test_ridge_regression_vstacked_X is not stable
See original GitHub issueintroduced in #22910.
@lorentzenchr was it tested on “all” random seeds ? (SKLEARN_TESTS_GLOBAL_RANDOM_SEED=all
)
Issue Analytics
- State:
- Created a year ago
- Comments:6 (6 by maintainers)
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Top GitHub Comments
If
sag
uses BLAS, it’s possible that rounding errors accumulate differently because of the multi-threading, (or maybe it’s in the construction of the test).I got an error on
test_ridge_regression_vstacked_X[long-16-False-sag]
, second time ontest_ridge_regression_vstacked_X[long-63-True-sag]
, then no error running the tests 5 times, then error ontest_ridge_regression_vstacked_X[wide-75-True-sag]
, …It should not be the case, so there seems to be a bug.