changed some types to decrease memory usage

mvcm/main_tests_only.py

@@ -264,6 +264,7 @@ def main(
         cmin = np.minimum(
             np.power(cmin_g1 * cmin_g2 * cmin_g3 * cmin_g4 * cmin_g5, 1 / utils.group_count(qabit)),
             cmin,
+            dtype=np.float32,
         )
         # cmin_3d[i, :, :] = cmin
         # cmin_3d = np.minimum(cmin_3d, cmin)
@@ -408,7 +409,7 @@ def main(
     #                                                          cmin,
     #                                                          bits['r06'])[idx]
 
-    cmin_final = cmin
+    csc = cmin
 
     # bits translation MVCM-python -> MVCM-C
     # 01  13  test_11um
@@ -423,12 +424,12 @@ def main(
     # 15  16  test_1_38um_high_clouds
     # 16  17  thin_cirrus_4_12um_BTD_test
 
-    csc = cmin_final
     integer_cloud_mask = np.zeros(csc.shape, dtype=np.byte)
     integer_cloud_mask[csc > 0.99] = 3
     integer_cloud_mask[(csc <= 0.99) & (csc > 0.95)] = 2
     integer_cloud_mask[(csc <= 0.95) & (csc > 0.66)] = 1
     integer_cloud_mask[csc <= 0.66] = 0
+    integer_cloud_mask = integer_cloud_mask.astype(np.int8)
 
     # logger.debug(f"Memory: {tracemalloc.get_traced_memory()}")
     cloud_mask = np.zeros((6, csc.shape[0], csc.shape[1]), dtype=np.byte)
@@ -442,7 +443,7 @@ def main(
         "sensor_azimuth": {"dims": ("x", "y"), "data": viirs_data.sensor_azimuth.values},
         "solar_zenith": {"dims": ("x", "y"), "data": viirs_data.solar_zenith.values},
         "solar_azimuth": {"dims": ("x", "y"), "data": viirs_data.solar_azimuth.values},
-        "confidence": {"dims": ("x", "y"), "data": cmin_final},
+        "confidence": {"dims": ("x", "y"), "data": csc},
         "cloud_mask": {"dims": ("bits", "x", "y"), "data": cloud_mask},
         "quality_assurance": {"dims": ("x", "y", "qa"), "data": quality_assurance},
         "integer_cloud_mask": {"dims": ("x", "y"), "data": integer_cloud_mask},