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Re:Show HN: OSQP: a new first-order solver for large-scale q... by wenc on Sunday November 26, 2017 @10:08PM (#15784534)
If you can write your models in AMPL or GAMS or some modeling language, you would be able to test IPOPT's raw speed.

I used IPOPT from AMPL for years and it is a formidable solver for general large-sparse NLPs. It would be nice to see benchmarks against it.

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