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@tcal-x tcal-x commented May 20, 2022

Generate files critpath.png and critpath.log in the build gateware/ directory. The PNG file contains a color-coded plot of placement color coded by LiteX, CPU, and CFU; the plot is overlayed with the critical path. The LOG file contains the text list of cells on the critical path, and also the color key for the placement.

To do: generalize to make it easy to adapt for ECP5, Nexus, or any other part that uses Nextpnr.

@tcal-x tcal-x marked this pull request as draft May 23, 2022 04:53
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tcal-x commented May 23, 2022

We might need to do an apt install of matplotlib if not using Conda.

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