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  • !4001

[cmake] Use a better FindMKL.cmake which includes also linker flags.

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Merged Lars Bilke requested to merge bilke/ogs:find-mkl into master Feb 16, 2022
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Also added CMake option OGS_EIGEN_USE_MKL, see https://eigen.tuxfamily.org/dox/TopicUsingIntelMKL.html.


Some questions:

  • Do we need 64-bit indices? See https://www.smcm.iqfr.csic.es/docs/intel/mkl/mkl_userguide/MKL_UG_linking_your_application/Support_for_ILP64_Programming.htm -> Can be enabled with MKL_USE_interface=ilp64 but seems to be not supported by Eigen
  • Do we have a benchmark which uses MKL (for testing)? -> ogs-Mechanics/Linear/cube_1e0_mkl

Fixes #3259 (closed).

  1. Feature description was added to the changelog
  2. Tests covering your feature were added?
  3. Any new feature or behavior change was documented?
Edited Feb 17, 2022 by Dmitry Yu. Naumov
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Source branch: find-mkl