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| ananan | nvm, turned out my top module was broken and that this was just a side effect | 00:04 |
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| az0re | Any ideas why I get "free(): invalid pointer" in the SigChunk destructor (called from the destructor for std::vector<SigChunk>)? | 01:04 |
| az0re | All the SigChunks are constructed from SigSpecs, like "if (sigspec.is_wire()) return SigChunk(sigspec.as_wire()); else if (sigspec.is_fully_const()) return SigChunk(sigspec.as_const());" | 01:13 |
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| awygle | are there changes i could make to my logic to ease the burden on the nextpnr router? constructs it particularly hates or anything? | 03:40 |
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| pepijndevos | I think I have a bit different sleep schedule than mwk... | 05:58 |
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| tnt | awygle: less wires / more timing margin so it can move stuff around ? | 06:23 |
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| Lofty | awygle: you might have to manually retime your logic | 09:12 |
| Lofty | nextpnr seems to really benefit from retiming, but neither Yosys nor nextpnr perform it at present | 09:14 |
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| daveshah | Reducing fanout can sometimes help, too | 09:28 |
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| tnt | When I have a "synthesis script" that starts with "yosys -import", how am I supposed to execute it ? Doesn't seem like either using the -c or -s option work. | 18:56 |
| daveshah | That is a Tcl script | 19:03 |
| daveshah | yosys -import moves Yosys commands into tcl space so they can be called directly rather than being prefixed by yosys | 19:04 |
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| tnt | daveshah: ah thanks, I'll try that. I might have screwed up the first time around. | 20:07 |
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| emeb | Banging on some ice40 up5k stuff and it seems that the LED current driver pins RGB[2:0] are swapped around - regardless of what I put in the .pcf file, RGB0 always drives pin 39 and RGB2 always drives pin 41. | 23:44 |
| emeb | (on the sg48 pkg) | 23:44 |
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