{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:YEEP3NEXJWXXP7LKS72VDPBSLC","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":"088c44ff8887319f8a1db7ef5bf1dc15151353a8a39badb8f4ac0e2b6f72951f","cross_cats_sorted":["cs.DC","cs.PF","cs.PL"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.MS","submitted_at":"2018-05-09T16:01:01Z","title_canon_sha256":"8c07d817655c9bcdd2a521332dce3f32896bd7e6dd399a4d8d6490b6311af521"},"schema_version":"1.0","source":{"id":"1805.03949","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.03949","created_at":"2026-05-17T23:45:09Z"},{"alias_kind":"arxiv_version","alias_value":"1805.03949v1","created_at":"2026-05-17T23:45:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.03949","created_at":"2026-05-17T23:45:09Z"},{"alias_kind":"pith_short_12","alias_value":"YEEP3NEXJWXX","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_16","alias_value":"YEEP3NEXJWXXP7LK","created_at":"2026-05-18T12:33:04Z"},{"alias_kind":"pith_short_8","alias_value":"YEEP3NEX","created_at":"2026-05-18T12:33:04Z"}],"graph_snapshots":[{"event_id":"sha256:9d108c06325b8b7b34719aae5439bd72c5713cdac4ec8937e26a12223b88c4e2","target":"graph","created_at":"2026-05-17T23:45:09Z","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"},"paper":{"abstract_excerpt":"The main computing tasks of a finite element code(FE) for solving partial differential equations (PDE's) are the algebraic system assembly and the iterative solver. This work focuses on the first task, in the context of a hybrid MPI+X paradigm. Although we will describe algorithms in the FE context, a similar strategy can be straightforwardly applied to other discretization methods, like the finite volume method. The matrix assembly consists of a loop over the elements of the MPI partition to compute element matrices and right-hand sides and their assemblies in the local system to each MPI par","authors_text":"Antoni Artigues, Guillaume Houzeaux, Jes\\'us Labarta, Mariano V\\'azquez, Marta Garcia-Gasulla, Roger Ferrer, Victor L\\'opez","cross_cats":["cs.DC","cs.PF","cs.PL"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.MS","submitted_at":"2018-05-09T16:01:01Z","title":"MPI+X: task-based parallelization and dynamic load balance of finite element assembly"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.03949","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":"sha256:712df3b6b411d2e027489231d0cf12156d76a0bd49537812e4417c1030dcf484","target":"record","created_at":"2026-05-17T23:45:09Z","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":"088c44ff8887319f8a1db7ef5bf1dc15151353a8a39badb8f4ac0e2b6f72951f","cross_cats_sorted":["cs.DC","cs.PF","cs.PL"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cs.MS","submitted_at":"2018-05-09T16:01:01Z","title_canon_sha256":"8c07d817655c9bcdd2a521332dce3f32896bd7e6dd399a4d8d6490b6311af521"},"schema_version":"1.0","source":{"id":"1805.03949","kind":"arxiv","version":1}},"canonical_sha256":"c108fdb4974daf77fd6a97f551bc3258b22aa3dd2ce2e9bf4b785672a07764f3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c108fdb4974daf77fd6a97f551bc3258b22aa3dd2ce2e9bf4b785672a07764f3","first_computed_at":"2026-05-17T23:45:09.869376Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:09.869376Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KGzrLGKrDcSobSMLfF2HKpKwBlP6PoiWK7Ut8OyttYDHgnakep0u8lgjcCdxQHSQMBQvE+J1JuXu+q7W9b9rAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:09.870036Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.03949","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:712df3b6b411d2e027489231d0cf12156d76a0bd49537812e4417c1030dcf484","sha256:9d108c06325b8b7b34719aae5439bd72c5713cdac4ec8937e26a12223b88c4e2"],"state_sha256":"9869ba76253c5707a016dc92cf467994d63c98d29177b43f69f5ba9d0046e953"}