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Puzzletron step 6/8 fails

bugSomething isn't workingSomething isn't working

Status: Open.

#1681 In NVIDIA/Model-Optimizer;

· danielkorzekwa opened on Jun 11, 2026

Add MBridge dsitillation for puzzletron

feature requestNew feature or requestNew feature or request

Status: Open.

#1679 In NVIDIA/Model-Optimizer;

· chochowski opened on Jun 11, 2026

Restarting torchrun --nproc_per_node 2 examples/puzzletron/main.py fails

bugSomething isn't workingSomething isn't working

Status: Open.

#1668 In NVIDIA/Model-Optimizer;

· danielkorzekwa opened on Jun 10, 2026

Puzzletron Progress 6/8 (calculating one block scores) takes 10 to 20 times more than in tutorial

bugSomething isn't workingSomething isn't working

Status: Open.

#1667 In NVIDIA/Model-Optimizer;

· danielkorzekwa opened on Jun 10, 2026

Does Model Optimizer support QAT for GLM-5 with FP8, INT4, and NVFP4 quantization?

questionHelp is is neededHelp is is needed

Status: Open.

#1666 In NVIDIA/Model-Optimizer;

· hibayesian opened on Jun 10, 2026

torchrun --nproc_per_node 2 examples/puzzletron/main.py fails with ModuleNotFoundError

bugSomething isn't workingSomething isn't working

waiting for feedback

Status: Open.

#1665 In NVIDIA/Model-Optimizer;

· danielkorzekwa opened on Jun 10, 2026

140GB is needed on hard disk instead of 2.62GB for downloading a dataset for puzzletron algorithm

bugSomething isn't workingSomething isn't working

Status: Open.

#1658 In NVIDIA/Model-Optimizer;

· danielkorzekwa opened on Jun 9, 2026

AssertionError: Expected 0 FFN layers on rank 0/8, got 1` in test_puzzletron.py -k "Qwen3-8B

bugSomething isn't workingSomething isn't working

waiting for feedback

Status: Open.

#1657 In NVIDIA/Model-Optimizer;

· danielkorzekwa opened on Jun 9, 2026

Puzzletron README initial setup fails with number of issues

bugSomething isn't workingSomething isn't working

documentationImprovements or additions to documentationImprovements or additions to documentation

triaged

Status: Open.

#1637 In NVIDIA/Model-Optimizer;

· danielkorzekwa opened on Jun 5, 2026

[Bug] NVFP4 W4A4 export: per-block weight_scale contains NaN bytes from unclamped FP32 → FP8 E4M3 cast

auto-fixable

bugSomething isn't workingSomething isn't working

torch.quantization

triaged

Status: Open.

#1633 In NVIDIA/Model-Optimizer;

· YIHONG-JIN opened on Jun 5, 2026

INT4 Quantization Export

bugSomething isn't workingSomething isn't working

torch.quantization

triaged

Status: Open.

#1615 In NVIDIA/Model-Optimizer;

· zajzhuaijun opened on Jun 3, 2026

generate_context_logits returns truncated logits when KV prefix cache is enabled, causing silently wrong loglikelihood evaluation

bugSomething isn't workingSomething isn't working

Status: Open.

#1577 In NVIDIA/Model-Optimizer;

· HouChentripleg opened on Jun 1, 2026