HPD-Parsing reaches 94.91% on OmniDocBench v1.6 with 4,752 TPS throughput
pmttyji · reddit · 2026-07-23
HPD-Parsing proposes a hierarchical parallel decoding approach for document parsing.
The model splits work between a global layout branch and localized content branches, then further reduces decoding with Progressive Multi-Token Prediction and shared-prefix KV cache reuse. According to the post, the 1B model reaches 94.91% on OmniDocBench v1.6 and peaks at 4,752 TPS, which the authors say is 2.62× faster than the previous best parser and 3.06× faster than its autoregressive baseline.
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