Monday, 2018-05-07

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kem_FYI, I believe the switches in the rr_graph.xml need to match (exactly) those in the arch.xml. A mismatch may be why VPR is crashing with non __vpr_delayless_switch__ switches.15:53
daveshahkem_: thanks, that makes sense. I experimented a bit but I don't think I ever got them exactly matching15:55
kem_daveshah: I'd probably try asking VPR to dump an RR graph for your arch.xml and looking/copying the switches from the generated rr_graph.xml15:56
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mithrokem_: Yeah, we are taking that approach but digshadow-c was modifying the switches18:00
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digshadowFYI I just preserved switches and its routing18:24
digshadowI just tried counter though and it wants to use the carry chain18:27
digshadowwhich isn't currently hooked up I think18:27
jholdigshadow, there's a yosys option to disable carry18:34
jholsee my branch18:34
digshadowyeah just added it18:46
digshadowI'll merge in your branch18:46
digshadowjhol: which branch?18:48
jholthe hlc out one my github symbiflow-arch-defs repo18:49
mithro<jhol> to test the HLC output, you will need the following branches:18:49
mithro2:40 PM J<jhol> https://github.com/jhol/symbiflow-arch-defs/commits/hlc-out18:49
mithro2:40 PM T<tpb> Title: Commits · jhol/symbiflow-arch-defs · GitHub (at github.com)18:49
mithro2:40 PM J<jhol> https://github.com/jhol/vtr-verilog-to-routing/commits/hlc18:49
mithro2:40 PM T<tpb> Title: Commits · jhol/vtr-verilog-to-routing · GitHub (at github.com)18:49
mithro2:40 PM J<jhol> https://github.com/jhol/icestorm/commits/hlc-work18:49
mithro2:40 PM T<tpb> Title: Commits · jhol/icestorm · GitHub (at github.com)18:49
tpbTitle: Commits · jhol/symbiflow-arch-defs · GitHub (at github.com)18:49
tpbTitle: Commits · jhol/vtr-verilog-to-routing · GitHub (at github.com)18:49
tpbTitle: Commits · jhol/icestorm · GitHub (at github.com)18:49
digshadowwhy do you need an icestorm branch?18:51
jholdigshadow: because I made patches to icebox_hlc2asc.py19:03
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mithrodigshadow: Which of your branch should I be looking at?22:46
digshadowrr_graph_lib22:47
mithrojhol: Can you add signoff to your changes in the hlc-out branch?22:53
mithrojhol: I created a pull request for them here -> https://github.com/SymbiFlow/symbiflow-arch-defs/pull/110/files22:53
tpbTitle: Fixes for supporting HLC output by mithro · Pull Request #110 · SymbiFlow/symbiflow-arch-defs · GitHub (at github.com)22:53

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