08:16 <mithro> https://docs.google.com/document/d/17QBzXAul8ioGL7WeTXk0awwspGIDZBZgTYUKy5oT_Gg/edit

08:16 <tpb> Title: Building real world rr_graphs to use with VPR - Google Docs (at docs.google.com)

08:16 <mithro> https://docs.google.com/drawings/d/1qREImoaUjWDSsnbimDu-Mig3_M9hTr-6q-zbPd2VPEM/edit

08:16 <tpb> Title: Verilog to Routing (VtR / VPR) - Carry Chain + Pack Patterns - Google Drawings (at docs.google.com)

08:16 <mithro> https://docs.google.com/drawings/d/1HboOHOZ2RtWdcra1ezlrmW7_wfWgwqtzK75LevIa9tE/edit

08:17 <tpb> Title: iCE40 - Tracks stuff - Google Drawings (at docs.google.com)

08:17 <mithro> https://docs.google.com/drawings/d/1tyuFQk9B8oEcdbSt7T_SyF8HAPLPh84Q-k6NIDQxOvo/edit

08:17 <tpb> Title: iCE4 - iCE40 with only 4x4 tiles - Google Drawings (at docs.google.com)

08:17 <mithro> https://docs.google.com/document/d/1kTehDgse8GA2af5HoQ9Ntr41uNL_NJ43CjA32DofK8E/edit#heading=h.cgq2gbm5d8s1

08:17 <tpb> Title: VPR and iCE40 Information - Google Docs (at docs.google.com)

08:17 <mithro> https://docs.google.com/drawings/d/1FhdU-KdJi7LACPniHD5Zin9WlbuoqobUxA8Uaskz6R8/edit

08:17 <tpb> Title: Mux Timing inside iCE40 - Google Drawings (at docs.google.com)

08:19 <mithro> https://docs.google.com/drawings/d/1FhdU-KdJi7LACPniHD5Zin9WlbuoqobUxA8Uaskz6R8/edit

08:19 <tpb> Title: Mux Timing inside iCE40 - Google Drawings (at docs.google.com)

09:35 <kgugala> I sumed up what seem to ba causing troubles in specialized carry chains packing https://github.com/SymbiFlow/vtr-verilog-to-routing/issues/8#issuecomment-465057244

09:35 <tpb> Title: Placer cannot handle slice_l and slice_r carry chains in the same CLB · Issue #8 · SymbiFlow/vtr-verilog-to-routing · GitHub (at github.com)

09:36 <kgugala> *seems to be

10:39 <acomodi> I have updated the SLICEM issue findings: https://github.com/SymbiFlow/symbiflow-arch-defs/issues/372#issuecomment-465079017

10:39 <tpb> Title: VTR cannot pack slicem.carrychain · Issue #372 · SymbiFlow/symbiflow-arch-defs · GitHub (at github.com)

14:55 <mkurc> I've added some comments & thoughts about #294. It seems to me that it cannot be done. https://github.com/SymbiFlow/symbiflow-arch-defs/issues/294

14:55 <tpb> Title: Move VPR specific yosys tech maps into symbiflow-arch-defs · Issue #294 · SymbiFlow/symbiflow-arch-defs · GitHub (at github.com)

23:14 <mithro> Morning everyone

23:15 <mithro> kgugala / acomodi: I would suggest for the carry-chain stuff, just support only one carry chain in a tile for now -- choose one of the slices to have it

23:49 <litghost> mithro: I think I have BRAM's figured out, needs a new DB push once https://github.com/SymbiFlow/prjxray/pull/668

23:49 <tpb> Title: Add CASCOUT_*_ACTIVE bits. by litghost · Pull Request #668 · SymbiFlow/prjxray · GitHub (at github.com)