1 files changed, 7 insertions, 0 deletions
diff --git a/src/routine.cc b/src/routine.cc
index 11c4281e..1acd814c 100644
--- a/src/routine.cc
+++ b/src/routine.cc
@@ -90,6 +90,7 @@ StatusCode Routine<T>::SetUp() {
 
   // Determines whether this is a specific device
   const auto isAMD = device_.Vendor() == "AMD" || device_.Vendor() == "Advanced Micro Devices, Inc.";
+  const auto isARM = device_.Vendor() == "ARM";
   const auto isGPU = device_.Type() == "GPU";
 
   // For specific devices, use the non-IEE754 compilant OpenCL mad() instruction. This can improve
@@ -103,6 +104,12 @@ StatusCode Routine<T>::SetUp() {
     defines += "#define USE_STAGGERED_INDICES 1\n";
   }
 
+  // For specific devices add a global synchronisation barrier to the GEMM kernel to optimize
+  // performance through better cache behaviour
+  if (isARM && isGPU) {
+    defines += "#define GLOBAL_MEM_FENCE 1\n";
+  }
+
   // Combines everything together into a single source string
   auto source_string = defines + common_header + source_string_;