{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:VTUJETTCJH2XVRBHYKLPU7AY4U","short_pith_number":"pith:VTUJETTC","canonical_record":{"source":{"id":"2505.09462","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-05-14T15:13:59Z","cross_cats_sorted":[],"title_canon_sha256":"01f72d1d71335213bddc1b2719fa43236486ff95a002ca99b23ef12c09eae1a2","abstract_canon_sha256":"1859ed9d7111e4edd6c105473c191d266daa6fbafb58c468fc457dabc613ddae"},"schema_version":"1.0"},"canonical_sha256":"ace8924e6249f57ac427c296fa7c18e52afd7d36603b1f8e19143b8373048aac","source":{"kind":"arxiv","id":"2505.09462","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.09462","created_at":"2026-07-05T11:03:08Z"},{"alias_kind":"arxiv_version","alias_value":"2505.09462v1","created_at":"2026-07-05T11:03:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.09462","created_at":"2026-07-05T11:03:08Z"},{"alias_kind":"pith_short_12","alias_value":"VTUJETTCJH2X","created_at":"2026-07-05T11:03:08Z"},{"alias_kind":"pith_short_16","alias_value":"VTUJETTCJH2XVRBH","created_at":"2026-07-05T11:03:08Z"},{"alias_kind":"pith_short_8","alias_value":"VTUJETTC","created_at":"2026-07-05T11:03:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:VTUJETTCJH2XVRBHYKLPU7AY4U","target":"record","payload":{"canonical_record":{"source":{"id":"2505.09462","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-05-14T15:13:59Z","cross_cats_sorted":[],"title_canon_sha256":"01f72d1d71335213bddc1b2719fa43236486ff95a002ca99b23ef12c09eae1a2","abstract_canon_sha256":"1859ed9d7111e4edd6c105473c191d266daa6fbafb58c468fc457dabc613ddae"},"schema_version":"1.0"},"canonical_sha256":"ace8924e6249f57ac427c296fa7c18e52afd7d36603b1f8e19143b8373048aac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:03:08.862412Z","signature_b64":"CQ46yaAA39E9gKtiX0LMjspesVPP4ySA4PsCryLd7SFCKoey8JpdnW+q5lU9LgNpQuS8Eb9VrGzhc7fOKY9TAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ace8924e6249f57ac427c296fa7c18e52afd7d36603b1f8e19143b8373048aac","last_reissued_at":"2026-07-05T11:03:08.861929Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:03:08.861929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.09462","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:03:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BoT+BN99TM8bI/ugrOmtbXuqVvTvOVgDlsVNXNzJ5UTl+Xqrd1xq3d189dvyM49s5f1ByahPQ7pPhK1KpkYwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T18:40:41.374165Z"},"content_sha256":"3574f13edf4b9a629e4eed2fce16c58d4b82750495078d8975cf3fbf28029061","schema_version":"1.0","event_id":"sha256:3574f13edf4b9a629e4eed2fce16c58d4b82750495078d8975cf3fbf28029061"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:VTUJETTCJH2XVRBHYKLPU7AY4U","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ARM SVE Unleashed: Performance and Insights Across HPC Applications on Nvidia Grace","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.DC","authors_text":"Gabin Schieffer, Hiren Patel, Ivy Peng, Maya Gokhale, Pei-Hung Lin, Ruimin Shi","submitted_at":"2025-05-14T15:13:59Z","abstract_excerpt":"Vector architectures are essential for boosting computing throughput. ARM provides SVE as the next-generation length-agnostic vector extension beyond traditional fixed-length SIMD. This work provides a first study of the maturity and readiness of exploiting ARM and SVE in HPC. Using selected performance hardware events on the ARM Grace processor and analytical models, we derive new metrics to quantify the effectiveness of exploiting SVE vectorization to reduce executed instructions and improve performance speedup. We further propose an adapted roofline model that combines vector length and dat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.09462","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/2505.09462/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T11:03:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G7URAP1nbA7S6y9OnnV8bxbRODxp3rjrD3rHneePEU3shAishhU8JB3Xjv9AwMRwpNmfokjNbtWuw+HQNUVlCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-25T18:40:41.374555Z"},"content_sha256":"67db3631514d820dfaea33c7497a5c858901a08ba6715e7b696c9dd0d92a1c7d","schema_version":"1.0","event_id":"sha256:67db3631514d820dfaea33c7497a5c858901a08ba6715e7b696c9dd0d92a1c7d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VTUJETTCJH2XVRBHYKLPU7AY4U/bundle.json","state_url":"https