COPY_BOUNDARY {"after":2,"before":1,"copies":[{"copy":"CopyOperation { source: BlockValueId(92), source_offset: 0, destination: BlockValueId(164347), destination_offset: 0, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(345))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(1))","tile":0},{"copy":"CopyOperation { source: BlockValueId(92), source_offset: 16, destination: BlockValueId(164347), destination_offset: 16, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(345))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(1))","tile":0},{"copy":"CopyOperation { source: BlockValueId(313), source_offset: 0, destination: BlockValueId(164568), destination_offset: 1024, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(345))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(1))","tile":221},{"copy":"CopyOperation { source: BlockValueId(313), source_offset: 16, destination: BlockValueId(164568), destination_offset: 1040, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(345))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(1))","tile":221}],"next":"WorkProvenance { operation: Some(OperationId(0)), value: Some(MidValueId(523)), reason: OperatorInputs }","previous":"WorkProvenance { operation: Some(OperationId(0)), value: Some(MidValueId(345)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":11,"before":10,"copies":[{"copy":"CopyOperation { source: BlockValueId(175293), source_offset: 0, destination: BlockValueId(186877), destination_offset: 0, bytes: 2048, pattern: Contiguous }","destination":"Value(MidValueId(375))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(358))","tile":0},{"copy":"CopyOperation { source: BlockValueId(175518), source_offset: 0, destination: BlockValueId(187102), destination_offset: 3072, bytes: 1024, pattern: Contiguous }","destination":"Value(MidValueId(375))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(358))","tile":225},{"copy":"CopyOperation { source: BlockValueId(175687), source_offset: 2048, destination: BlockValueId(187271), destination_offset: 2048, bytes: 1024, pattern: Contiguous }","destination":"Value(MidValueId(375))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(358))","tile":394}],"next":"WorkProvenance { operation: Some(OperationId(4)), value: Some(MidValueId(525)), reason: OperatorInputs }","previous":"WorkProvenance { operation: Some(OperationId(4)), value: Some(MidValueId(375)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":15,"before":14,"copies":[{"copy":"CopyOperation { source: BlockValueId(191737), source_offset: 0, destination: BlockValueId(193195), destination_offset: 0, bytes: 3456, pattern: Contiguous }","destination":"Value(MidValueId(381))","hoist":false,"precise_after":[false,false,false],"precise_before":[false,false,false],"sink":true,"source":"Value(MidValueId(378))","tile":0}],"next":"WorkProvenance { operation: None, value: None, reason: OperatorInputs }","previous":"WorkProvenance { operation: Some(OperationId(5)), value: Some(MidValueId(381)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":32,"before":31,"copies":[{"copy":"CopyOperation { source: BlockValueId(176616), source_offset: 0, destination: BlockValueId(198827), destination_offset: 0, bytes: 1024, pattern: Contiguous }","destination":"Value(MidValueId(403))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(360))","tile":0},{"copy":"CopyOperation { source: BlockValueId(176713), source_offset: 0, destination: BlockValueId(198924), destination_offset: 4096, bytes: 512, pattern: Contiguous }","destination":"Value(MidValueId(403))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(360))","tile":97},{"copy":"CopyOperation { source: BlockValueId(176884), source_offset: 512, destination: BlockValueId(199095), destination_offset: 3072, bytes: 512, pattern: Contiguous }","destination":"Value(MidValueId(403))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(360))","tile":268}],"next":"WorkProvenance { operation: Some(OperationId(14)), value: Some(MidValueId(601)), reason: OperatorInputs }","previous":"WorkProvenance { operation: Some(OperationId(14)), value: Some(MidValueId(403)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":37,"before":36,"copies":[{"copy":"CopyOperation { source: BlockValueId(207845), source_offset: 0, destination: BlockValueId(209303), destination_offset: 0, bytes: 1152, pattern: Contiguous }","destination":"Value(MidValueId(413))","hoist":false,"precise_after":[false,false,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(411))","tile":0}],"next":"WorkProvenance { operation: Some(OperationId(17)), value: None, reason: OperatorInputs }","previous":"WorkProvenance { operation: Some(OperationId(16)), value: Some(MidValueId(413)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":41,"before":40,"copies":[{"copy":"CopyOperation { source: BlockValueId(177939), source_offset: 0, destination: