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We present COREY, a \\emph{concept-and-feasibility} runtime scheduler that maps fixed-bin activation entropy to chunk size. We evaluate COREY in three tiers: a prototype cost model, real-checkpoint kernel timing, and routed end-to-end ablations on modern GPUs.\n  At the kernel level, a calibrated rule, \\(H_{\\mathrm{ref}}=\\log K\\), recovers the locally optimal chunk and matches a one-time static oracle, yielding \\(4.41\\times\\) lower latency than an unoptimized baseline on a consumer GPU and \\(3.90\\times\\)--\\(4.04\\times\\) lower latency on a data-center accelerator. Routing this choice into a patched live scan kernel closes the engineering loop without improving end-to-end speed: in unified routed ablations, the best static chunk outperforms all entropy-guided and proxy schedulers.\n  Sampled-histog","title":"COREY: Entropy-Guided Runtime Chunk Scheduling for Selective Scan Kernels","url":"https://arxiv.org/abs/2604.10597","vendor":"arxiv_cs_ai"},"summary":"arXiv:2604.10597v3 Announce Type: replace-cross \nAbstract: Mamba selective state space models (SSMs) provide linear-time sequence modeling but remain sensitive to selective-scan chunk scheduling. We present COREY, a \\emph{concept-and-feasibility} runtime scheduler that maps fixed-bin activation entropy to chunk size. We evaluate COREY in three tiers: a prototype cost model, real-checkpoint kernel timing, and routed end-to-end ablations on modern GPUs.\n  At the kernel level, a calibrated rule, \\(H_{\\mathrm{ref}}=\\log K\\), recovers the locally optimal chunk and matches a one-time static oracle, yielding \\(4.41\\times\\) lower latency than an unoptimized baseline on a consumer GPU and \\(3.90\\times\\)--\\(4.04\\times\\) lower latency on a data-center accelerator. Routing this choice into a patched live scan kernel closes the engineering loop without improving end-to-end speed: in unified routed ablations, the best static chunk outperforms all entropy-guided and proxy schedulers.\n  Sampled-histog","title":"COREY: Entropy-Guided Runtime Chunk Scheduling for Selective Scan Kernels","vendor":"arxiv_cs_ai"},"confidence":{"method":"deterministic"},"decision":"POSITIVE","issued_at":"2026-05-06T04:43:18Z","notes":"Spider vendor_press (news) news.vendor_press.v1","object":{"captured_by":"crovia.spider.vendor_press","primary_source_url":"https://arxiv.org/abs/2604.10597"},"predecessors":[],"schema":"crovia.axiom.v1","signature":"ed25519:5d78ba0334595924d7acf663995e6995f74278237ed428747ffab35bda240b3a47902aefb1847ba313633c9084c2773615f95dad4c21736d40b80b4768a84201","signer":"crovia.substrate","subject":{"observed_at":"2026-05-06T04:43:18Z","source_collector":"spider:vendor_press","target_id":"https://arxiv.org/abs/2604.10597"},"tsa":{"authority":"crovia.substrate.bootstrap","rfc3161_token":"{\"kind\":\"crovia.bootstrap.tsa\",\"source_jsonl\":\"/opt/crovia/spider/data/news/vendor_press_v1.jsonl\",\"source_seal_merkle_root\":\"spider_vendor_press_v1\",\"upgrade_path\":\"Sessione H \\u2014 OpenTimestamps weekly