HIP: Remove the call to hipDeviceSetSharedMemConfig (AMReX-Codes#2884)

AMD devices do not support shared cache banking. Thanks @afanfa for reporting this. (AMReX-Codes#2883)
Thierry992 · Jul 21, 2022 · 4b7e200 · 4b7e200
1 parent 8e40952
commit 4b7e200
Showing 1 changed file with 1 addition and 5 deletions.
diff --git a/Src/Base/AMReX_GpuDevice.cpp b/Src/Base/AMReX_GpuDevice.cpp
@@ -397,11 +397,7 @@ Device::initialize_gpu ()
 
     // check compute capability
 
-    if (sizeof(Real) == 8) {
-        AMREX_HIP_SAFE_CALL(hipDeviceSetSharedMemConfig(hipSharedMemBankSizeEightByte));
-    } else if (sizeof(Real) == 4) {
-        AMREX_HIP_SAFE_CALL(hipDeviceSetSharedMemConfig(hipSharedMemBankSizeFourByte));
-    }
+    // AMD devices do not support shared cache banking.
 
     AMREX_HIP_SAFE_CALL(hipStreamCreate(&gpu_default_stream));
     for (int i = 0; i < max_gpu_streams; ++i) {