From 9c67d3883adaa8a65e3567579cf99937deaab21a Mon Sep 17 00:00:00 2001
From: Giorgio Arena <giorgio.arena@arm.com>
Date: Fri, 20 Aug 2021 15:24:03 +0100
Subject: Remove map/unmap overhead for input/output accessor when using
 DummyAccessor

Don't map/unmap when the tensor data is not accessed in the input or output accessor.
This is so to avoid measuring CPU overhead when benchmarking on the GPU backend.

Resolve COMPMID-4712

Change-Id: I5baba1b93e7a51fe13525bcce6c0cfdecb14493e
Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/6140
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
---
 src/graph/backends/NEON/NEDeviceBackend.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src/graph/backends/NEON/NEDeviceBackend.cpp')

diff --git a/src/graph/backends/NEON/NEDeviceBackend.cpp b/src/graph/backends/NEON/NEDeviceBackend.cpp
index 9efa3ac0c8..47ef2c2394 100644
--- a/src/graph/backends/NEON/NEDeviceBackend.cpp
+++ b/src/graph/backends/NEON/NEDeviceBackend.cpp
@@ -175,6 +175,11 @@ std::shared_ptr<arm_compute::IWeightsManager> NEDeviceBackend::create_weights_ma
     auto weights_mgr = std::make_shared<IWeightsManager>();
     return weights_mgr;
 }
+
+void NEDeviceBackend::sync()
+{
+    // nop
+}
 } // namespace backends
 } // namespace graph
 } // namespace arm_compute
-- 
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