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6D Router Lookahead#2445

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vaughnbetz merged 46 commits intomasterverilog-to-routing/vtr-verilog-to-routing:masterfrom

6d_router_lookaheadverilog-to-routing/vtr-verilog-to-routing:6d_router_lookaheadCopy head branch name to clipboard

Nov 24, 2023

Commits

Commits on Oct 24, 2023

• add another dimention, to_layer, to t_wire_cost_map - update test_map_lookahead with this new dim

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• update run_dijkstra to not skip nodes on other layers and update t_routing_cost_map to have 3 dim

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• update get_wire_cost_entry and set_lookahead_map_costs to accept both from_layer_num and to_layer_num

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• fix fill_in_missing_lookahead_entries with from_layer_num and to_layer_num

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• remove the special case for channel between different layers

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• impl get_tile_src_opin_max_ptc_from_rr_graph

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• remove the extra map to store seg type accessible from OPIN to other layers and store all info in a single map

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• update router lookahead extended map with the new changes

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• fix the function calling inside router_lookahead_map with the new interfaces

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• remove src_opin_inter_layer_delays from router_lookahead_map

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• pass the true src_opin_delay map to get_cost

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• pass to_layer_num to get_cost func of map_extended router lookahead

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• fix the index ordering of src_opin_delays

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Commits on Oct 26, 2023

• alloc swap data structure bb based on cube bb

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• add cube bb to check place

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• call comp bb based on cube bb in try place

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• remove unused variables

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• allocate the correct bb based on cube bb

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• update get_bb_from_scratch to accept num_pin_layer_sink

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• add num_sink_layer to update_bb - initialize the placement context of it regardless of being cube_Bb

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• move ts_layer_sink_pin_count initialization out of if block since it is used in both cases

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• add ts_layer_sink_pin_count to get_non_updateable_bb

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• update num_sink_layer in update_bb

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• add cube_bb under place context

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• use global cube_bb to check whether a union of bbs needs to be used

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• use cube bb to select the correct bb

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• remove unused variable

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• make format

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• initialize num_sink_pin_layer for all layer in upbdate_bb

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Commits on Nov 6, 2023

• Merge branch '3d_link_cost_in_placement' of https://github.com/verilog-to-routing/vtr-verilog-to-routing into 6d_router_lookahead

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• get physical_tile first

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• comment on why src_opin_... is resized

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• fix the debugging message for rr_graph node

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• add layer_num to info of reachable segments

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• set the cost to zero in the empty cost only if layers are equal

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• use the reachable segment layer num

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• remove redundant comments from timing_driven_route_connection_from_heap

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Commits on Nov 17, 2023

• Merge branch 'master' of https://github.com/verilog-to-routing/vtr-verilog-to-routing into 6d_router_lookahead

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• remove an unused parameter

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• fix how node layer is shown for rr node

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Commits on Nov 18, 2023

• comment on router lookahead 6d arrqy

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Commits on Nov 22, 2023

• Merge branch 'master' of https://github.com/verilog-to-routing/vtr-verilog-to-routing into 6d_router_lookahead

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Commits on Nov 23, 2023

• add comment on get_tile_src_opin_max_ptc_from_rr_graph

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• comment on t_wire_cost_map

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• fix some comments

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• fix a typo

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