[ENH] SimpleTreeLearner: Release GIL & thread safety #2398
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Remove use of global `compar_attr` variable. Use `qsort_(r|s)` with explicit context passing. Use GIL releasing ctypes call.
Codecov Report
@@ Coverage Diff @@
## master #2398 +/- ##
==========================================
- Coverage 73.87% 73.87% -0.01%
==========================================
Files 322 322
Lines 55835 55835
==========================================
- Hits 41248 41246 -2
- Misses 14587 14589 +2 |
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Issue
SimpleTreeLearner does not release the GIL (as it is not thread safe)
Description of changes
compar_attrvariable. Useqsort_(r|s)with explicit context passing.Includes