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prismaquant RobTand/prismaquant

Mixed-precision quantization for LLMs. Every layer refracts into a different format based on its sensitivity. Native compressed-tensors export, validated on Qwen3.6-35B-A3B MoE with MTP speculative decoding.

HEALTH 98 / Healthy
// solo builder// release machine

// readme

PrismaQuant

Mixed-precision LLM quantization that chooses the right format for every weight matrix, selected on real end-to-end KL — shipped as artifacts that stock inference engines serve on an unforked runtime.

PrismaQuant’s allocator is AURA (Production-Faithful KL–Fisher Allocation): a per-Linear cost model built from KL-Fisher probes of the full model multiplied against the production-rendered weight error — the exact bytes that ship — solved as a multi-choice knapsack, and gated by real KL measured on a held-out split before anything is published. Three output containers:

  • compressed-tensors — vanilla vLLM serves it natively (vllm serve $WORK_DIR/exported), no custom kernels. NVFP4 / FP8 / BF16 per Linear, CUTLASS kernels on Blackwell.
  • GGUF — llama.cpp and vLLM (via the GGUF plugin) serve the same file, again with no PrismaQuant kernels. Full k-quant + IQ menu, per-tensor mixed, imatrix-weighted. This is how a 295B MoE fits on one 128 GB box.
  • Tessera — the Tessera trellis wire, served by Tessera’s own out-of-tree vLLM plugin (tessera.serving, quant_method = "tessera"), using native kernels only. Still an unforked vLLM: install…
↑ The Undervalued Score +

How much a project earns versus how much attention it actually gets. Above 50 means the work is outrunning its audience. Recomputed nightly from commit velocity, contributor effort, issue resolution, fork utility, release cadence, and project maturity — divided by a logarithmic reach factor.

score  = signal / reach

signal = 0.25·commit_velocity   // commits in last 90 days (cap 30)
       + 0.20·contributor_work  // unique authors × velocity (cap 100)
       + 0.20·issue_resolution  // closed ÷ total issues
       + 0.20·fork_ratio        // forks ÷ stars (proxy for real usage)
       + 0.10·release_cadence   // releases in 90 days (cap 3)
       + age_bonus              // +0 to +0.30 after 6 months
       + homepage_bonus         // +0.05 if homepage is set

reach  = log₁₀(stars + watchers + 10)█
♥ The Health Score +

Is the project alive and maintained right now? A 0–100 pulse recomputed nightly from commit recency, rhythm, how fast issues close, and how quickly PRs get merged.

health = 0.35·recency       // days since last commit (90d decay)
       + 0.25·cadence       // commit rhythm consistency
       + 0.20·issue_health  // closed ÷ total issues
       + 0.20·pr_health     // merged ÷ total PRs█
◷ Health bands +

The colour and label on every card come straight from the health score.

Healthy   80 – 100   active, responsive, regular releases
Stable    60 – 79    maintained, steady, no alarms
Quiet     40 – 59    slowing down — watch this one
At Risk    0 – 39    going dark · candidate for rescue█
// Tags — what each label means +

Tags are independent behavioral signals computed nightly. A project can hold multiple at once. They drive the home page sections.

solo_builder      one person holds > 80% of commits (last 180d)
needs_contributors has open "help wanted" or "good first issue" labels
hidden_gem        < 100 stars · active in last 3 months · documented
legacy_hero       repo > 5 years old · committed this year
fork_magnet       forks/stars > 0.5 · used as template or dependency
release_machine   5+ releases in the last 90 days
under_pressure    > 10 open issues · ≤ 2 contributors · health ≥ 60
community_watch   watchers > stars · devs tracking before the public
community_hub     GitHub Discussions enabled · > 20 discussions
funded            maintainer has active funding channel█
★ Why rank against stars at all? +

Stars are an outcome, not effort. A project with 8 stars and daily commits is doing more interesting work than one coasting on 8k. We measure the building, then divide by the attention already received — so the genuinely undervalued rise to the top.

// stars   = lagging indicator
// commits = leading indicator
// we rank by the leading one█