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/*
* Copyright (c) 2023 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/cl/CLHelpers.h"
#include "ckw/Error.h"
#include "ckw/types/DataType.h"
#include "ckw/types/Operators.h"
#include "ckw/types/TensorStorageType.h"
#include "src/types/DataTypeHelpers.h"
namespace ckw
{
bool cl_validate_vector_length(int32_t len)
{
bool valid_vector_length = true;
if (len < 1 || len > 16 || (len > 4 && len < 8) || (len > 8 && len < 16))
{
valid_vector_length = false;
}
return valid_vector_length;
}
std::string cl_get_variable_datatype_as_string(DataType dt, int32_t len)
{
if (cl_validate_vector_length(len) == false)
{
CKW_THROW_MSG("Unsupported vector length");
return "";
}
std::string res;
switch (dt)
{
case DataType::Fp32:
res += "float";
break;
case DataType::Fp16:
res += "half";
break;
case DataType::Int8:
res += "char";
break;
case DataType::Uint8:
res += "uchar";
break;
case DataType::Uint16:
res += "ushort";
break;
case DataType::Int16:
res += "short";
break;
case DataType::Uint32:
res += "uint";
break;
case DataType::Int32:
res += "int";
break;
case DataType::Bool:
res += "bool";
break;
default:
CKW_THROW_MSG("Unsupported datatype");
return "";
}
if (len > 1)
{
res += std::to_string(len);
}
return res;
}
int32_t cl_round_up_to_nearest_valid_vector_width(int32_t width)
{
switch (width)
{
case 1:
return 1;
case 2:
return 2;
case 3:
return 3;
case 4:
return 4;
case 5:
case 6:
case 7:
case 8:
return 8;
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
case 16:
return 16;
default:
CKW_THROW_MSG("Unsupported width to convert to OpenCL vector");
return 0;
}
}
std::string cl_get_variable_storagetype_as_string(TensorStorageType storage)
{
std::string res;
switch (storage)
{
case TensorStorageType::BufferUint8Ptr:
res += "__global uchar*";
break;
case TensorStorageType::Texture2dReadOnly:
res += "__read_only image2d_t";
break;
case TensorStorageType::Texture2dWriteOnly:
res += "__write_only image2d_t";
break;
default:
CKW_THROW_MSG("Unsupported storage type");
}
return res;
}
std::string cl_get_assignment_op_as_string(AssignmentOp op)
{
switch (op)
{
case AssignmentOp::Increment:
return "+=";
case AssignmentOp::Decrement:
return "-=";
default:
CKW_THROW_MSG("Unsupported assignment operator!");
}
}
std::tuple<bool, std::string> cl_get_unary_op(UnaryOp op)
{
switch (op)
{
case UnaryOp::LogicalNot:
return {false, "!"};
case UnaryOp::BitwiseNot:
return {false, "~"};
case UnaryOp::Exp:
return {true, "exp"};
case UnaryOp::Tanh:
return {true, "tanh"};
case UnaryOp::Sqrt:
return {true, "sqrt"};
case UnaryOp::Erf:
return {true, "erf"};
case UnaryOp::Fabs:
return {true, "fabs"};
case UnaryOp::Log:
return {true, "log"};
case UnaryOp::Round:
return {true, "round"};
case UnaryOp::Floor:
return {true, "floor"};
default:
CKW_THROW_MSG("Unsupported unary operation!");
}
}
std::tuple<bool, std::string> cl_get_binary_op(BinaryOp op, DataType data_type)
{
const auto is_float = is_data_type_float(data_type);
switch (op)
{
case BinaryOp::Add:
return {false, "+"};
case BinaryOp::Sub:
return {false, "-"};
case BinaryOp::Mul:
return {false, "*"};
case BinaryOp::Div:
return {false, "/"};
case BinaryOp::Mod:
return {false, "%"};
case BinaryOp::Equal:
return {false, "=="};
case BinaryOp::Less:
return {false, "<"};
case BinaryOp::LessEqual:
return {false, "<="};
case BinaryOp::Greater:
return {false, ">"};
case BinaryOp::GreaterEqual:
return {false, ">="};
case BinaryOp::LogicalAnd:
return {false, "&&"};
case BinaryOp::LogicalOr:
return {false, "||"};
case BinaryOp::BitwiseXOR:
return {false, "^"};
case BinaryOp::Min:
return {true, is_float ? "fmin" : "min"};
case BinaryOp::Max:
return {true, is_float ? "fmax" : "max"};
default:
CKW_THROW_MSG("Unsupported binary operator/function!");
}
}
std::tuple<bool, std::string> cl_get_ternary_op(TernaryOp op)
{
switch (op)
{
case TernaryOp::Select:
return {true, "select"};
case TernaryOp::Clamp:
return {true, "clamp"};
default:
CKW_THROW_MSG("Unsupported ternary function!");
}
}
std::string cl_data_type_rounded_up_to_valid_vector_width(DataType dt, int32_t width)
{
std::string data_type;
const int32_t w = cl_round_up_to_nearest_valid_vector_width(width);
data_type += cl_get_variable_datatype_as_string(dt, 1);
if (w != 1)
{
data_type += std::to_string(w);
}
return data_type;
}
std::vector<int32_t> cl_decompose_vector_width(int32_t vector_width)
{
std::vector<int32_t> x;
switch (vector_width)
{
case 0:
break;
case 1:
case 2:
case 3:
case 4:
case 8:
case 16:
x.push_back(vector_width);
break;
case 5:
x.push_back(4);
x.push_back(1);
break;
case 6:
x.push_back(4);
x.push_back(2);
break;
case 7:
x.push_back(4);
x.push_back(3);
break;
case 9:
x.push_back(8);
x.push_back(1);
break;
case 10:
x.push_back(8);
x.push_back(2);
break;
case 11:
x.push_back(8);
x.push_back(3);
break;
case 12:
x.push_back(8);
x.push_back(4);
break;
case 13:
x.push_back(8);
x.push_back(4);
x.push_back(1);
break;
case 14:
x.push_back(8);
x.push_back(4);
x.push_back(2);
break;
case 15:
x.push_back(8);
x.push_back(4);
x.push_back(3);
break;
default:
CKW_THROW_MSG("Vector width is too large");
}
return x;
}
} // namespace ckw