[training migration] Migrate GPT builder - #4741

Merged

maanug-nv merged 18 commits into

NVIDIA:mainfrom

maanug-nv:migrate-gpt-builder

Jun 1, 2026

Commits on May 21, 2026

copy gpt cfg and builder
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cda764e
update copyright year
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bafec69
integrate into pretrain_gpt via container
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bbf5135
fix import
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7c5d6e4
change default layer spec to none
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0bdeed1
helper to create gpt cfg from args
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40c3245
move assertion
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bc2ea8f
synchronize with gpt builders
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447ae0e
merge spec funcs
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ae37482
fix call
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3377de2
add unit tests
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dd56e7d
fix bug
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be89d55
fix tests
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64b45ec
fix tests
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66304bb
reapply lost fixes for agent comments
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bb5af57

Commits on Jun 1, 2026

revise comments
maanug-nv
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aaa76dc
Revert "move assertion"
maanug-nv
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ca0fdb9
revise priority in default layer spec helper
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511ba6e