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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/CLTensorArgument.h"
#include "ckw/Error.h"
#include "src/cl/CLHelpers.h"
#include "src/types/TensorComponentType.h"
#include <algorithm>
#include <vector>
namespace ckw
{
CLTensorArgument::CLTensorArgument(const std::string &name, const TensorInfo &info, bool return_dims_by_value)
{
_return_dims_by_value = return_dims_by_value;
_basename = name;
_info = info;
}
TileVariable CLTensorArgument::component(TensorComponentType x)
{
if(_return_dims_by_value)
{
uint32_t component_type = static_cast<uint32_t>(x);
const bool is_dimension = (component_type & static_cast<uint32_t>(TensorComponentBitmask::Dimension)) != 0;
const bool is_folded_dimensions = (component_type & static_cast<uint32_t>(TensorComponentBitmask::FoldedDimensions)) != 0;
constexpr auto bitmask_all = static_cast<uint32_t>(TensorComponentIndexBitmask::All);
constexpr auto bitmask_index_0 = static_cast<uint32_t>(TensorComponentIndexBitmask::Index0);
#ifdef COMPUTE_KERNEL_WRITER_ASSERTS_ENABLED
constexpr auto bitmask_index_1 = static_cast<uint32_t>(TensorComponentIndexBitmask::Index1);
constexpr auto bitmask_index_2 = static_cast<uint32_t>(TensorComponentIndexBitmask::Index2);
constexpr auto bitmask_index_3 = static_cast<uint32_t>(TensorComponentIndexBitmask::Index3);
#endif // COMPUTE_KERNEL_WRITER_ASSERTS_ENABLED
// Make sure that the encoding of component type hasn't changed and each nibble is 4 bits apart.
CKW_ASSERT(bitmask_all == (bitmask_index_0 | bitmask_index_1 | bitmask_index_2 | bitmask_index_3));
CKW_ASSERT(bitmask_index_0 == bitmask_index_1 >> 4);
CKW_ASSERT(bitmask_index_1 == bitmask_index_2 >> 4);
CKW_ASSERT(bitmask_index_2 == bitmask_index_3 >> 4);
// If we have a dimension or folded dimensions, we can return the corresponding value if it is not dynamic (not equal to -1)
if(is_dimension == true || is_folded_dimensions == true)
{
component_type = component_type & bitmask_all;
int32_t idx = 1;
for(int32_t i = 0; i < tensor_component_index_max_count; ++i)
{
uint32_t dim_idx = component_type & bitmask_index_0;
if(dim_idx == 0)
{
// Stop at the first nibble containing 0
break;
}
// Subtract - 1. Please refer to the TensorComponentIndexBitmask documentation
dim_idx -= 1;
// Get the dimension value
const int32_t dim_val = _info.shape()[dim_idx];
if(dim_val == kDynamicTensorDimensionValue)
{
// We cannot return the dimension by value if it is dynamic.
// Therefore, force the idx variable to kDynamicTensorDimensionValue and break the loop.
idx = kDynamicTensorDimensionValue;
break;
}
idx *= dim_val;
// Go to the next nibble
component_type >>= 4;
}
if(idx != kDynamicTensorDimensionValue)
{
TileVariable t;
t.str = std::to_string(idx);
t.desc.dt = DataType::Uint32;
t.desc.len = 1;
return t;
}
}
}
auto it = std::find(_components_used.begin(), _components_used.end(), x);
// Add to the list of used components if not present yet
if(it == _components_used.end())
{
_components_used.push_back(x);
}
TileVariable t;
t.str = create_component_name(x);
t.desc.dt = DataType::Int32;
t.desc.len = 1;
return t;
}
TensorStorageVariable CLTensorArgument::storage(TensorStorageType x)
{
if(std::find(_storages_used.begin(), _storages_used.end(), x) == _storages_used.end())
{
_storages_used.push_back(x);
}
TensorStorageVariable t;
t.val = create_storage_name(x);
t.type = cl_get_variable_storagetype_as_string(x);
return t;
}
std::string CLTensorArgument::create_storage_name(TensorStorageType x) const
{
std::string var_name = _basename;
switch(x)
{
case TensorStorageType::BufferUint8Ptr:
var_name += "_ptr";
break;
case TensorStorageType::Texture2dReadOnly:
case TensorStorageType::Texture2dWriteOnly:
var_name += "_img2d";
break;
default:
CKW_ASSERT_FAILED_MSG("Unsupported tensor storage");
return "";
}
return var_name;
}
std::string CLTensorArgument::create_component_name(TensorComponentType x) const
{
std::string var_name = _basename;
switch(x)
{
case TensorComponentType::OffsetFirstElement:
var_name += "_offset_first_element";
break;
case TensorComponentType::Stride0:
var_name += "_stride0";
break;
case TensorComponentType::Stride1:
var_name += "_stride1";
break;
case TensorComponentType::Stride2:
var_name += "_stride2";
break;
case TensorComponentType::Stride3:
var_name += "_stride3";
break;
case TensorComponentType::Stride4:
var_name += "_stride4";
break;
case TensorComponentType::Dim0:
var_name += "_dim0";
break;
case TensorComponentType::Dim1:
var_name += "_dim1";
break;
case TensorComponentType::Dim2:
var_name += "_dim2";
break;
case TensorComponentType::Dim3:
var_name += "_dim3";
break;
case TensorComponentType::Dim4:
var_name += "_dim4";
break;
case TensorComponentType::Dim1xDim2:
var_name += "_dim1xdim2";
break;
case TensorComponentType::Dim2xDim3:
var_name += "_dim2xdim3";
break;
case TensorComponentType::Dim1xDim2xDim3:
var_name += "_dim1xdim2xdim3";
break;
default:
COMPUTE_KERNEL_WRITER_ERROR_ON_MSG("Unsupported tensor component");
return "";
}
return var_name;
}
std::vector<TensorStorageVariable> CLTensorArgument::storages() const
{
std::vector<TensorStorageVariable> storages;
for(auto &val : _storages_used)
{
TensorStorageVariable t;
t.val = create_storage_name(val);
t.type = cl_get_variable_storagetype_as_string(val);
storages.push_back(t);
}
return storages;
}
std::vector<TileVariable> CLTensorArgument::components() const
{
std::vector<TileVariable> components;
for(auto &val : _components_used)
{
TileVariable t;
t.str = create_component_name(val);
t.desc.dt = DataType::Int32;
t.desc.len = 1;
components.push_back(t);
}
return components;
}
} // namespace ckw
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