Add minimum driver version check to allow minor version compatibility. (#3648)

christophe-murphy · web-flow · commit 59791340b750 · 2025-04-04T12:49:25.000-07:00
* Add minimum driver version check to allow minor version compatibility.

* Simpler method of checking for nvidia driver cuda minor version compatibility.
diff --git a/src/backend/cuda/device_manager.cpp b/src/backend/cuda/device_manager.cpp
@@ -511,7 +511,10 @@ void DeviceManager::checkCudaVsDriverVersion() {
 
     debugRuntimeCheck(getLogger(), runtime, driver);
 
-    if (runtime > driver) {
+    int runtime_major = runtime / 1000;
+    int driver_major = driver / 1000;
+
+    if (runtime_major > driver_major) {
         string msg =
             "ArrayFire was built with CUDA {} which requires GPU driver "
             "version {} or later. Please download and install the latest "
