COMPMID-2405: Add lws_hint to CLGEMMLowpMatrixAReductionKernel

Change-Id: Ie194e6df5db07d37b15d735e15856bf02d441360
Signed-off-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Reviewed-on: https://review.mlplatform.org/c/1338
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/core/CL/kernels/CLGEMMLowpReductionKernel.cpp b/src/core/CL/kernels/CLGEMMLowpReductionKernel.cpp
index 225c358..e878dbc 100644
--- a/src/core/CL/kernels/CLGEMMLowpReductionKernel.cpp
+++ b/src/core/CL/kernels/CLGEMMLowpReductionKernel.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018 ARM Limited.
+ * Copyright (c) 2017-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -127,6 +127,14 @@
     auto win_config = validate_and_configure_window_matrix_a_reduction(_input->info(), _output->info());
     ARM_COMPUTE_ERROR_THROW_ON(win_config.first);
     ICLKernel::configure_internal(win_config.second);
+
+    _config_id = kernel_name;
+    _config_id += "_";
+    _config_id += support::cpp11::to_string(_input->info()->dimension(0));
+    _config_id += "_";
+    _config_id += support::cpp11::to_string(_input->info()->dimension(1));
+    _config_id += "_";
+    _config_id += support::cpp11::to_string(_input->info()->dimension(2));
 }
 
 Status CLGEMMLowpMatrixAReductionKernel::validate(const ITensorInfo *mtx_a, const ITensorInfo *vector_sum_row)
@@ -156,7 +164,7 @@
         unsigned int idx = 0;
         add_3D_tensor_argument(idx, _input, slice_in);
         add_2D_tensor_argument(idx, _output, slice_out);
-        enqueue(queue, *this, slice_out);
+        enqueue(queue, *this, slice_out, lws_hint());
     }
     while(collapsed.slide_window_slice_2D(slice_out));
 }