initial version

parallel-processing/python-test/xx-test-results.sql

@@ -0,0 +1,27 @@
+TRUNCATE TABLE testing.test_gnaf_meshblocks_slow;
+
+INSERT INTO testing.test_gnaf_meshblocks_slow
+  WITH polys AS (
+    SELECT mb_code16,
+      st_subdivide(geom, 512) AS geom
+    FROM census_2016_bdys.mb_2016_aust
+  )
+  SELECT pnts.gnaf_pid, polys.mb_code16
+  FROM testing.address_principals_part AS pnts
+  INNER JOIN polys
+  ON ST_Intersects(pnts.geom, polys.geom);
+
+-- INSERT INTO testing.test_gnaf_meshblocks_slow
+-- SELECT pnts.gnaf_pid, polys.mb_code16
+-- FROM testing.address_principals_part AS pnts
+-- INNER JOIN census_2016_bdys.mb_2016_aust AS polys
+-- ON ST_Intersects(pnts.geom, polys.geom)
+
+-- part on, parallel on, subdivide on = 2, 2 min
+-- part on, parallel on, subdivide off = 8, 8, 8 min
+-- part on, parallel off, subdivide on  = 3, 3 min
+-- part on, parallel off, subdivide off  = 3, 3 min
+-- part off, parallel off, subdivide off  = 29 min
+-- part off, parallel off, subdivide on  = 30 min
+-- part off, parallel on, subdivide on  = 14, 13 min
+-- part off, parallel on, subdivide off  = 9, 8 min