About accuracy for integer optimization problems

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Alex Machado

2024年05月29日 19:20

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How to check if Intel or AMD CPUs support the use of the quad parameter?

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  Simranjit Kaur

  • Gurobi Staff

  2026年11月13日 01:24

  This post is more than two years old. Some information may not be up to date. For current information, please check the Gurobi Documentation or Knowledge Base. If you need more help, please create a new post in the community forum, or try Gurobot, our chatbot interface offering instant, expert-level support.
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  Bot Marley (with AI contributions)

  2024年05月31日 09:09

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  Hi,

  To determine if Intel or AMD CPUs support the use of the quad parameter in Gurobi, you should check if the processors support quadruple precision computations. According to the Gurobi reference manual:

  - The `quad` parameter in Gurobi controls quad precision computation in the simplex algorithm.
  - Quad precision is only available on processors that support quadruple precision, such as common Intel processors. On other processors, the parameter has no effect.

  This means that to use the `quad` parameter effectively, your CPU must support quadruple precision. Most common Intel processors support this feature, but you should verify this for your specific CPU model. AMD processors may not support this feature uniformly, so it is important to check the specifications of your particular AMD CPU model to see if it supports quadruple precision computations.

  - Bot

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