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/*
* Copyright (c) 2016, 2017 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 "arm_compute/core/CL/CLHelpers.h"
#include "arm_compute/core/CL/CLTypes.h"
#include "arm_compute/core/Error.h"
#include "arm_compute/core/Types.h"
#include <map>
#include <regex>
#include <vector>
namespace
{
arm_compute::GPUTarget get_bifrost_target(const std::string &version)
{
if(version == "70")
{
return arm_compute::GPUTarget::G70;
}
else
{
return arm_compute::GPUTarget::BIFROST;
}
}
arm_compute::GPUTarget get_midgard_target(const std::string &version)
{
switch(version[0])
{
case '6':
return arm_compute::GPUTarget::T600;
case '7':
return arm_compute::GPUTarget::T700;
case '8':
return arm_compute::GPUTarget::T800;
default:
return arm_compute::GPUTarget::MIDGARD;
}
}
bool extension_support(const cl::Device &device, const char *extension_name)
{
std::string extensions = device.getInfo<CL_DEVICE_EXTENSIONS>();
auto pos = extensions.find(extension_name);
return (pos != std::string::npos);
}
} // namespace
namespace arm_compute
{
std::string get_cl_type_from_data_type(const DataType &dt)
{
switch(dt)
{
case DataType::U8:
return "uchar";
case DataType::QS8:
return "qs8";
case DataType::S8:
return "char";
case DataType::QASYMM8:
return "uchar";
case DataType::U16:
return "ushort";
case DataType::S16:
return "short";
case DataType::QS16:
return "qs16";
case DataType::U32:
return "uint";
case DataType::S32:
return "int";
case DataType::QS32:
return "qs32";
case DataType::U64:
return "ulong";
case DataType::S64:
return "long";
case DataType::F16:
return "half";
case DataType::F32:
return "float";
default:
ARM_COMPUTE_ERROR("Unsupported input data type.");
return "";
}
}
std::string get_data_size_from_data_type(const DataType &dt)
{
switch(dt)
{
case DataType::U8:
case DataType::QS8:
case DataType::S8:
case DataType::QASYMM8:
return "8";
case DataType::U16:
case DataType::S16:
case DataType::QS16:
case DataType::F16:
return "16";
case DataType::U32:
case DataType::S32:
case DataType::F32:
return "32";
case DataType::U64:
case DataType::S64:
return "64";
default:
ARM_COMPUTE_ERROR("Unsupported input data type.");
return "0";
}
}
std::string get_underlying_cl_type_from_data_type(const DataType &dt)
{
switch(dt)
{
case DataType::QS8:
return "char";
case DataType::QS16:
return "short";
case DataType::QS32:
return "int";
default:
return get_cl_type_from_data_type(dt);
}
}
const std::string &string_from_target(GPUTarget target)
{
static std::map<GPUTarget, const std::string> gpu_target_map =
{
{ GPUTarget::MIDGARD, "midgard" },
{ GPUTarget::BIFROST, "bifrost" },
{ GPUTarget::T600, "t600" },
{ GPUTarget::T700, "t700" },
{ GPUTarget::T800, "t800" },
{ GPUTarget::G70, "g70" }
};
return gpu_target_map[target];
}
GPUTarget get_target_from_device(cl::Device &device)
{
size_t name_size = 0;
// Query device name size
cl_int err = clGetDeviceInfo(device.get(), CL_DEVICE_NAME, 0, nullptr, &name_size);
ARM_COMPUTE_ERROR_ON_MSG((err != 0) || (name_size == 0), "clGetDeviceInfo failed to return valid information");
ARM_COMPUTE_UNUSED(err);
std::vector<char> name_buffer(name_size);
// Query device name
err = clGetDeviceInfo(device.get(), CL_DEVICE_NAME, name_size, name_buffer.data(), nullptr);
ARM_COMPUTE_ERROR_ON_MSG(err != 0, "clGetDeviceInfo failed to return valid information");
ARM_COMPUTE_UNUSED(err);
std::regex mali_regex(R"(Mali-([TG])(\d+))");
std::string device_name(name_buffer.begin(), name_buffer.end());
std::smatch name_parts;
const bool found_mali = std::regex_search(device_name, name_parts, mali_regex);
if(!found_mali)
{
ARM_COMPUTE_INFO("Can't find valid Mali GPU. Target is set to MIDGARD.");
return GPUTarget::MIDGARD;
}
const char target = name_parts.str(1)[0];
const std::string &version = name_parts.str(2);
switch(target)
{
case 'T':
return get_midgard_target(version);
case 'G':
return get_bifrost_target(version);
default:
ARM_COMPUTE_INFO("Mali GPU unknown. Target is set to the default one.");
return GPUTarget::MIDGARD;
}
}
GPUTarget get_arch_from_target(GPUTarget target)
{
return (target & GPUTarget::GPU_ARCH_MASK);
}
bool non_uniform_workgroup_support(const cl::Device &device)
{
return extension_support(device, "cl_arm_non_uniform_work_group_size");
}
bool fp16_support(const cl::Device &device)
{
return extension_support(device, "cl_khr_fp16");
}
CLVersion get_cl_version(const cl::Device &device)
{
std::vector<char> version;
size_t version_size = 0;
cl_int err = clGetDeviceInfo(device.get(), CL_DEVICE_VERSION, 0, nullptr, &version_size);
ARM_COMPUTE_ERROR_ON_MSG((err != 0) || (version_size == 0), "clGetDeviceInfo failed to return valid information");
ARM_COMPUTE_UNUSED(err);
// Resize vector
version.resize(version_size);
// Query version
err = clGetDeviceInfo(device.get(), CL_DEVICE_VERSION, version_size, version.data(), nullptr);
ARM_COMPUTE_ERROR_ON_MSG(err != 0, "clGetDeviceInfo failed to return valid information");
ARM_COMPUTE_UNUSED(err);
std::string version_str(version.begin(), version.end());
if(version_str.find("OpenCL 2") != std::string::npos)
{
return CLVersion::CL20;
}
else if(version_str.find("OpenCL 1.2") != std::string::npos)
{
return CLVersion::CL12;
}
else if(version_str.find("OpenCL 1.1") != std::string::npos)
{
return CLVersion::CL11;
}
else if(version_str.find("OpenCL 1.0") != std::string::npos)
{
return CLVersion::CL10;
}
return CLVersion::UNKNOWN;
}
} // namespace arm_compute
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