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News/Tail-Aware HiFloat4: W4A4 Post-Training Quantization for Wan2.2
arxiv
PublishedMay 27, 2026 at 4:00 AM

Tail-Aware HiFloat4: W4A4 Post-Training Quantization for Wan2.2

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arXiv:2605.26628v1 Announce Type: new Abstract: This report describes Tail-Aware HiFloat4, our submission to the low-bit text-to-video generation quantization challenge. Our method adapts the public ViDiT-Q post-training quantization pipeline to Wan2.2 under the HiFloat4 numerical format. We quantiz

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