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[bug] Qwen3-30B-A3B GB200 MXFP8 perf preset (full_iteration CUDA graphs + HybridEP) OOMs in first optimizer step on PyTorch >=2.14 / TE >=2.18 stacks #24258

[bug] Qwen3-30B-A3B GB200 MXFP8 perf preset (full_iteration CUDA graphs + HybridEP) OOMs in first optimizer step on PyTorch >=2.14 / TE >=2.18 stacks

[bug] Qwen3-30B-A3B GB200 MXFP8 perf preset (full_iteration CUDA graphs + HybridEP) OOMs in first optimizer step on PyTorch >=2.14 / TE >=2.18 stacks #24258