anchor\"}"},"zk_mode":"clear","zk_proof":null},"ledger":{"leaf_hash":"91ac4e4afa18d0fe4f7a4f392fde75cfcd0fa1ffdeeeea7cf03d384ec2da9ae6","leaf_index":116582,"ledger_path":"/opt/crovia/substrate/axiom_ledger.jsonl"},"merkle_proof":{"hash_alg":"sha256","leaf_prefix":"0x00","node_prefix":"0x01","odd_leaf_rule":"duplicate_last","path":[{"sibling":"2f6da0430289bf05926c3f252847c0be92dd1c53ef10325ce091be82de109e42","side":"right"},{"sibling":"ae2c87f5e5e6e6a28da4e39a1a3875caf9c8ed50091a6e85ab7c0b950fe68cb7","side":"left"},{"sibling":"3f8ff35450719b4d1d21acd9dbdb06cfce537d82e456f350ab24a6dc4feb066e","side":"left"},{"sibling":"e6f8b1006344e313909e427e64e0fb1c8f4ab79348259448984e6ae3dc917b03","side":"right"},{"sibling":"ed3e93f63567e2ffec336fdfc782e01efee6c753431c1e8856b3c5e94104301a","side":"right"},{"sibling":"492506bf2649d464e65df022bc9e61badd6bd5efa29ecac6bf0d07ecaeb4d90d","side":"left"},{"sibling":"dd4277f33b532244672f719abb849e200a307f7c7efa590e2eb41dbbb1e7844f","side":"left"},{"sibling":"6ee45885d9cd9ed12596a458214030b8197200a928104b38bdab7a9d649f44f8","side":"right"},{"sibling":"5574ba66329e909ad4ff093e3491b05d5aa4f4ee91405ec5ecdb639bea7d87ab","side":"left"},{"sibling":"c750384c973eaf46aa237cdabe7a75729862dd4101dca10cb8e0626e0ec2d34a","side":"left"},{"sibling":"ddc060ac400459417799f688c75d5b271636afa40d89ec7fc98652473a8061f6","side":"left"},{"sibling":"282afa51266e47629e34d808a360bbb276348bcc5a24bdcc93e83a76e580293e","side":"right"},{"sibling":"05f89b32c00462e60adf95c1fe4579cdc2791b36e8b17573d8f3b5fd5da95a0b","side":"right"},{"sibling":"8ccd9937a2c0d5c04044d07d1557791b7d07bb31eac41a39a675608d44b38f23","side":"right"},{"sibling":"3a5e69cf0803f4c91f3895ed7c9a95748fef240bec4422e167c05300f79f06c0","side":"left"},{"sibling":"f2817ab288b5324fe49770372c7a10f33f7cd11005f8d4c0a730316f5229dc98","side":"left"},{"sibling":"725fac972e772ca0dc598810ea1abc70df472f72d2d6ab8a0baee2b80e5d2f4c","side":"left"},{"sibling":"98fc57dfef8873b512edc8340f7181df57302bb96777625e072235c62d7c5895","side":"right"}]},"schema":"crovia.axiom_proof.v1","seal":{"first_collector_run_id":"","first_receipt_hash":"","jsonl_path":"/opt/crovia/substrate/axiom_ledger.jsonl","key_id":"430895f101d38164","last_collector_run_id":"","last_receipt_hash":"","leaf_count":134292,"merkle_root":"77fc9c28fae777b81da5b495b3115474df6592dfac590333213d3bdf8b94a9b3","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","run_id":"hourly_json_retrofit_20260515T023701Z","schema":"crovia.seal.v1","seal_family_version":"crovia-seal-family/1","seal_kind":"substrate_batch","sealed_at":"2026-05-15T02:37:25Z","sig_algorithm":"ed25519","signature":"68107a834b00b24f5d4501e5ec727445311f132a486567ecc4c72a4e6dff24c8c21f2de3105293353ba5fdbe370d032819af6aa70f694e2e39b6af6737507009","signer_version":"1.1.0"},"trust_root":{"key_id":"430895f101d38164","public_key_hex":"cf742e26f75669dc673cb5c0786a1ae23ae8ca19c347317192ce40c28a7ff25c","signature_algorithm":"ed25519","url":"/registry/canon/TRUST_ROOT.md"},"verifier":{"spec":"/registry/canon/AXIOM_RECEIPT_v1.md","url":"/v/axm_b9a551d2caf9493ba6be8b96d5ac8bbb6ac2ec6cc42bbc7de5444f03f9d15a0e"}}