Monday, 2021-05-24

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sf-slack<vastarparaakshar> Hey, We almost completed our first program using symbiflow with Arty-35T boards, it’s quite working well in the hardware well, Though we are trying do a simulation using this https://symbiflow.readthedocs.io/en/latest/vtr-verilog-to-routing/doc/src/tutorials/timing_simulation/index.html  but it stuck at computing wire look ahead10:01
tpbTitle: Post-Implementation Timing Simulation SymbiFlow (at symbiflow.readthedocs.io)10:01
sf-slack<vastarparaakshar> @cjearls unless i don’t do this, slack won’t notify you . So it’s fine!10:01
sf-slack<acomodi> Hi @vastarparaakshar, given that the lookahead and rr_graph are precomputed (also the place_delay_matrix), I think you should provide those when calling `vpr`10:09
sf-slack<vastarparaakshar> SUre10:13
sf-slack<vastarparaakshar> I would try that today.10:13
sf-slack<vastarparaakshar> What value should i put in10:13
sf-slack<vastarparaakshar> ?10:13
sf-slack<vastarparaakshar> range.10:13
sf-slack<vastarparaakshar> And how can we provide precomputed files to vpr maybe simple commands would help10:16
sf-slack<acomodi> `--read_rr_graph <rr graph file> --read_placement_delay_lookup <placement delay lookup file> --read_router_lookahead <lookahead file> --router_lookahead extended_map`10:19
sf-slack<acomodi> all the required files are in the installation package alongside with the XML10:20
sf-slack<acomodi> If you cannot find those, you can check the VPR log files from packing, placement or routing, which display the full VPR command with all the arguments10:22
sf-slack<vastarparaakshar> Donw.10:22
sf-slack<vastarparaakshar> Thanks i would do that10:22
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mithroacomodi: I think I have a working version of linguist...14:40
sf-slack<acomodi> mithro: great, I guess that we could have a fork and use that in the checks action14:43
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mithroacomodi: https://github.com/github/linguist/pull/538215:03
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