://pith.science/pith/VTUJETTCJH2XVRBHYKLPU7AY4U/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VTUJETTCJH2XVRBHYKLPU7AY4U/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-25T18:40:41Z","links":{"resolver":"https://pith.science/pith/VTUJETTCJH2XVRBHYKLPU7AY4U","bundle":"https://pith.science/pith/VTUJETTCJH2XVRBHYKLPU7AY4U/bundle.json","state":"https://pith.science/pith/VTUJETTCJH2XVRBHYKLPU7AY4U/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VTUJETTCJH2XVRBHYKLPU7AY4U/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:VTUJETTCJH2XVRBHYKLPU7AY4U","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1859ed9d7111e4edd6c105473c191d266daa6fbafb58c468fc457dabc613ddae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-05-14T15:13:59Z","title_canon_sha256":"01f72d1d71335213bddc1b2719fa43236486ff95a002ca99b23ef12c09eae1a2"},"schema_version":"1.0","source":{"id":"2505.09462","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.09462","created_at":"2026-07-05T11:03:08Z"},{"alias_kind":"arxiv_version","alias_value":"2505.09462v1","created_at":"2026-07-05T11:03:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.09462","created_at":"2026-07-05T11:03:08Z"},{"alias_kind":"pith_short_12","alias_value":"VTUJETTCJH2X","created_at":"2026-07-05T11:03:08Z"},{"alias_kind":"pith_short_16","alias_value":"VTUJETTCJH2XVRBH","created_at":"2026-07-05T11:03:08Z"},{"alias_kind":"pith_short_8","alias_value":"VTUJETTC","created_at":"2026-07-05T11:03:08Z"}],"graph_snapshots":[{"event_id":"sha256:67db3631514d820dfaea33c7497a5c858901a08ba6715e7b696c9dd0d92a1c7d","target":"graph","created_at":"2026-07-05T11:03:08Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2505.09462/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Vector architectures are essential for boosting computing throughput. ARM provides SVE as the next-generation length-agnostic vector extension beyond traditional fixed-length SIMD. This work provides a first study of the maturity and readiness of exploiting ARM and SVE in HPC. Using selected performance hardware events on the ARM Grace processor and analytical models, we derive new metrics to quantify the effectiveness of exploiting SVE vectorization to reduce executed instructions and improve performance speedup. We further propose an adapted roofline model that combines vector length and dat","authors_text":"Gabin Schieffer, Hiren Patel, Ivy Peng, Maya Gokhale, Pei-Hung Lin, Ruimin Shi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-05-14T15:13:59Z","title":"ARM SVE Unleashed: Performance and Insights Across HPC Applications on Nvidia Grace"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.09462","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:3574f13edf4b9a629e4eed2fce16c58d4b82750495078d8975cf3fbf28029061","target":"record","created_at":"2026-07-05T11:03:08Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1859ed9d7111e4edd6c105473c191d266daa6fbafb58c468fc457dabc613ddae","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2025-05-14T15:13:59Z","title_canon_sha256":"01f72d1d71335213bddc1b2719fa43236486ff95a002ca99b23ef12c09eae1a2"},"schema_version":"1.0","source":{"id":"2505.09462","kind":"arxiv","version":1}},"canonical_sha256":"ace8924e6249f57ac427c296fa7c18e52afd7d36603b1f8e19143b8373048aac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ace8924e6249f57ac427c296fa7c18e52afd7d36603b1f8e19143b8373048aac","first_computed_at":"2026-07-05T11:03:08.861929Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:03:08.861929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CQ46yaAA39E9gKtiX0LMjspesVPP4ySA4PsCryLd7SFCKoey8JpdnW+q5lU9LgNpQuS8Eb9VrGzhc7fOKY9TAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:03:08.862412Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.09462","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3574f13edf4b9a629e4eed2fce16c58d4b82750495078d8975cf3fbf28029061","sha256:67db3631514d820dfaea33c7497a5c858901a08ba6715e7b696c9dd0d92a1c7d"],"state_sha256":"4dbc627d6e5658d59ed9a7d1276736ad708a60ee82a8d6254c3f9b008b0d340f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bsSSbe0bBk9rhEbzbFWzFsSKMutnzSVcsGv3TnxxuGPTNWvDbB8Nvfp/44M5OYQLTWdywm1eRefKv9YGkn+TCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-25T18:40:41.376976Z","bundle_sha256":"875ce7607e5690e6669f96d0b96ff99832cc19d892fcc6321f03f25d6c92be34"}}