IVGCVSW-6801 Remove the call to sync after EnqueueWorkload if we didn't import

Signed-off-by: David Monahan <David.Monahan@arm.com>
Change-Id: I0c79518fb0d849809d972241ce02653259d4f8c4

1 files changed, 9 insertions, 6 deletions

diff --git a/src/armnn/Runtime.cpp b/src/armnn/Runtime.cpp
index 4b9d0aeabb..4998b3597e 100644
--- a/src/armnn/Runtime.cpp
+++ b/src/armnn/Runtime.cpp
@@ -631,15 +631,18 @@ Status RuntimeImpl::EnqueueWorkload(NetworkId networkId,
     auto status = loadedNetwork->EnqueueWorkload(inputTensors, outputTensors,
                                                  preImportedInputIds, preImportedOutputIds);
 
-    ARMNN_LOG(info) << "Execution time: " << std::setprecision(2)
-                    << std::fixed << armnn::GetTimeDuration(startTime).count() << " ms.";
 
-    // Call After EnqueueWorkload events
-    for (auto&& context : m_BackendContexts)
+    // Check if we imported, if not there's no need to call the After EnqueueWorkload events
+    if (!preImportedInputIds.empty() || !preImportedOutputIds.empty())
     {
-        context.second->AfterEnqueueWorkload(networkId);
+        // Call After EnqueueWorkload events
+        for (auto&& context : m_BackendContexts)
+        {
+            context.second->AfterEnqueueWorkload(networkId);
+        }
     }
-
+    ARMNN_LOG(info) << "Execution time: " << std::setprecision(2)
+                    << std::fixed << armnn::GetTimeDuration(startTime).count() << " ms.";
     return status;
 }