https://news.ycombinator.com/user?id=epsilon537Hacker News RSShttps://hnrss.org/hnrss v2.1.1Sun, 24 May 2026 21:32:45 +0000Nextpnr and Project X-Ray are amazing projects. Reverse engineering the physical map of, say, a 7-series FPGA is no small feat. However, I wonder if they'll ever be able to really compete with Vivado without getting access to the characterization models for timing. I would love to switch over, but the Fmax of my project routed with nextpnr is less than half of what I get with Vivado.

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