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| mithro | digshadow: So, I'm trying to finish off the HLC generation for ice40 | 21:36 |
|---|---|---|
| mithro | digshadow: However, I'm running into an issue where I get the following; | 21:36 |
| mithro | https://www.irccloud.com/pastebin/b9xbEsvs/ | 21:36 |
| tpb | Title: Snippet | IRCCloud (at www.irccloud.com) | 21:36 |
| mithro | Error 1: in check_rr_graph: node 5663 (IPIN) at (8,2) block=BLK_TL-PIO_R side=RIGHT has no fanin. <-- | 21:37 |
| digshadow | mithro: if you run your rr_graph dumper, does it show those pins are fully connected | 21:38 |
| digshadow | ie they to to a source and to some channels | 21:38 |
| mithro | digshadow: Which is the rr_graph dumper? | 21:38 |
| digshadow | the tool you wrote | 21:40 |
| digshadow | print_graph.py | 21:41 |
| digshadow | sorry it got moved out of the library to a dedicated module | 21:41 |
| digshadow | I should say | 21:41 |
| mithro | digshadow: Yeah -- looks like I broke it... | 21:47 |
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| mithro | digshadow: https://github.com/SymbiFlow/symbiflow-arch-defs/pull/125/files | 22:17 |
| tpb | Title: Small improvements to ice40 and rr_graph tools. by mithro · Pull Request #125 · SymbiFlow/symbiflow-arch-defs · GitHub (at github.com) | 22:17 |
| mithro | digshadow: I some how made print_graph.py *very* slow... | 22:19 |
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| mithro | digshadow: Fixed the performance -- now trying to figure out what is going on | 23:33 |
| mithro | This is confusing -- node 5663 seems to not be an IPIN? | 23:39 |
| mithro | jhol / daveshah: Does this make sense to you? | 23:49 |
| mithro | Cannot route from BLK_TL-PIO_L.io_0_D_IN[0] (rr_node: 16 type: SOURCE ptc: 8 xlow: 1 ylow: 2) to BLK_TL-PIO_L.io_0_D_OUT[0] (rr_node: 28 type: SINK ptc: 0 xlow: 1 ylow: 3) to -- no possible path | 23:49 |
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