# recipes/qwen3.5-397b-a17b/h100/attune-tp2-pp16-ep8.yaml
# An OpenRecipes recipe; the fields are documented in schema/recipe.schema.yaml.
schema_version: 1
model: Qwen3.5-397B-A17B
gpu:
  type: H100
  memory_gb: 80
  count: 128
  per_node: 8
  instance: AWS p5.48xlarge
author:
  name: ATTUNE
  url: https://arxiv.org/abs/2610.17528
status: verified
stack:
  framework: 'slime 0.3.0: THUDM/slime a897e1f plus 8 commits that do not change the training step'
  megatron_lm: commit 1dcf0daf (megatron-core 0.16.0rc0), with a backported upstream fix for the Qwen3.5 attention output
    gate at TP above the query-group count
  transformer_engine: 2.10.0
  pytorch: 2.11.0 (CUDA 12.9 build)
  cuda: '12.9'
  nccl: 2.28.9 (CUDA 12.9 build; printed by the measured run)
  deepep: 1.2.1
  python: '3.12'
  network: 8 GPUs per node, EFA, 3.2 Tb/s RDMA per node
  source: 'in-pod environment dump of the measured run''s training image (same digest), taken by the component tests on
    2026-10-11: installed TE, PyTorch and DeepEP, Megatron-LM git commit; NCCL from the measured run''s log'
workload:
  row_tokens: 8192
  rows: SFT conversations
  global_batch: 128
  precision: bf16
  dataset:
    name: Tulu 3 SFT mixture
    source: allenai/tulu-3-sft-mixture
    revision: b14afda60f1bbebe55d5d2fa1e4df5042f97f8be
    license: ODC-By 1.0
    rows_sha256: 7a837641dcde9ebcac9d3ed5ed84ddd941fc9bfc173606cc701e9a3f51c307f1
    build:
      name: qwen35-tulu3-fixed8192-v1
      tokenizer: Qwen3.5 (the Qwen3.5-122B-A10B tokenizer; tokenizer.json sha256 5f9e4d4901a92b997e463c1f46055088b6cca5ca61a6522d1b9f64c4bb81cb42)
      loss_mask: qwen3_5
      rows: 6400
      row_tokens: 8192
      padding_tokens: 0
      seed: 42
      packing: source conversations in a seeded global permutation, concatenated with an EOS token between them and cut
        into consecutive 8,192-token rows; rows without supervised targets are skipped
      supervised_token_ratio: 0.676
      parquet_sha256: f215bdc6aba60d6d0dff4471eaef805765cb393e40b95762190535376491ab01
      parquet_bytes: 76127393
      builder: data/generate_fixed_sft.py (data/README.md)
layout:
  label: TP2 PP16 EP8 DP4
  summary: TP 2, PP 16 (first and last stage 2 layers), CP 1, EP 8, ETP 1, DP 4, sequence parallel; one 8,192-token row
    per microbatch; full recompute (uniform, 1 layer); CPU optimizer offload with overlapped D2H/H2D copies and the precision-aware
    optimizer; MoE permute fusion; alltoall dispatcher
  highlights: max 8,192 tokens/GPU, CPU optimizer offload
  tp: 2
  pp: 16
  vpp: 1
  cp: 1
  ep: 8
  etp: 1
  dp: 4
  sequence_parallel: true
  layer_split:
    first: 2
    last: 2
  max_tokens_per_gpu: 8192
  rows_per_microbatch: 1
  recompute:
    granularity: full
    method: uniform
    num_layers: 1
  offload:
    optimizer_fraction: 1.0
    overlap_d2h_h2d: true
  dispatcher: alltoall
result:
  tokens_per_s_per_gpu: 301.85
  usd_per_million_tokens: 6.33
  step_time_cv_percent: 3.75
  mfu: 0.0299
  mfu_note: null
  active_params:
    count: 16331407360
    source: https://huggingface.co/Qwen/Qwen3.5-397B-A17B
    revision: 8472618112abcbd45acbcdc58436aff4233c23f7
  measured: 2026-10-11
  steps_per_run: 14
  window:
  - 4
  - 13
  window_tokens: 10485760
  runs: 1
  profiler: false
  gpu_hours: 102.9
  gpu_hours_note: GPUs x (job start to end), including startup
correctness:
  result: pass
  summary: passed
  reference: Not published.
  configuration: pass
  component_tests: []
  convergence:
    steps: 20
    result: pass
    correlation: 0.999995
    final_loss_difference: 5.8e-05
    pointwise_failures: 0
  rules: argument classes of ATTUNE's skill/scripts/correctness/rules/numerics_list.yaml; 20-step check by Megatron-Bridge
    validate_convergence with its pipeline thresholds
env:
  CUDA_DEVICE_MAX_CONNECTIONS: '1'
  PYTORCH_CUDA_ALLOC_CONF: expandable_segments:True
  TORCHINDUCTOR_COMPILE_THREADS: '1'
  NCCL_NVLS_ENABLE: $([ "$NVLINK_COUNT" -gt 0 ] && echo 1 || echo 0)
patches: []
run: |
  export CUDA_DEVICE_MAX_CONNECTIONS=1
  export PYTORCH_CUDA_ALLOC_CONF=expandable_segments:True
  export TORCHINDUCTOR_COMPILE_THREADS=1
  export NCCL_NVLS_ENABLE=$([ "$NVLINK_COUNT" -gt 0 ] && echo 1 || echo 0)

  python3 -m <slime entry module> --async \
    --actor-num-nodes 16 \
    --actor-num-gpus-per-node 8 \
    ${MODEL_ARGS[@]} \
    --hf-checkpoint "$HF_CKPT" \
    --ref-load "$TORCH_DIST" \
    --rollout-function-path pretokenized_sft_rollout.generate_rollout \
    --prompt-data "$SFT_DATA" \
    --input-key messages \
    --metadata-key metadata \
    --num-rollout 14 \
    --rollout-batch-size 128 \
    --global-batch-size 128 \
    --loss-type sft_loss \
    --calculate-per-token-loss \
    --disable-compute-advantages-and-returns \
    --debug-train-only \
    --tensor-model-parallel-size 2 \
    --pipeline-model-parallel-size 16 \
    --decoder-first-pipeline-num-layers 2 \
    --decoder-last-pipeline-num-layers 2 \
    --context-parallel-size 1 \
    --expert-model-parallel-size 8 \
    --expert-tensor-parallel-size 1 \
    --sequence-parallel \
    --recompute-granularity full \
    --recompute-method uniform \
    --recompute-num-layers 1 \
    --use-dynamic-batch-size \
    --max-tokens-per-gpu 8192 \
    --data-pad-size-multiplier 256 \
    --optimizer adam --lr 1e-5 --lr-decay-style cosine --min-lr 1e-6 \
    --lr-warmup-fraction 0.1 --weight-decay 0.1 --adam-beta1 0.9 --adam-beta2 0.98 \
    --use-distributed-optimizer \
    --optimizer-cpu-offload --overlap-cpu-optimizer-d2h-h2d --use-precision-aware-optimizer \
    --attention-dropout 0.0 --hidden-dropout 0.0 \
    --accumulate-allreduce-grads-in-fp32 --attention-softmax-in-fp32 \
    --attention-backend flash \
    --distributed-timeout-minutes 30
