worldgen: initial public history

1 files changed, 7 insertions, 0 deletions

diff --git a/mapgen/__init__.py b/mapgen/__init__.py
new file mode 100644
index 0000000..63fd969
--- /dev/null
+++ b/mapgen/__init__.py
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+"""World generator."""
+import os
+
+# OpenBLAS threads spin ~0.1 s after each call before sleeping; with solves on several threads (and other jobs on the
+# machine) that spinning steals the cores doing the work. A short timeout changes nothing in how work is split, so
+# results stay the same bits (the thread *count* would not: see pipeline/graph notes). Only before numpy loads.
+os.environ.setdefault("OPENBLAS_THREAD_TIMEOUT", "4")