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Rsa proxy#1

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agri-pat wants to merge 5 commits into
Zyphra:zaya1-prfrom
agri-pat:rsa-proxy
Open

Rsa proxy#1
agri-pat wants to merge 5 commits into
Zyphra:zaya1-prfrom
agri-pat:rsa-proxy

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@agri-pat agri-pat commented Jun 12, 2026

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Purpose

Test Plan

Test Result


Essential Elements of an Effective PR Description Checklist
  • The purpose of the PR, such as "Fix some issue (link existing issues this PR will resolve)".
  • The test plan, such as providing test command.
  • The test results, such as pasting the results comparison before and after, or e2e results
  • (Optional) The necessary documentation update, such as updating supported_models.md and examples for a new model.

agri-pat and others added 5 commits June 12, 2026 10:19
Replace the per-request Python loop in the CCA prefill path with a
single batched conv over a flat segmented layout. The loop ran one
sequential conv_qk call per prefill request and forced GPU->CPU syncs
per request per layer via query_start_loc_p slicing; the batched form
uses only device-side index math (no syncs) and one conv kernel.

Each request occupies a contiguous [cached-state | tokens] segment in
the flat conv input, so every valid causal output window stays inside
its own segment. Verified numerically equivalent to the loop for
fresh/continuation requests, mixed batches, and chunks shorter than
the conv window.

Co-authored-by: Claude
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: Pat Carter <patcarter@agripath.com.au>
Standalone OpenAI-compatible proxy implementing Recursive Self-Aggregation
(Venkatraman et al., arXiv:2509.26626) with configurable tail truncation,
reproducing the Markovian RSA scheme from the ZAYA1-8B technical report
(arXiv:2605.05365). Sits in front of a vLLM server; requests with tools,
n>1, or "rsa": false pass through unchanged.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: Pat Carter <patcarter@agripath.com.au>
- Tail truncation now prefers a locally loaded AutoTokenizer (auto-resolved
  from the backend's model root, e.g. ZAYA1's GemmaTokenizerFast), falling
  back to /tokenize+/detokenize, then char approximation.
- All tail paths advance the cut to a paragraph/line boundary within the
  leading 10% so aggregation prompts never start mid-thought.
- Optional verifier (--rsa-verifier math|code|auto) excludes provably
  broken candidates (unparseable boxed answers, crashing python blocks)
  from the aggregation sampling pool and final vote, with fallback to the
  full population to preserve RSA's diversity requirement.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: Pat Carter <patcarter@agripath.com.au>
rsa/compare.py benchmarks RSA against single-sample and self-consistency
baselines extracted from the same run (round-0 population doubles as the
baseline samples). On 5 AIME problems with ZAYA1-8B (N=8, K=3, T=2,
tail=1536, beta=5000): single-sample 27/40, self-consistency 5/5, RSA 5/5,
per-trace accuracy 67.5% -> 82.5% after one aggregation round.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: Pat Carter <patcarter@agripath.com.au>
bench/: client-side latency/accuracy measurement for RSA queries
(wall-clock percentiles, token usage, and Prometheus-sourced peak
concurrency and decode throughput as the capacity check).

quant/: offline, GPU-free W8A8 INT8 quantization of ZAYA1-8B's MoE
expert weights, rewriting safetensors directly into a
compressed-tensors checkpoint (ZAYA1 ships no transformers modeling
code, so the standard llm-compressor flow cannot load it). Router,
attention/CCA, norms, and embeddings stay bf16.

Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Signed-off-by: Pat Carter <patcarter@agripath.com.au>
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