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NVIDIA / Model-Optimizer Public

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Skip-Softmax calibration in vLLM#1622

Draft

kaix-nv wants to merge 14 commits into

mainNVIDIA/Model-Optimizer:mainfrom

kaix/vllm_skip_calibNVIDIA/Model-Optimizer:kaix/vllm_skip_calibCopy head branch name to clipboard

Conversation Commits14 (14)Checks Files changed

Draft

Skip-Softmax calibration in vLLM#1622
kaix-nv wants to merge 14 commits into
mainfrom
kaix/vllm_skip_calib

Commits

Commits on Jun 2, 2026

First commit
rohansjoshi
committed
Added decode calibration
rohansjoshi
committed
Fix decode calibration: full-cache kv_bound + 128x128 block to match PyTorch
kaix-nv
committed

Commits on Jun 3, 2026

Fix decode calibration: padded row in decode
kaix-nv
committed
Apply per-phase calibrated skip threshold at HF inference
kaix-nv
committed
Add sink-pattern decode calibration test (full cache + nonzero sparsity)
kaix-nv
committed
Calibrate skip-softmax thresholds through the vLLM integration
kaix-nv
committed
Cross-validate vLLM/Triton skip-softmax calibration against PyTorch
kaix-nv
committed
Support FlashInfer backend for skip-softmax calibration
kaix-nv
committed
Add FlashInfer-vs-PyTorch calibration regression test
kaix-nv
committed
Fix FlashInfer metadata-builder patch and verify it is used in calibration
kaix-nv
committed
Fix flash_skip_softmax padding-row bug; reconcile with Triton kernel
kaix-nv
committed
Report per-sample sparsity ratios in skip-softmax calibration
kaix-nv
committed
Support FlashInfer backend for sparse-attention serving
kaix-nv
committed

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