Benchmark and set default LWS for GEMM, Direct convolution and Winograd
Resolve COMPMID-4487, COMPMID-4488, COMPMID-4489
Change-Id: Id5a1178a5a452a969b41eea48cb36727e4dbe27b
Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/6014
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/DefaultLWSHeuristics.cpp b/src/core/CL/DefaultLWSHeuristics.cpp
new file mode 100644
index 0000000..c082d7f
--- /dev/null
+++ b/src/core/CL/DefaultLWSHeuristics.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2021 Arm Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#include "src/core/CL/DefaultLWSHeuristics.h"
+
+#include "arm_compute/core/CL/CLKernelLibrary.h"
+
+namespace
+{
+cl::NDRange get_gemm_lws(size_t gws_x, size_t gws_y, size_t gws_z)
+{
+ ARM_COMPUTE_UNUSED(gws_y);
+
+ if(gws_z != 1)
+ {
+ return cl::NDRange(4, 4, 2);
+ }
+ else
+ {
+ if(gws_x > 256)
+ {
+ return cl::NDRange(2, 16, 1);
+ }
+ else
+ {
+ return cl::NDRange(32, 4, 1);
+ }
+ }
+}
+
+cl::NDRange get_winograd_lws(size_t gws_x, size_t gws_y, size_t gws_z)
+{
+ ARM_COMPUTE_UNUSED(gws_x, gws_y, gws_z);
+
+ return cl::NDRange(4, 2, 1);
+}
+
+cl::NDRange get_direct_lws(size_t gws_x, size_t gws_y, size_t gws_z)
+{
+ ARM_COMPUTE_UNUSED(gws_z);
+
+ if(gws_x < gws_y)
+ {
+ return cl::NDRange(4, 16, 1);
+ }
+ else
+ {
+ return cl::NDRange(8, 4, 1);
+ }
+}
+} // namespace
+
+namespace arm_compute
+{
+cl::NDRange get_default_lws_for_type(CLKernelType kernel_type, cl::NDRange gws)
+{
+ const size_t gws_x = gws[0];
+ const size_t gws_y = gws[1];
+ const size_t gws_z = gws[2];
+
+ switch(kernel_type)
+ {
+ case CLKernelType::GEMM:
+ {
+ return get_gemm_lws(gws_x, gws_y, gws_z);
+ }
+ case CLKernelType::DIRECT:
+ {
+ return get_direct_lws(gws_x, gws_y, gws_z);
+ }
+ case CLKernelType::WINOGRAD:
+ {
+ return get_winograd_lws(gws_x, gws_y, gws_z);
+ }
+ default:
+ {
+ return CLKernelLibrary::get().default_ndrange();
+ }
+ }
+}
+} // namespace arm_compute
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