/arxiv-07a51f
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/arxiv-{0000..0099}.json.gz
+    validation_urls: []
+  dolma/c4:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/c4-e0e5ec
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/c4-{0000..0170}.json.gz
+    validation_urls: []
+  dolma/cc:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/cc-74b017
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/cc_en_head-{0000..0274}.json.gz
+    - gs://marin-us-central2/raw/dolma/v1.7/cc_en_middle-{0000..0238}.json.gz
+    - gs://marin-us-central2/raw/dolma/v1.7/cc_en_middle-{0240..0379}.json.gz
+    - gs://marin-us-central2/raw/dolma/v1.7/cc_en_tail-{0000..0152}.json.gz
+    - gs://marin-us-central2/raw/dolma/v1.7/cc_en_tail-{0154..0444}.json.gz
+    validation_urls: []
+  dolma/cc-news:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/cc-news-625d3e
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/cc_news_head-{0000..0004}.json.gz
+    - gs://marin-us-central2/raw/dolma/v1.7/cc_news_middle-{0000..0002}.json.gz
+    - gs://marin-us-central2/raw/dolma/v1.7/cc_news_tail-0000.json.gz
+    validation_urls: []
+  dolma/falcon:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/falcon-da8fd0
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/falcon-{0000..0499}.json.gz
+    validation_urls: []
+  dolma/flan:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/flan-a99cb2
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/tulu_flan-{0000..0065}.json.gz
+    validation_urls: []
+  dolma/gutenberg:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/gutenberg-f9eb99
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/books-{0000..0002}.json.gz
+    validation_urls: []
+  dolma/megawika:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/megawika-34abf2
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/megawika-{0000..0261}.json.gz
+    validation_urls: []
+  dolma/open-web-math:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/open-web-math-79823d
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/open-web-math-train-{0000..0012}.json.gz
+    validation_urls: []
+  dolma/pes2o:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/pes2o-538363
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/pes2o-{0000..0025}.json.gz
+    validation_urls: []
+  dolma/reddit:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/reddit-62a64a
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/reddit-{0000..0077}.json.gz
+    validation_urls: []
+  dolma/stackexchange:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/stackexchange-adfc49
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/stackexchange-{0000..0025}.json.gz
+    validation_urls: []
+  dolma/starcoder:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/starcoder-8b6089
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/starcoder-{0000..0048}.json.gz
+    validation_urls: []
+  dolma/wiki:
+    cache_dir: gs://marin-us-west4/tokenized/dolma/wiki-212315
+    id: null
+    name: null
+    plaintext: false
+    stream: true
+    tags: []
+    text_key: text
+    train_urls:
+    - gs://marin-us-central2/raw/dolma/v1.7/wiki-{0000..0001}.json.gz
+    validation_urls: []
+enforce_eos: true
+ignore_token_id: null
+mixture_block_size: 2048
+shuffle: true
+stop_strategy: restart
+tokenizer: nvidia/Llama-3.1-Nemotron-70B-Instruct-HF
+train_weights:
+  dolma/algebraic-stack: 12.6
+  dolma/arxiv: 28.0
+  dolma/c4: 124.95
+  dolma/cc: 597.75
+  dolma/cc-news: 14.3
+  dolma/falcon: 456.4
+  dolma/flan: 16.5
+  dolma/gutenberg: 5.3
+  dolma/megawika: 4.6
+  dolma/open-web-math: 12.6
+  dolma/pes2o: 57.2
+  dolma/reddit: 79.9
+  dolma/stackexchange: 19.6
+  dolma/starcoder: 263.8
+  dolma/wiki: 7.4
+vocab_size: null