BlockValueId(215501), destination_offset: 0, bytes: 3584, pattern: Strided { rows: 7, row_bytes: 512, source_stride: 512, destination_stride: 3072 } }","destination":"Value(MidValueId(421))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(364))","tile":0}],"next":"WorkProvenance { operation: Some(OperationId(18)), value: Some(MidValueId(603)), reason: OperatorInputs }","previous":"WorkProvenance { operation: Some(OperationId(18)), value: Some(MidValueId(421)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":48,"before":47,"copies":[{"copy":"CopyOperation { source: BlockValueId(179413), source_offset: 0, destination: BlockValueId(229538), destination_offset: 0, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":0},{"copy":"CopyOperation { source: BlockValueId(179413), source_offset: 16, destination: BlockValueId(229538), destination_offset: 16, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":0},{"copy":"CopyOperation { source: BlockValueId(179413), source_offset: 512, destination: BlockValueId(229538), destination_offset: 512, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":0},{"copy":"CopyOperation { source: BlockValueId(179413), source_offset: 528, destination: BlockValueId(229538), destination_offset: 528, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":0},{"copy":"CopyOperation { source: BlockValueId(179413), source_offset: 1024, destination: BlockValueId(229538), destination_offset: 1024, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":0},{"copy":"CopyOperation { source: BlockValueId(179413), source_offset: 1040, destination: BlockValueId(229538), destination_offset: 1040, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":0},{"copy":"CopyOperation { source: BlockValueId(179413), source_offset: 1536, destination: BlockValueId(229538), destination_offset: 1536, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":0},{"copy":"CopyOperation { source: BlockValueId(179413), source_offset: 1552, destination: BlockValueId(229538), destination_offset: 1552, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":0},{"copy":"CopyOperation { source: BlockValueId(179413), source_offset: 2048, destination: BlockValueId(229538), destination_offset: 2048, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":0},{"copy":"CopyOperation { source: BlockValueId(179413), source_offset: 2064, destination: BlockValueId(229538), destination_offset: 2064, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":0},{"copy":"CopyOperation { source: BlockValueId(179521), source_offset: 2048, destination: BlockValueId(229646), destination_offset: 12800, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":108},{"copy":"CopyOperation { source: BlockValueId(179521), source_offset: 2064, destination: BlockValueId(229646), destination_offset: 12816, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":108},{"copy":"CopyOperation { source: BlockValueId(179521), source_offset: 2560, destination: BlockValueId(229646), destination_offset: 13312, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":108},{"copy":"CopyOperation { source: BlockValueId(179521), source_offset: 2576, destination: BlockValueId(229646), destination_offset: 13328, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":108},{"copy":"CopyOperation { source: BlockValueId(179521), source_offset: 3072, destination: BlockValueId(229646), destination_offset: 13824, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":108},{"copy":"CopyOperation { source: BlockValueId(179521), source_offset: 3088, destination: BlockValueId(229646), destination_offset: 13840, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":108},{"copy":"CopyOperation { source: BlockValueId(179630), source_offset: 1536, destination: BlockValueId(229755), destination_offset: 5120, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":217},{"copy":"CopyOperation { source: BlockValueId(179630), source_offset: 1552, destination: BlockValueId(229755), destination_offset: 5136, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":217},{"copy":"CopyOperation { source: BlockValueId(179630), source_offset: 2048, destination: BlockValueId(229755), destination_offset: 5632, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":217},{"copy":"CopyOperation { source: BlockValueId(179630), source_offset: 2064, destination: BlockValueId(229755), destination_offset: 5648, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":217},{"copy":"CopyOperation { source: BlockValueId(179630), source_offset: 2560, destination: BlockValueId(229755), destination_offset: 6144, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":217},{"copy":"CopyOperation { source: BlockValueId(179630), source_offset: 2576, destination: BlockValueId(229755), destination_offset: 6160, bytes: 256, pattern: Strided { rows: 16, row_bytes: 16, source_stride: 32, destination_stride: 32 } }","destination":"Value(MidValueId(433))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(366))","tile":217}],"next":"WorkProvenance { operation: Some(OperationId(21)), value: Some(MidValueId(605)), reason: OperatorInputs }","previous":"WorkProvenance { operation: Some(OperationId(21)), value: Some(MidValueId(433)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":57,"before":56,"copies":[{"copy":"CopyOperation { source: BlockValueId(154602), source_offset: 0, destination: BlockValueId(246368), destination_offset: 0, bytes: 2048, pattern: Contiguous }","destination":"Value(MidValueId(452))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(331))","tile":0}],"next":"WorkProvenance { operation: Some(OperationId(26)), value: Some(MidValueId(607)), reason: OperatorInputs }","previous":"WorkProvenance { operation: Some(OperationId(26)), value: Some(MidValueId(452)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":72,"before":71,"copies":[{"copy":"CopyOperation { source: BlockValueId(257933), source_offset: 0, destination: BlockValueId(257949), destination_offset: 0, bytes: 144, pattern: Contiguous }","destination":"Value(MidValueId(482))","hoist":false,"precise_after":[false,false,false],"precise_before":[false,false,false],"sink":true,"source":"Value(MidValueId(481))","tile":0},{"copy":"CopyOperation { source: BlockValueId(257949), source_offset: 0, destination: BlockValueId(257950), destination_offset: 0, bytes: 2304, pattern: Contiguous }","destination":"Value(MidValueId(483))","hoist":false,"precise_after":[false,true,false],"precise_before":[true,false,false],"sink":false,"source":"Value(MidValueId(482))","tile":0},{"copy":"CopyOperation { source: BlockValueId(257950), source_offset: 0, destination: BlockValueId(467908), destination_offset: 0, bytes: 128, pattern: Contiguous }","destination":"Staging","hoist":true,"precise_after":[false,false,false],"precise_before":[false,false,false],"sink":true,"source":"Value(MidValueId(483))","tile":0}],"next":"WorkProvenance { operation: Some(OperationId(37)), value: Some(MidValueId(484)), reason: LayoutRearrangement }","previous":"WorkProvenance { operation: Some(OperationId(35)), value: Some(MidValueId(482)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":77,"before":76,"copies":[{"copy":"CopyOperation { source: BlockValueId(262487), source_offset: 0, destination: BlockValueId(262775), destination_offset: 0, bytes: 8, pattern: Contiguous }","destination":"Value(MidValueId(492))","hoist":false,"precise_after":[false,false,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(489))","tile":0}],"next":"WorkProvenance { operation: Some(OperationId(39)), value: None, reason: OperatorInputs }","previous":"WorkProvenance { operation: Some(OperationId(38)), value: Some(MidValueId(492)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":80,"before":79,"copies":[{"copy":"CopyOperation { source: BlockValueId(262872), source_offset: 0, destination: BlockValueId(262904), destination_offset: 0, bytes: 72, pattern: Contiguous }","destination":"Value(MidValueId(497))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(496))","tile":0},{"copy":"CopyOperation { source: BlockValueId(262904), source_offset: 0, destination: BlockValueId(471004), destination_offset: 0, bytes: 64, pattern: Contiguous }","destination":"Staging","hoist":false,"precise_after":[false,false,false],"precise_before":[false,false,false],"sink":true,"source":"Value(MidValueId(497))","tile":0}],"next":"WorkProvenance { operation: Some(OperationId(40)), value: Some(MidValueId(498)), reason: LayoutRearrangement }","previous":"WorkProvenance { operation: Some(OperationId(39)), value: Some(MidValueId(497)), reason: LayoutRearrangement }"} COPY_BOUNDARY {"after":86,"before":85,"copies":[{"copy":"CopyOperation { source: BlockValueId(271517), source_offset: 0, destination: BlockValueId(272541), destination_offset: 0, bytes: 16, pattern: Contiguous }","destination":"Value(MidValueId(509))","hoist":false,"precise_after":[false,true,false],"precise_before":[false,false,false],"sink":false,"source":"Value(MidValueId(507))","tile":0},{"copy":"CopyOperation { source: BlockValueId(272541), source_offset: 0, destination: BlockValueId(475080), destination_offset: 0, bytes: 448, pattern: Contiguous }","destination":"Staging","hoist":false,"precise_after":[false,false,false],"precise_before":[true,false,false],"sink":true,"source":"Value(MidValueId(509))","tile":0}],"next":"WorkProvenance { operation: Some(OperationId(43)), value: Some(MidValueId(510)), reason: LayoutRearrangement }","previous":"WorkProvenance { operation: Some(OperationId(42)), value: Some(MidValueId(509)), reason: LayoutRearrangement }"} 2026-09-11T15:40:51.705585Z INFO eliminated unread FP8 cast input padding clears removed=1386 2026-09-11T15:40:52.499007Z INFO benchmarked mid-to-low expansion expand_ms=7242.762006000001 tile_lists_ms=202.899236