Wednesday, 2020-02-12

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* hackerfoo uploaded an image: outdegree.svg (91KB) < http://sandbox.hackerfoo.com:8008/_matrix/media/v1/download/sandbox.hackerfoo.com/VnhRBpRUHYRycyIOqMMymFyQ >02:40
tpbTitle: Qt SVG Document (at sandbox.hackerfoo.com:8008)02:40
hackerfooCount vs. out degree for the 50T rr_graph, log-log scale02:41
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-_whitenotifier-3- [symbiflow-arch-defs] litghost opened issue #1307: `minilitex` diff FASM test shows unknown bits - https://git.io/JvWIL15:23
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mithrossb: Can you re-ask here?16:44
ssbhi! do I understand correctly that in prjxray-db  there are no data for xc7a35t ftg256  device, so to play with nextpnr-xilinx I need to have full vivado setup ?16:46
mithrossb: The 35t is /really/ a 50t internally16:46
mithrossb: I believe we are in the process of fixing this too16:47
mithrossb: I believe https://github.com/SymbiFlow/prjxray-db/pull/10/files might contain what you need16:47
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ssbmithro, thanks! After a quick glance at master branch of mithro/prjxray-db I think I'm lost a bit.  I see artix7/xc7a35t* where * is cpg236 and csg324, but no ftg256 (I assumed it should be there?)16:59
mithrossb: It hasn't been merged yet16:59
mithrossb: https://github.com/mithro/prjxray-db/tree/master/artix716:59
tpbTitle: prjxray-db/artix7 at master · mithro/prjxray-db · GitHub (at github.com)16:59
mithrossb: Looks like we don't have the ftg256....17:00
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sf-slack<acomodi> being tilegrid and tileconn the same, it is a metter of getting the package_pins and yaml17:04
ssbmithro, okay, so if I understand correctly, then I need to follow through these steps: https://github.com/SymbiFlow/prjxray , starting from "Install Vivado 2017.2" ?17:06
tpbTitle: GitHub - SymbiFlow/prjxray: Documenting the Xilinx 7-series bit-stream format. (at github.com)17:06
litghostssb: It's a small change17:07
litghostssb: We'll get a PR update today ish to add support for the ftg25617:07
ssbawesome, thanks!17:08
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litghostssb: https://github.com/SymbiFlow/prjxray/pull/123117:19
tpbTitle: Add xc7a35tftg256 package to extra output. by litghost · Pull Request #1231 · SymbiFlow/prjxray · GitHub (at github.com)17:19
litghostOnce that is green and merged, and we push a new db you'll be good to go17:20
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hackerfooI wrote up an idea about RR graph compression: https://docs.google.com/document/d/1BOWCAKni9FWdsAuPER07xID4wlgeU1mg9I3LOJbsoHM/edit?usp=sharing19:52
tpbTitle: RRGraph Compression - Google Docs (at docs.google.com)19:52
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