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Numerical issues in NaN management #6

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AlePalu opened this issue Mar 27, 2023 · 0 comments
Open

Numerical issues in NaN management #6

AlePalu opened this issue Mar 27, 2023 · 0 comments
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investigation-needed requires in-depth analysis to find what isn't working test-fail the problem cause at least one test to fail

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@AlePalu
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AlePalu commented Mar 27, 2023

Test STRPDE.Test6_Laplacian_NonParametric_GeostatisticalAtLocations_TimeLocations_Separable_Monolithic_MissingData fails on some systems with an L-infinity norm on the error of 2.15e-09 (computed at line 479 of file STRPDETest.cpp).

This problem never occurs when running the test on github's servers nor affects all systems. Compiler flags are set correctly (-ffast-math disabled). Tolerance on the test DOUBLE_TOLERANCE = 1e-10.

Details of the system where the test fail: Ubuntu 22.04.1 running via wsl (version 2) on Windows 11. compiler toolchain: mk2022.0 (https://github.com/elauksap/mk/releases/) using gcc 11.2.0.
Test doesn't fail for instance on MacOSVentura13.0.1 running linux on docker (https://hub.docker.com/r/elauksap/hpc_courses/tags).
@AlePalu AlePalu added investigation-needed requires in-depth analysis to find what isn't working test-fail the problem cause at least one test to fail labels Mar 27, 2023
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