fix a HIP/Frontier issue

the amrex::single_task(amrex_check_wavefront_size) check causes runtime errors
AMReX-Codes · Apr 20, 2024 · 86aaf2b · 86aaf2b
1 parent 64d2360
commit 86aaf2b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Src/Base/AMReX_GpuDevice.cpp b/Src/Base/AMReX_GpuDevice.cpp
@@ -323,7 +323,9 @@ Device::Initialize ()
 #endif
 
 #if defined(AMREX_USE_HIP)
-    amrex::single_task(amrex_check_wavefront_size);
+    if (num_devices_used < 0) {
+        amrex::single_task(amrex_check_wavefront_size);
+    }
 #endif
 
     Device::profilerStart();