Files
composable_kernel/library/src/host_tensor/host_tensor.cpp
myamlak 060938c9a5 Resolution of issue #153: Add compiler warning on comparing int and size_t (#212)
* Turning compare warnings on

* Cleaning part I

* Cleaning part II

* Explicit static_cast to ck::type_convert

* Resolving large tensor size issue.

* format

* revert change to tensor descriptor; promote lementSpaceSize to 64bit

* use integer value for GEMM test

* Review remarks

* Review remarks + issues with (un)signed arithmetic

* Format fix

* Format

* Clang-format.

* fix 2gb limit issue

Co-authored-by: Chao Liu <chao.liu2@amd.com>
Co-authored-by: Adam Osewski <aosewski@amd.com>

[ROCm/composable_kernel commit: f03a1738d9]
2022-05-09 15:06:49 -05:00

75 lines
1.9 KiB
C++

#include <cassert>
#include "host_tensor.hpp"
void HostTensorDescriptor::CalculateStrides()
{
mStrides.clear();
mStrides.resize(mLens.size(), 0);
if(mStrides.empty())
return;
mStrides.back() = 1;
std::partial_sum(
mLens.rbegin(), mLens.rend() - 1, mStrides.rbegin() + 1, std::multiplies<std::size_t>());
}
std::size_t HostTensorDescriptor::GetNumOfDimension() const { return mLens.size(); }
std::size_t HostTensorDescriptor::GetElementSize() const
{
assert(mLens.size() == mStrides.size());
return std::accumulate(
mLens.begin(), mLens.end(), std::size_t{1}, std::multiplies<std::size_t>());
}
std::size_t HostTensorDescriptor::GetElementSpace() const
{
std::size_t space = 1;
for(std::size_t i = 0; i < mLens.size(); ++i)
{
space += (mLens[i] - 1) * mStrides[i];
}
return space;
}
const std::vector<std::size_t>& HostTensorDescriptor::GetLengths() const { return mLens; }
const std::vector<std::size_t>& HostTensorDescriptor::GetStrides() const { return mStrides; }
std::ostream& operator<<(std::ostream& os, const HostTensorDescriptor& desc)
{
os << "dim " << desc.GetNumOfDimension() << ", ";
os << "lengths {";
LogRange(os, desc.GetLengths(), ", ");
os << "}, ";
os << "strides {";
LogRange(os, desc.GetStrides(), ", ");
os << "}";
return os;
}
void ostream_HostTensorDescriptor(const HostTensorDescriptor& desc, std::ostream& os)
{
os << "dim " << desc.GetNumOfDimension() << ", ";
os << "lengths {";
LogRange(os, desc.GetLengths(), ", ");
os << "}, ";
os << "strides {";
LogRange(os, desc.GetStrides(), ", ");
os << "}" << std::endl;
}
#if 1
// FIXME: remove
void bf16_to_f32_(const Tensor<ck::bhalf_t>& src, Tensor<float>& dst)
{
for(std::size_t i = 0; i < src.mData.size(); ++i)
dst.mData[i] = ck::type_convert<float>(src.mData[i]);
}
#endif