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/*
* Copyright (c) 2021-2022 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)
{
if (gws_x < 4)
{
return cl::NDRange(std::min(gws_x, static_cast<size_t>(2u)), 32, 1);
}
else
{
return cl::NDRange(std::min(gws_x, static_cast<size_t>(4u)), 8, 1);
}
}
else
{
return cl::NDRange(8, 4, 1);
}
}
cl::NDRange get_dwc_lws(size_t gws_x, size_t gws_y, size_t gws_z)
{
ARM_COMPUTE_UNUSED(gws_y);
ARM_COMPUTE_UNUSED(gws_z);
if (gws_x < 32)
{
return cl::NDRange(gws_x, 4, 4);
}
else
{
return cl::NDRange(8, 4, 2);
}
}
} // 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);
}
case CLKernelType::DEPTHWISE:
{
return get_dwc_lws(gws_x, gws_y, gws_z);
}
default:
{
return CLKernelLibrary::get().default_ndrange();
}
}
}
} // namespace arm_compute
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