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def_parser
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# DEF parser and clustering ``` Usage: def_parser.py [--design=DESIGN] [--clust-meth=METHOD] [--seed=<seed>] [CLUSTER_AMOUNT ...] [--manhattanwl] [--mmstwl] [--cnwl] [--bb=<method>] [--deffile=DEF] [--udm=VALUE] [--leftech=TECH] [--segments] [--bold] def_parser.py (--help|-h) def_parser.py [--design=DESIGN] (--digest) [--manhattanwl] [--mmstwl] [--cnwl] [--bb=<method>] [--deffile=DEF] [--udm=VALUE] [--leftech=TECH] [--segments] Options: --design=DESIGN Design to cluster. One amongst ldpc, ldpc-2020, flipr, boomcore, boomcore-2020, spc, spc-2020, spc-bufferless-2020, ccx, ccx-in3, ccx-in3-du10, ccx-in3-du85, ldpc-4x4-serial, ldpc-4x4, ldpc-4x4-serial-2022, ldpc-4x4-serial-delBuffPy-2022, ldpc-4x4-serial-delBuff-2022, ldpc-4x4-serial-pre-CTS-2022, ldpc-4x4-full-2022, ldpc-4x4-full-noFE-2022, ldpc-4x4-full-delBUFF-2022, ldpc-4x4-full-preCTS-2022, ldpc-4x4-full-delBuffPy-2022, smallboom, armm0,msp430, megaboom-pp-bl, megaboom-pp-bt, mempool-tile-bl, mempool-tile-bt, mempool-group-bl, mempool-group-FP-noFE, mempool-tile-post-FP, mempool-tile-post-FP-noFE, mempool-tile-pp, mempool-tile-pp-noFE. --clust-meth=METHOD Clustering method to use. One amongst progressive-wl, random, Naive_Geometric, hierarchical-geometric, kmeans-geometric, kmeans-random, onetoone. or metal. [default: random] --seed=<seed> RNG seed CLUSTER_AMOUNT ... Number of clusters to build. Multiple arguments allowed. --manhattanwl Compute nets wirelength as Manhattan distance. --mmstwl Compute nets wirelength as MMST (Mixed Minimal Steiner Tree). --cnwl Compute nets wirelength as Closest Neighbourg (slower, but more accurate). --bb=<method> Bounding box computation method: cell or pin. --digest Print design's info and exit. --deffile=DEF Path to DEF file, superseded by --design. --udm=VALUE UNITS DISTANCE MICRONS, e.g. 10000, superseded by --design --leftech=TECH LEF tech used, e.g. 7nm, superseded by --design --segments Compute the Manhattan segment length of each net into WLnets_wegments.out --bold Suppress the clustering sanity checks -h --help Print this help ``` ## Input files ### DEF This script needs a fully placed and routed design as a DEF file. ### LEF Technology file, needed for the geometry and names of the standard cells. ## Output files ### CellCoord.out Each line is ```<net name>, <instance name>, <x coordinate [float]>, <y coordinate [float]>```. ### InstancesPerNet.out Each line is ```<net name> <instance name 1> <...> <instance name n>```. ### Nets.out Each line is ```<net name>```. ### WLnets.out Header: ```NET NUM_PINS LENGTH``` Then each line is ```<net name> <number of pins [integer]> <length in µm [float]>```. ### Design_net_wl.csv The nets are first sorted based on their length. Header: ```Net_name net_wire_length cumulated_wire_length %_of_nets```. - Column 1: name of the net - Column 2: length of the net in µm [float] - Column 3: Cumulated total wire length in µm of the nets so far. This should be equal to the design total wire length for the last line. - Column 4: Percentage of the total amount of nets so far. This should be equal to 100% for the last line. ### Clusters.out Each line: ```<cluster name>``` In all the custom clustering methods, the cluster name is its ID, starting at 0 then incrementing by 1. ### ClustersArea.out Header: ```Name Type InstCount Boundary Area``` - Column 1: ```<cluster name>```, same as in ```Clusters.out``` - Column 2: Type of cluster, ```exclusive``` by default. - Column 3: Amount of instances in the cluster [integer] - Column 4: Coordinates of the cluster's bottom left corner, ```(<x coordinate [float]>,<y coordinate [float]>)``` - Column 5: Coordinates of the cluster's top right corner, ```(<x coordinate [float]>,<y coordinate [float]>)``` Columns 4 and 5 only make sense if the cluster is rectangular shaped. - Column 6: area of the cluster in µm2 [float] ### ClustersInstances.out Each line: ```<cluster name> <instance name 1> <...> <instance name n>```.
