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>
---
 utils/GraphUtils.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'utils/GraphUtils.cpp')

diff --git a/utils/GraphUtils.cpp b/utils/GraphUtils.cpp
index 20e1369e73..c3f71299f6 100644
--- a/utils/GraphUtils.cpp
+++ b/utils/GraphUtils.cpp
@@ -162,6 +162,11 @@ DummyAccessor::DummyAccessor(unsigned int maximum)
 {
 }
 
+bool DummyAccessor::access_tensor_data()
+{
+    return false;
+}
+
 bool DummyAccessor::access_tensor(ITensor &tensor)
 {
     ARM_COMPUTE_UNUSED(tensor);
-- 
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