Include arch by default, disable with INCLUDE_ARCH=0

setup.py

@@ -96,7 +96,12 @@ generator_flags = get_generator_flag()
 arch_flags = get_compute_capabilities()
 
 if os.name == "nt":
+    include_arch = os.getenv("INCLUDE_ARCH", "1") == "1"
+
     # Relaxed args on Windows
+    if include_arch:
+        extra_compile_args={"nvcc": arch_flags}
+    else:
         extra_compile_args={}
 else:
     extra_compile_args={