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@kintel kintel commented Oct 25, 2025

We currently use the CGAL::Cartesian<Gmpq> kernel. The main challenge with this kernel is that it has severe performance challenges. Discussing with some CGAL folks revealed that the Epeck "filtered" kernel should give the same guarantees as this kernel, but will only use Gmpq numbers when necessary, yielding a significant performance boost compared to the kernel we use today.

Before making the switch, we need to run a significant amount of corner-case tests + performance tests to both validate the performance impact and make sure we don't introduce any stability issues.

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