{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:2RXLKAEX5JNEO2KBS74B4DHZGD","short_pith_number":"pith:2RXLKAEX","schema_version":"1.0","canonical_sha256":"d46eb50097ea5a47694197f81e0cf930c65d7f32f4a1189ce43246f430da8b53","source":{"kind":"arxiv","id":"2507.04772","version":1},"attestation_state":"computed","paper":{"title":"Jack Unit: An Area- and Energy-Efficient Multiply-Accumulate (MAC) Unit Supporting Diverse Data Formats","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.AR","authors_text":"Daehoon Kim, Jaeha Kung, Seock-Hwan Noh, Seohyun Kim, Sungju Kim, Yeseong Kim","submitted_at":"2025-07-07T08:49:54Z","abstract_excerpt":"In this work, we introduce an area- and energy-efficient multiply-accumulate (MAC) unit, named Jack unit, that is a jack-of-all-trades, supporting various data formats such as integer (INT), floating point (FP), and microscaling data format (MX). It provides bit-level flexibility and enhances hardware efficiency by i) replacing the carry-save multiplier (CSM) in the FP multiplier with a precision-scalable CSM, ii) performing the adjustment of significands based on the exponent differences within the CSM, and iii) utilizing 2D sub-word parallelism. To assess effectiveness, we implemented the la"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2507.04772","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.AR","submitted_at":"2025-07-07T08:49:54Z","cross_cats_sorted":[],"title_canon_sha256":"b648d7986e1d0749c35a4c4c5c9b9efd4aef3d9f283bdf1257f462746f9e0466","abstract_canon_sha256":"13cbaf9fc03e2f8dfe757d572151074f43639b7ac43a97f38865087c504f4341"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:32:53.835327Z","signature_b64":"5uc6zbwbF4/OSkrgS+WbV/Xf1vtuUh51qZUNFLrd0PFYa9F/30pS/Ptubb8TNCJjEUVta83G6fptNhrEKR+tCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d46eb50097ea5a47694197f81e0cf930c65d7f32f4a1189ce43246f430da8b53","last_reissued_at":"2026-07-05T11:32:53.834798Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:32:53.834798Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Jack Unit: An Area- and Energy-Efficient Multiply-Accumulate (MAC) Unit Supporting Diverse Data Formats","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.AR","authors_text":"Daehoon Kim, Jaeha Kung, Seock-Hwan Noh, Seohyun Kim, Sungju Kim, Yeseong Kim","submitted_at":"2025-07-07T08:49:54Z","abstract_excerpt":"In this work, we introduce an area- and energy-efficient multiply-accumulate (MAC) unit, named Jack unit, that is a jack-of-all-trades, supporting various data formats such as integer (INT), floating point (FP), and microscaling data format (MX). It provides bit-level flexibility and enhances hardware efficiency by i) replacing the carry-save multiplier (CSM) in the FP multiplier with a precision-scalable CSM, ii) performing the adjustment of significands based on the exponent differences within the CSM, and iii) utilizing 2D sub-word parallelism. To assess effectiveness, we implemented the la"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.04772","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2507.04772/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2507.04772","created_at":"2026-07-05T11:32:53.834858+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.04772v1","created_at":"2026-07-05T11:32:53.834858+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.04772","created_at":"2026-07-05T11:32:53.834858+00:00"},{"alias_kind":"pith_short_12","alias_value":"2RXLKAEX5JNE","created_at":"2026-07-05T11:32:53.834858+00:00"},{"alias_kind":"pith_short_16","alias_value":"2RXLKAEX5JNEO2KB","created_at":"2026-07-05T11:32:53.834858+00:00"},{"alias_kind":"pith_short_8","alias_value":"2RXLKAEX","created_at":"2026-07-05T11:32:53.834858+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/2RXLKAEX5JNEO2KBS74B4DHZGD","json":"https://pith.science/pith/2RXLKAEX5JNEO2KBS74B4DHZGD.json","graph_json":"https://pith.science/api/pith-number/2RXLKAEX5JNEO2KBS74B4DHZGD/graph.json","events_json":"https://pith.science/api/pith-number/2RXLKAEX5JNEO2KBS74B4DHZGD/events.json","paper":"https://pith.science/paper/2RXLKAEX"},"agent_actions":{"view_html":"https://pith.science/pith/2RXLKAEX5JNEO2KBS74B4DHZGD","download_json":"https://pith.science/pith/2RXLKAEX5JNEO2KBS74B4DHZGD.json","view_paper":"https://pith.science/paper/2RXLKAEX","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.04772&json=true","fetch_graph":"https://pith.science/api/pith-number/2RXLKAEX5JNEO2KBS74B4DHZGD/graph.json","fetch_events":"https://pith.science/api/pith-number/2RXLKAEX5JNEO2KBS74B4DHZGD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/2RXLKAEX5JNEO2KBS74B4DHZGD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/2RXLKAEX5JNEO2KBS74B4DHZGD/action/storage_attestation","attest_author":"https://pith.science/pith/2RXLKAEX5JNEO2KBS74B4DHZGD/action/author_attestation","sign_citation":"https://pith.science/pith/2RXLKAEX5JNEO2KBS74B4DHZGD/action/citation_signature","submit_replication":"https://pith.science/pith/2RXLKAEX5JNEO2KBS74B4DHZGD/action/replication_record"}},"created_at":"2026-07-05T11:32:53.834858+00:00","updated_at":"2026-07-05T11:32:53.834858+00:00"}