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GMP mpq_cmp function features a lot of fast cases compared to Q.compare #160

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bobot opened this issue Mar 3, 2025 · 0 comments
Open

GMP mpq_cmp function features a lot of fast cases compared to Q.compare #160

bobot opened this issue Mar 3, 2025 · 0 comments

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@bobot
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bobot commented Mar 3, 2025

In GMP mpq_cmp avoid the actual comparison of the rational at most as possible:

  • comparing the number of limbs
  • comparing the number of bits

Does some benchmarks have been attempted to see if those optimisations are not useful? Would it be useful to use directly mpq_cmp ?
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