{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7PG3CIUGSGWLU57CE2NQFXY666","short_pith_number":"pith:7PG3CIUG","canonical_record":{"source":{"id":"1301.1215","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2013-01-07T14:50:24Z","cross_cats_sorted":["cs.PF"],"title_canon_sha256":"1f2d8ced17699cac76ef8531a1b50bafed5062e66fa0a123b128cf5a8b1a1fc3","abstract_canon_sha256":"058aef08900ecf9810ee18c04974552d1c473fbdce8c03792697b030332eca61"},"schema_version":"1.0"},"canonical_sha256":"fbcdb1228691acba77e2269b02df1ef7ad58b5521b28bbe21c11bcce0f34cd00","source":{"kind":"arxiv","id":"1301.1215","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1215","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1215v1","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1215","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"pith_short_12","alias_value":"7PG3CIUGSGWL","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7PG3CIUGSGWLU57C","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7PG3CIUG","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7PG3CIUGSGWLU57CE2NQFXY666","target":"record","payload":{"canonical_record":{"source":{"id":"1301.1215","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2013-01-07T14:50:24Z","cross_cats_sorted":["cs.PF"],"title_canon_sha256":"1f2d8ced17699cac76ef8531a1b50bafed5062e66fa0a123b128cf5a8b1a1fc3","abstract_canon_sha256":"058aef08900ecf9810ee18c04974552d1c473fbdce8c03792697b030332eca61"},"schema_version":"1.0"},"canonical_sha256":"fbcdb1228691acba77e2269b02df1ef7ad58b5521b28bbe21c11bcce0f34cd00","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:26:01.201438Z","signature_b64":"cRPOG7urC2NnQCvMBTSG0Jlv1whelFg7HGLPMNaswDI/GleGeqlEfN4QmXYOWFW6Echi+MDWwMbLpIK7X0cZCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbcdb1228691acba77e2269b02df1ef7ad58b5521b28bbe21c11bcce0f34cd00","last_reissued_at":"2026-05-18T02:26:01.200805Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:26:01.200805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.1215","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":"2026-05-18T02:26:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pekiUs537BHq718ncoG8/ci6nRlafBHXqmKzbPD9KGf6l4kTyG1XtRQaBVI4y/AJB6vQR0ZHufpAGO4wbjA4Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:50:50.051969Z"},"content_sha256":"78604e9b08f3f5fc0a3298e61f7de7d5d33fd98d5118091dba51abe308c4d12f","schema_version":"1.0","event_id":"sha256:78604e9b08f3f5fc0a3298e61f7de7d5d33fd98d5118091dba51abe308c4d12f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7PG3CIUGSGWLU57CE2NQFXY666","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Multi-GPU Programming Library for Real-Time Applications","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.PF"],"primary_cat":"cs.DC","authors_text":"Martin Uecker, Sebastian Schaetz","submitted_at":"2013-01-07T14:50:24Z","abstract_excerpt":"We present MGPU, a C++ programming library targeted at single-node multi-GPU systems. Such systems combine disproportionate floating point performance with high data locality and are thus well suited to implement real-time algorithms. We describe the library design, programming interface and implementation details in light of this specific problem domain. The core concepts of this work are a novel kind of container abstraction and MPI-like communication methods for intra-system communication. We further demonstrate how MGPU is used as a framework for porting existing GPU libraries to multi-dev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1215","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:26:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u3jToXvviZtKUr3pKPwQGHu09Ryx2mJxmTKq0CCnRmTLVDrg2cRXLHyy0INtnaDmQPVX33rtYbHR9P5mbcFGAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T02:50:50.052548Z"},"content_sha256":"cc0b54ac8ec533872d62ea471730381fac1a3b2e39ff87dbcbea4fc77c48d9ba","schema_version":"1.0","event_id":"sha256:cc0b54ac8ec533872d62ea471730381fac1a3b2e39ff87dbcbea4fc77c48d9ba"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7PG3CIUGSGWLU57CE2NQFXY666/bundle.json","state_url":"https://pith.science/pith/7PG3CIUGSGWLU57CE2NQFXY666/