[Octave-bug-tracker] [bug #58926] Octave gives wrong results with intel-mkl when diagonalizing large matrices

[anonymous]

Follow-up Comment #6, bug #58926 (project octave):

@OP: That is enough information to localize that the bug is not within Octave,
since openblas gives the correct answer.

If you type

export MKL_THREADING_LAYER=gnu

at the bash prompt before invoking Octave, does the error go away? If so, that
would confirm that the error is between IOMP and GOMP. The MKL was given a Gnu
compatibility mode to solve that problem.

If that workaround works, add the "export" line to your .bashrc file and
Octave will work with MKL without surprises.

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