{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:5TV6IJKTHSXETZ2LE7JEAR6DZ6","short_pith_number":"pith:5TV6IJKT","schema_version":"1.0","canonical_sha256":"ecebe425533cae49e74b27d24047c3cf935c0cf569ff5d166f49b576e65796de","source":{"kind":"arxiv","id":"1905.08217","version":1},"attestation_state":"computed","paper":{"title":"Exploiting Parallelism on Shared Memory in the QED Particle-in-Cell Code PICADOR with Greedy Load Balancing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC","cs.PF"],"primary_cat":"physics.comp-ph","authors_text":"Aleksei Bashinov, Alexander Panov, Arkady Gonoskov, Elena Panova, Evgeny Efimenko, Igor Surmin, Iosif Meyerov, Sergei Bastrakov, Valentin Volokitin","submitted_at":"2019-05-20T17:08:25Z","abstract_excerpt":"State-of-the-art numerical simulations of laser plasma by means of the Particle-in-Cell method are often extremely computationally intensive. Therefore there is a growing need for development of approaches for efficient utilization of resources of modern supercomputers. In this paper, we address the problem of a substantially non-uniform and dynamically varying distribution of macroparticles in a computational area in simulating quantum electrodynamic (QED) cascades. We propose and evaluate a load balancing scheme for shared memory systems, which allows subdividing individual cells of the comp"},"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":"1905.08217","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-05-20T17:08:25Z","cross_cats_sorted":["cs.DC","cs.PF"],"title_canon_sha256":"1a6f25164857899be29e431d01d9b480506197c4b0a89104372504d0763928d5","abstract_canon_sha256":"3f492a291515cbcbd53a9ace386f1170a6dc5bd89b072b127bc543b60b4a2a36"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:47.308358Z","signature_b64":"aqLz5I2XT51ZgKjm6f/j9A/EYczukht1WZs2wNeTP+gppWkmVHr0xPW+UGUXmDaeZIHw51OW4c0ePgZYkbCFAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ecebe425533cae49e74b27d24047c3cf935c0cf569ff5d166f49b576e65796de","last_reissued_at":"2026-05-17T23:45:47.307715Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:47.307715Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Exploiting Parallelism on Shared Memory in the QED Particle-in-Cell Code PICADOR with Greedy Load Balancing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC","cs.PF"],"primary_cat":"physics.comp-ph","authors_text":"Aleksei Bashinov, Alexander Panov, Arkady Gonoskov, Elena Panova, Evgeny Efimenko, Igor Surmin, Iosif Meyerov, Sergei Bastrakov, Valentin Volokitin","submitted_at":"2019-05-20T17:08:25Z","abstract_excerpt":"State-of-the-art numerical simulations of laser plasma by means of the Particle-in-Cell method are often extremely computationally intensive. Therefore there is a growing need for development of approaches for efficient utilization of resources of modern supercomputers. In this paper, we address the problem of a substantially non-uniform and dynamically varying distribution of macroparticles in a computational area in simulating quantum electrodynamic (QED) cascades. We propose and evaluate a load balancing scheme for shared memory systems, which allows subdividing individual cells of the comp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08217","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":""},"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":"1905.08217","created_at":"2026-05-17T23:45:47.307839+00:00"},{"alias_kind":"arxiv_version","alias_value":"1905.08217v1","created_at":"2026-05-17T23:45:47.307839+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08217","created_at":"2026-05-17T23:45:47.307839+00:00"},{"alias_kind":"pith_short_12","alias_value":"5TV6IJKTHSXE","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_16","alias_value":"5TV6IJKTHSXETZ2L","created_at":"2026-05-18T12:33:10.108867+00:00"},{"alias_kind":"pith_short_8","alias_value":"5TV6IJKT","created_at":"2026-05-18T12:33:10.108867+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/5TV6IJKTHSXETZ2LE7JEAR6DZ6","json":"https://pith.science/pith/5TV6IJKTHSXETZ2LE7JEAR6DZ6.json","graph_json":"https://pith.science/api/pith-number/5TV6IJKTHSXETZ2LE7JEAR6DZ6/graph.json","events_json":"https://pith.science/api/pith-number/5TV6IJKTHSXETZ2LE7JEAR6DZ6/events.json","paper":"https://pith.science/paper/5TV6IJKT"},"agent_actions":{"view_html":"https://pith.science/pith/5TV6IJKTHSXETZ2LE7JEAR6DZ6","download_json":"https://pith.science/pith/5TV6IJKTHSXETZ2LE7JEAR6DZ6.json","view_paper":"https://pith.science/paper/5TV6IJKT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1905.08217&json=true","fetch_graph":"https://pith.science/api/pith-number/5TV6IJKTHSXETZ2LE7JEAR6DZ6/graph.json","fetch_events":"https://pith.science/api/pith-number/5TV6IJKTHSXETZ2LE7JEAR6DZ6/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/5TV6IJKTHSXETZ2LE7JEAR6DZ6/action/timestamp_anchor","attest_storage":"https://pith.science/pith/5TV6IJKTHSXETZ2LE7JEAR6DZ6/action/storage_attestation","attest_author":"https://pith.science/pith/5TV6IJKTHSXETZ2LE7JEAR6DZ6/action/author_attestation","sign_citation":"https://pith.science/pith/5TV6IJKTHSXETZ2LE7JEAR6DZ6/action/citation_signature","submit_replication":"https://pith.science/pith/5TV6IJKTHSXETZ2LE7JEAR6DZ6/action/replication_record"}},"created_at":"2026-05-17T23:45:47.307839+00:00","updated_at":"2026-05-17T23:45:47.307839+00:00"}