feat: add Qwen3-8B pre-training sample (H200 vs B300, NeMo/Megatron) - #1138

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Commits on Jun 18, 2026

feat: add Qwen3-8B pre-training sample (H200 vs B300, NeMo/Megatron)
paragao
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1428c9c
fix: correct Dockerfile EFA build sequence (tested on B300)
paragao
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cd5b90a
fix: address review - correct architecture, restructure to megatron/nemo/, MIT-0 headers
paragao
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012037b

Commits on Jun 19, 2026

Update 3.test_cases/megatron/nemo/qwen3-8b-pretraining/README.md

paragao
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KeitaW
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