mytec: after methods

backend/app/services/parallel_coverage_service.py

@@ -21,6 +21,7 @@ Usage:
     )
 """
 
+import gc
 import os
 import sys
 import subprocess
@@ -450,6 +451,9 @@ def _calculate_with_ray(
     log_fn(f"Ray done: {calc_time:.1f}s, {len(all_results)} results "
            f"({calc_time / max(1, total_points) * 1000:.1f}ms/point)")
 
+    # Force garbage collection after Ray computation
+    gc.collect()
+
     timing = {
         "parallel_total": calc_time,
         "ray_put": put_time,
@@ -744,6 +748,8 @@ def _calculate_with_process_pool(
                 block.unlink()
             except Exception:
                 pass
+        # Force garbage collection to release memory from workers
+        gc.collect()
 
     calc_time = time.time() - t_calc
     log_fn(f"ProcessPool done: {calc_time:.1f}s, {len(all_results)} results "
@@ -820,6 +826,9 @@ def _calculate_sequential(
     log_fn(f"Sequential done: {calc_time:.1f}s, {len(results)} results "
            f"({calc_time / max(1, total) * 1000:.1f}ms/point)")
 
+    # Force garbage collection after sequential computation
+    gc.collect()
+
     timing["sequential_total"] = calc_time
     timing["backend"] = "sequential"
     return results, timing