Tuesday, 2021-03-02

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-_whitenotifier-5- [python-fpga-interchange] litghost opened issue #31: Optimize node and pip walking - https://git.io/JthRz02:07
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-_whitenotifier-5- [fasm] mithro opened issue #65: Why does building the antlr4_runtime clone utfcpp? - https://git.io/Jthw105:17
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sf-slack4<oooo69oo> Hello everybody. I am new and would like to start my adventure with FPGA / Verilog. I would also like to support the Open Source community in this adventure. How to start?15:53
sf-slack4<eddy.gta17> Hi. Is there support being built for Ultrascale96v2?15:58
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litghostWe have bitstream documentation for the UltraScale 96v2, but limited P&R support at this time16:14
litghostSomething was started a while back (https://github.com/SymbiFlow/symbiflow-arch-defs/pull/1651), but I don't know if it is still working and what was completed at the time16:34
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litghostacomodi: Didn't you have a quick way to compare two arch-defs QoR results?16:52
sf-slack4<acomodi> litghost: I'll check if I have something, but I doubt it16:55
litghostok16:55
sf-slack4<acomodi> might be worth adding this kind of check in CI. e.g. pulling the latest QoR from the continuous one and compare them with the one generated by presubmit already16:56
sf-slack4<kgugala> @litghost @acomodi we have sth like that in sv-tests (see e.g. https://github.com/SymbiFlow/sv-tests/pull/1368#issuecomment-787031986)17:00
litghostDefinitely17:00
sf-slack4<kgugala> this bot updates all the PRs with results diff17:01
litghostGiven that we have the "latest" links generator, can we add a "latest" QoR link?17:01
litghostWith that it wouldn't be too hard to add a results diff17:01
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sf-slack4<acomodi> Sure17:07
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-_whitenotifier-5- [symbiflow-arch-defs] litghost opened issue #2064: a - https://git.io/Jtjuu17:11
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lambdaI'm getting `Segment DB LIOB33, key LIOB33.IOB_Y0.LVCMOS12_LVCMOS15_LVCMOS18_LVCMOS25_LVCMOS33_LVTTL_SSTL135_SSTL15.IN_ONLY not found` from xcfasm, could this be due to a mismatch between tool versions?21:01
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sf-slack4<acomodi> lambda: this is most probably due to an update in the prjxray-db, LVDS_25 and TMDS_33 iostandards were recently added21:17
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lambdaalright, I'm trying to find out what I have to downgrade to get it to work again :p21:20
lambdaah, nevermind, I hadn't actually downgraded prjxray-db, works now21:21
sf-slack4<acomodi> Great21:22
lambdaI'm so glad I made packages for all this21:22
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lambdaon the other hand, what would be required to actually use TMDS33 properly? does arch-defs need changes?22:27
litghostThose IO standards are being added, as we do work on the GTP ports and are testing DisplayPort and LiteSATA22:30
lambdacool, I'll stick with VGA for now then22:34
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Loftylitghost: you around?23:55

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