mpi: Speedup index_glb_to_loc

[FabioLuporini]

No description provided.

[codecov]

Codecov Report

Merging #1748 (7cfa884) into master (18c842a) will decrease coverage by 0.16%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1748      +/-   ##
==========================================
- Coverage   89.62%   89.45%   -0.17%     
==========================================
  Files         209      204       -5     
  Lines       33676    33129     -547     
  Branches     4368     4335      -33     
==========================================
- Hits        30182    29637     -545     
+ Misses       2996     2988       -8     
- Partials      498      504       +6     

Impacted Files	Coverage Δ
devito/data/decomposition.py	83.74% <100.00%> (ø)
examples/seismic/elastic/elastic_example.py	47.22% <0.00%> (-30.56%)	⬇️
...mples/seismic/viscoelastic/viscoelastic_example.py	47.22% <0.00%> (-30.56%)	⬇️
...les/seismic/viscoacoustic/viscoacoustic_example.py	45.00% <0.00%> (-25.00%)	⬇️
examples/seismic/tti/tti_example.py	35.13% <0.00%> (-21.63%)	⬇️
examples/seismic/acoustic/acoustic_example.py	30.90% <0.00%> (-20.00%)	⬇️
examples/seismic/acoustic/operators.py	79.48% <0.00%> (-16.67%)	⬇️
examples/seismic/preset_models.py	48.25% <0.00%> (-16.28%)	⬇️
examples/seismic/model.py	84.92% <0.00%> (-6.54%)	⬇️
examples/seismic/self_adjoint/operators.py	95.38% <0.00%> (-4.62%)	⬇️
... and 10 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 18c842a...7cfa884. Read the comment docs.