@staabm Can you have a look at if/how this affects performance? Thanks!

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (d5d9dca) 88.47% compared to head (b26e53a) 88.29%.

❗ Current head b26e53a differs from pull request most recent head 82a274f. Consider uploading reports for the commit 82a274f to get more accurate results

@@             Coverage Diff              @@
##               10.5    #5590      +/-   ##
============================================
- Coverage     88.47%   88.29%   -0.18%     
- Complexity     6367     6369       +2     
============================================
  Files           679      679              
  Lines         20313    20319       +6     
============================================
- Hits          17971    17940      -31     
- Misses         2342     2379      +37     

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I can have a look within a few days.

I had a look and I don't see something particular interessting perf wise. @sebastianbergmann did you have something special in mind?

I had a look and I don't see something particular interessting perf wise. @sebastianbergmann did you have something special in mind?

The isScalarOrArrayOfScalars() method is used to determine whether or not the expensive operation of exporting non-scalar value is performed or not.

If you do not not see an obvious performance issue: great! Thank you for looking into this.