{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:2XEWECPFIA4VIDNG6JUUB7SCXN","short_pith_number":"pith:2XEWECPF","canonical_record":{"source":{"id":"1712.00143","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-12-01T01:06:39Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"2a170ec062ba073512320fca855763c0f95e650fc8a73e80068c7ea3359ffdf4","abstract_canon_sha256":"aa29640c5b8520a629d16fb2b4bec4da3d55f9d3552cddbfd5626f084e775c14"},"schema_version":"1.0"},"canonical_sha256":"d5c96209e54039540da6f26940fe42bb7cad8fa04c0fe4b8d3f027c41f8d33b1","source":{"kind":"arxiv","id":"1712.00143","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.00143","created_at":"2026-05-18T00:29:07Z"},{"alias_kind":"arxiv_version","alias_value":"1712.00143v1","created_at":"2026-05-18T00:29:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00143","created_at":"2026-05-18T00:29:07Z"},{"alias_kind":"pith_short_12","alias_value":"2XEWECPFIA4V","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2XEWECPFIA4VIDNG","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2XEWECPF","created_at":"2026-05-18T12:30:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:2XEWECPFIA4VIDNG6JUUB7SCXN","target":"record","payload":{"canonical_record":{"source":{"id":"1712.00143","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-12-01T01:06:39Z","cross_cats_sorted":["physics.comp-ph"],"title_canon_sha256":"2a170ec062ba073512320fca855763c0f95e650fc8a73e80068c7ea3359ffdf4","abstract_canon_sha256":"aa29640c5b8520a629d16fb2b4bec4da3d55f9d3552cddbfd5626f084e775c14"},"schema_version":"1.0"},"canonical_sha256":"d5c96209e54039540da6f26940fe42bb7cad8fa04c0fe4b8d3f027c41f8d33b1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:07.194432Z","signature_b64":"Te4NIy3JmM+8czJQ0X1vy+ez6f53Y82iOrJTlw0XYDtc1biP14CsV5TK6/153V++za5blhoXT1XEFdRmKLzADQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d5c96209e54039540da6f26940fe42bb7cad8fa04c0fe4b8d3f027c41f8d33b1","last_reissued_at":"2026-05-18T00:29:07.193744Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:07.193744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.00143","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":"2026-05-18T00:29:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EsjZ3xDHeBMbB6xCuKZm9N0rESBGcV7l1S64cN32VXqc8LBtsIDnje06bZBHXJAO91oCHQ1sFX2t9VbUxTSHBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:48:32.382455Z"},"content_sha256":"445530200e3d60158cee765245c9358a32983ed224ca712c317923b8617227c8","schema_version":"1.0","event_id":"sha256:445530200e3d60158cee765245c9358a32983ed224ca712c317923b8617227c8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:2XEWECPFIA4VIDNG6JUUB7SCXN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MILC Code Performance on High End CPU and GPU Supercomputer Clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.comp-ph"],"primary_cat":"hep-lat","authors_text":"Carleton DeTar, Doug Toussaint, Ruizi Li, Steven Gottlieb","submitted_at":"2017-12-01T01:06:39Z","abstract_excerpt":"With recent developments in parallel supercomputing architecture, many core, multi-core, and GPU processors are now commonplace, resulting in more levels of parallelism, memory hierarchy, and programming complexity. It has been necessary to adapt the MILC code to these new processors starting with NVIDIA GPUs, and more recently, the Intel Xeon Phi processors. We report on our efforts to port and optimize our code for the Intel Knights Landing architecture. We consider performance of the MILC code with MPI and OpenMP, and optimizations with QOPQDP and QPhiX. For the latter approach, we concentr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00143","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":"2026-05-18T00:29:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pzcjrZ41AEGn73mTmMD5rlv9Pq1AbLPEbG1T0ITd3DIxQAuKxMMz+AYSBFcVA6NlbsPq0djbAuaO8k1t646fAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T06:48:32.382813Z"},"content_sha256":"ad2133b91ead7cf4763cd1f69dd5986261c5691565d3aa71304c302634a0f372","schema_version":"1.0","event_id":"sha256:ad2133b91ead7cf4763cd1f69dd5986261c5691565d3aa71304c302634a0f372"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2XEWECPFIA4VIDNG6JUUB7SCXN/bundle.json","state_url":"https://pith.science/pith/2XEWECPFIA4VIDNG6JUUB7SCXN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2XEWECPFIA4VIDNG6JUUB7SCXN/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":"2026-06-02T06:48:32Z","links":{"resolver":"https://pith.science/pith/2XEWECPFIA4VIDNG6JUUB7SCXN","bundle":"https://pith.science/pith/2XEWECPFIA4VIDNG6JUUB7SCXN/bundle.json","state":"https://pith.science/pith/2XEWECPFIA4VIDNG6JUUB7SCXN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2XEWECPFIA4VIDNG6JUUB7SCXN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:2XEWECPFIA4VIDNG6JUUB7SCXN","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":"aa29640c5b8520a629d16fb2b4bec4da3d55f9d3552cddbfd5626f084e775c14","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-12-01T01:06:39Z","title_canon_sha256":"2a170ec062ba073512320fca855763c0f95e650fc8a73e80068c7ea3359ffdf4"},"schema_version":"1.0","source":{"id":"1712.00143","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.00143","created_at":"2026-05-18T00:29:07Z"},{"alias_kind":"arxiv_version","alias_value":"1712.00143v1","created_at":"2026-05-18T00:29:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.00143","created_at":"2026-05-18T00:29:07Z"},{"alias_kind":"pith_short_12","alias_value":"2XEWECPFIA4V","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_16","alias_value":"2XEWECPFIA4VIDNG","created_at":"2026-05-18T12:30:55Z"},{"alias_kind":"pith_short_8","alias_value":"2XEWECPF","created_at":"2026-05-18T12:30:55Z"}],"graph_snapshots":[{"event_id":"sha256:ad2133b91ead7cf4763cd1f69dd5986261c5691565d3aa71304c302634a0f372","target":"graph","created_at":"2026-05-18T00:29:07Z","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":"With recent developments in parallel supercomputing architecture, many core, multi-core, and GPU processors are now commonplace, resulting in more levels of parallelism, memory hierarchy, and programming complexity. It has been necessary to adapt the MILC code to these new processors starting with NVIDIA GPUs, and more recently, the Intel Xeon Phi processors. We report on our efforts to port and optimize our code for the Intel Knights Landing architecture. We consider performance of the MILC code with MPI and OpenMP, and optimizations with QOPQDP and QPhiX. For the latter approach, we concentr","authors_text":"Carleton DeTar, Doug Toussaint, Ruizi Li, Steven Gottlieb","cross_cats":["physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-12-01T01:06:39Z","title":"MILC Code Performance on High End CPU and GPU Supercomputer Clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.00143","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":"sha256:445530200e3d60158cee765245c9358a32983ed224ca712c317923b8617227c8","target":"record","created_at":"2026-05-18T00:29:07Z","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":"aa29640c5b8520a629d16fb2b4bec4da3d55f9d3552cddbfd5626f084e775c14","cross_cats_sorted":["physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-lat","submitted_at":"2017-12-01T01:06:39Z","title_canon_sha256":"2a170ec062ba073512320fca855763c0f95e650fc8a73e80068c7ea3359ffdf4"},"schema_version":"1.0","source":{"id":"1712.00143","kind":"arxiv","version":1}},"canonical_sha256":"d5c96209e54039540da6f26940fe42bb7cad8fa04c0fe4b8d3f027c41f8d33b1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d5c96209e54039540da6f26940fe42bb7cad8fa04c0fe4b8d3f027c41f8d33b1","first_computed_at":"2026-05-18T00:29:07.193744Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:29:07.193744Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Te4NIy3JmM+8czJQ0X1vy+ez6f53Y82iOrJTlw0XYDtc1biP14CsV5TK6/153V++za5blhoXT1XEFdRmKLzADQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:29:07.194432Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.00143","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:445530200e3d60158cee765245c9358a32983ed224ca712c317923b8617227c8","sha256:ad2133b91ead7cf4763cd1f69dd5986261c5691565d3aa71304c302634a0f372"],"state_sha256":"54a48b3457cea50fa75a906a238c6943ad9e5b8790c8e18f65cca37984ae196c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UmuDuTsRp4HWY/Vou7EBYmwmL3dUruWGytk3Dp4QnNasehQPCONYX3oKCRQyQ+jiZAKlbdHF0OH0DoM0Qq6BCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T06:48:32.384856Z","bundle_sha256":"2d644d1f5b57ede92cde0c4c54c5b96e04c70c5d19c22f8fce22e88abd9717a1"}}