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7PG3CIUGSGWLU57CE2NQFXY666/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":"2026-05-31T02:50:50Z","links":{"resolver":"https://pith.science/pith/7PG3CIUGSGWLU57CE2NQFXY666","bundle":"https://pith.science/pith/7PG3CIUGSGWLU57CE2NQFXY666/bundle.json","state":"https://pith.science/pith/7PG3CIUGSGWLU57CE2NQFXY666/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7PG3CIUGSGWLU57CE2NQFXY666/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7PG3CIUGSGWLU57CE2NQFXY666","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":"058aef08900ecf9810ee18c04974552d1c473fbdce8c03792697b030332eca61","cross_cats_sorted":["cs.PF"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2013-01-07T14:50:24Z","title_canon_sha256":"1f2d8ced17699cac76ef8531a1b50bafed5062e66fa0a123b128cf5a8b1a1fc3"},"schema_version":"1.0","source":{"id":"1301.1215","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.1215","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"arxiv_version","alias_value":"1301.1215v1","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.1215","created_at":"2026-05-18T02:26:01Z"},{"alias_kind":"pith_short_12","alias_value":"7PG3CIUGSGWL","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7PG3CIUGSGWLU57C","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7PG3CIUG","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:cc0b54ac8ec533872d62ea471730381fac1a3b2e39ff87dbcbea4fc77c48d9ba","target":"graph","created_at":"2026-05-18T02:26:01Z","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":"We present MGPU, a C++ programming library targeted at single-node multi-GPU systems. Such systems combine disproportionate floating point performance with high data locality and are thus well suited to implement real-time algorithms. We describe the library design, programming interface and implementation details in light of this specific problem domain. The core concepts of this work are a novel kind of container abstraction and MPI-like communication methods for intra-system communication. We further demonstrate how MGPU is used as a framework for porting existing GPU libraries to multi-dev","authors_text":"Martin Uecker, Sebastian Schaetz","cross_cats":["cs.PF"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2013-01-07T14:50:24Z","title":"A Multi-GPU Programming Library for Real-Time Applications"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.1215","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":"sha256:78604e9b08f3f5fc0a3298e61f7de7d5d33fd98d5118091dba51abe308c4d12f","target":"record","created_at":"2026-05-18T02:26:01Z","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":"058aef08900ecf9810ee18c04974552d1c473fbdce8c03792697b030332eca61","cross_cats_sorted":["cs.PF"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2013-01-07T14:50:24Z","title_canon_sha256":"1f2d8ced17699cac76ef8531a1b50bafed5062e66fa0a123b128cf5a8b1a1fc3"},"schema_version":"1.0","source":{"id":"1301.1215","kind":"arxiv","version":1}},"canonical_sha256":"fbcdb1228691acba77e2269b02df1ef7ad58b5521b28bbe21c11bcce0f34cd00","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fbcdb1228691acba77e2269b02df1ef7ad58b5521b28bbe21c11bcce0f34cd00","first_computed_at":"2026-05-18T02:26:01.200805Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:26:01.200805Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cRPOG7urC2NnQCvMBTSG0Jlv1whelFg7HGLPMNaswDI/GleGeqlEfN4QmXYOWFW6Echi+MDWwMbLpIK7X0cZCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:26:01.201438Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.1215","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:78604e9b08f3f5fc0a3298e61f7de7d5d33fd98d5118091dba51abe308c4d12f","sha256:cc0b54ac8ec533872d62ea471730381fac1a3b2e39ff87dbcbea4fc77c48d9ba"],"state_sha256":"bba79518a4a8d6d0969d54ee572627843a9896015f252eea0a48e1d195e4267d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N38PQ9i9RJeVLjo7RvdpNdlgjktksSHWmvkDyHGD4aCZnjgzLnELIucA8h5X10UrxSjNQ3765HgljSU6+ojpCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T02:50:50.055573Z","bundle_sha256":"e458d856bc6ecf53a8ae172a7f67ff0340f2fe37650851630f3ca29bd5084f2f"}}