commit 4c0a38a33046416a8f8fd779a467502b98311bcd
author Pablo Marquez Tello <pablo.tello@arm.com> Mon Jul 10 15:23:44 2023 +0100
committer Pablo Marquez Tello <pablo.tello@arm.com> Mon Jul 10 15:37:53 2023 +0000
tree 5c76971d52f6a85409486d8897c4584d1a05c61e
parent 1d0620447883240776f2510942742b5abb712b19

Disable kernel size 3 in argminmax for axis 0

* Only kernel sizes supported are 2, 4, 8 and 16.

* Resolves COMPMID-6349

Change-Id: I30c85dcb3505d47fe56a2d2a08e9221ff426ee93
Signed-off-by: Pablo Marquez Tello <pablo.tello@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9890
Reviewed-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Reviewed-by: Jakub Sujak <jakub.sujak@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>

docs/user_guide/errata.dox

diff --git a/docs/user_guide/errata.dox b/docs/user_guide/errata.dox
index 78dd232..d5689f4 100644
--- a/docs/user_guide/errata.dox
+++ b/docs/user_guide/errata.dox
@@ -31,7 +31,7 @@
 @section S7_1_errata Errata
 
 - (COMPMID-6271) Under certain conditions, CLArgMinMaxLayer validation tests may fail
-    - Versions Affected: >= v20.02
+    - Versions Affected: >= v20.02 && < v23.08
     - OSs Affected: Linux
     - Conditions:
         - Backend: OpenCL

src/core/CL/kernels/CLArgMinMaxLayerKernel.cpp

diff --git a/src/core/CL/kernels/CLArgMinMaxLayerKernel.cpp b/src/core/CL/kernels/CLArgMinMaxLayerKernel.cpp
index 8438739..3136d69 100644
--- a/src/core/CL/kernels/CLArgMinMaxLayerKernel.cpp
+++ b/src/core/CL/kernels/CLArgMinMaxLayerKernel.cpp
@@ -86,7 +86,9 @@
     _op             = op;
 
     // Set build options
-    const auto     vector_size = adjust_vec_size(16U, input->info()->dimension(0));
+    const auto adjusted_vector_size = adjust_vec_size(16U, input->info()->dimension(0));
+    const auto vector_size          = (adjusted_vector_size == 3U && axis == 0U) ? 2U : adjusted_vector_size; // the opencl kernel only supports sizes 2, 4, 8 and 16.
+
     CLBuildOptions build_opts;
     build_opts.add_option("-DDATA_TYPE=" + get_cl_type_from_data_type(input->info()->data_type()));
     build_opts.add_option("-DVEC_SIZE_LEFTOVER=" + support::cpp11::to_string(input->info()->dimension(0) % vector_size));