Add int4 w4a4 convrot support - #55

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rockerBOO wants to merge 9 commits into

silveroxides:mainfrom

rockerBOO:worktree-convrot-int4-w4a4

Commits on Aug 3, 2026

feat: add INT4 ConvRot quantize/pack/unpack utilities
rockerBOO
committed
c5f69c9
refactor: generalize AdaRound clamp range to support INT4 alongside INT8
rockerBOO
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2a3f4d3
feat: add INT4 ConvRot W4A4 conversion path to LearnedRoundingConverter
rockerBOO
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a3365db
feat: save INT4 ConvRot W4A4 weights and ComfyUI metadata
rockerBOO
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ebafd00
feat: add --int4 CLI flag for ConvRot W4A4 quantization
rockerBOO
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4fe3e7a
test: add end-to-end INT4 ConvRot W4A4 tests and error-metric comparison
rockerBOO
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303549f
fix: guard INT4 System E/F comparison for shapes without a compatible ConvRot group size, loosen AdaRound-vs-RTN SNR assertion
rockerBOO
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5240668
fix: correct --layer-config INT4 routing, INT4 error-metric measurement bug, and docs
rockerBOO
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7b57343
fix: use ComfyUI's expected "convrot_w4a4" format key for INT4 output
rockerBOO
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dbdd2ae