diff --git a/main.py b/main.py
index 9b2a33011..b23d50816 100644
--- a/main.py
+++ b/main.py
@@ -112,6 +112,7 @@ import gc
 
 
 if os.name == "nt":
+    os.environ['MIMALLOC_PURGE_DELAY'] = '0'
     logging.getLogger("xformers").addFilter(lambda record: 'A matching Triton is not available' not in record.getMessage())
 
 if __name__ == "__main__":