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| cr1901 | At some point between Nov 24, 2021 and today, the segfault I was seeing in the symbiflow/f4pga plugins disappeared | 04:59 |
|---|---|---|
| cr1901 | I tried using a _local_ version of yosys that was "known to crash" on one of the plugins (Idk which), and I can no longer duplicate | 05:00 |
| cr1901 | (All this to say- I can't currently bisect to figure out the what got fixed) | 05:00 |
| cr1901 | other than it was something on the plugins side that appeared to have gotten fixed | 05:01 |
| cr1901 | Okay, I had a copy of plugins from Nov 24, 2021 still on my system... design_introspection.so is the culprit | 05:23 |
| cr1901 | ... which has not been updated in 7 months ._. | 05:29 |
| cr1901 | Well, cannot duplicate locally anymore. I had a version of design_introspection.so that I compiled locally on around Nov 24 that I _confirmed_ also had the bug | 06:10 |
| cr1901 | But when I compile the same commit now, there's no bug | 06:10 |
| cr1901 | At this point I'm satisfied there was a compiler bug or something | 06:10 |
| cr1901 | (that made it's way into the conda repos- Ubuntu 20.04- releated? But for whatever reason the devs couldn't duplicate locally) | 06:11 |
| F4PGASlackBridge | <evantandersen> hey, this may be an odd request - but is there anything that can be done short to medium term to improve the performance of yosys/nextpnr? specifically to reduce area to levels more comparable to IceCube. We are contemplating switching, and as a commercial operation we could toss some money at this if that would help | 09:44 |
| F4PGASlackBridge | <evantandersen> right now we're targeting lp1k (1280 lut). Icecube compiles our design to 1003, yosys-abc9 + nextpnr = 1230 | 09:44 |
| lkcl | evantanderson: you might like to consider asking the same question on libera.chat on #yosys and you'll likely find there's people there willing to take on commercial contracts | 10:02 |
| lkcl | which btw is great to hear about that you're willing to do that. | 10:04 |
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| Jay8 | Heyy | 10:28 |
| F4PGASlackBridge | <evantandersen> im not always in these channels, if you're interested, add me on discord: charliehorse55#2689 | 10:39 |
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| lkcl | evantandersen: you can "fix" that by using either the matrix bridge to libera.chat (which will effectively store-and-forward replies), or you can use an IRC relay such as BNC4YOU. | 10:55 |
| lkcl | another suggestion would be to set up a one-time corporate email address and publish it so that interested parties, particularly those seeing the IRC logs in say 1+ weeks time, could reach out | 10:57 |
| lambda | yeah, you might not have much luck handing a discord handle to IRC users ;) | 11:15 |
| lkcl | i didn't want to be the one to say it :) | 11:16 |
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