Files
composable_kernel/example/19_binary_elementwise/elementwise_add_1d.cpp
rocking5566 82d7d9938f Hotfix binary elementwise (for broadcast on fastest axis) (#254)
* Support different length of ScalarPerVector

* Add example of broadcast on fastest axis

* Typo

* Refine fastest example

* Add dimension check

* Modify fastest broadcast example to 3d

* Enforce users give scalarPerVector explicitely

* 1. Add CscalarPerVedctor
2. Not only broadcast on fastest need to set scalarPerVector to 1

* Rename var

* Move IsScalarPerVectorValid() inside IsSupportedArgument()

* Separate GridDesc_M0 into A, B and C

* rename var

* Rename var of length

Co-authored-by: rocking <chunylai@amd.com>
2022-05-25 11:17:27 -05:00

120 lines
4.4 KiB
C++

#include <iostream>
#include <cstdlib>
#include "check_err.hpp"
#include "config.hpp"
#include "device.hpp"
#include "host_tensor.hpp"
#include "host_tensor_generator.hpp"
#include "device_tensor.hpp"
#include "binary_element_wise_operation.hpp"
#include "device_binary_elementwise.hpp"
using F16 = ck::half_t;
using F32 = float;
using ABDataType = F16;
using CDataType = F16;
using EltwiseComputeDataType = F32;
using Add = ck::tensor_operation::binary_element_wise::Add;
using DeviceElementwiseAddInstance =
ck::tensor_operation::device::DeviceBinaryElementwise<ABDataType,
ABDataType,
CDataType,
EltwiseComputeDataType,
Add,
1,
8,
8,
8,
8>;
template <typename HostTensorA,
typename HostTensorB,
typename HostTensorC,
typename ComputeDataType,
typename Functor>
void host_elementwise1D(
HostTensorC& C, const HostTensorA& A, const HostTensorB& B, int M, Functor functor)
{
using ctype = ck::remove_reference_t<decltype(C(0))>;
for(int m = 0; m < M; ++m)
{
ComputeDataType Am = static_cast<ComputeDataType>(A(m));
ComputeDataType Bm = static_cast<ComputeDataType>(B(m));
ComputeDataType Cm = 0;
functor(Cm, Am, Bm);
C(m) = static_cast<ctype>(Cm);
}
}
int main()
{
bool do_verification = true;
bool time_kernel = false;
ck::index_t M = 1024;
auto f_host_tensor_descriptor1d = [](std::size_t len, std::size_t stride) {
return HostTensorDescriptor(std::vector<std::size_t>({len}),
std::vector<std::size_t>({stride}));
};
Tensor<ABDataType> a_m(f_host_tensor_descriptor1d(M, 1));
Tensor<ABDataType> b_m(f_host_tensor_descriptor1d(M, 1));
Tensor<CDataType> c_m(f_host_tensor_descriptor1d(M, 1));
a_m.GenerateTensorValue(GeneratorTensor_3<ABDataType>{0.0, 1.0});
b_m.GenerateTensorValue(GeneratorTensor_3<ABDataType>{0.0, 1.0});
DeviceMem a_m_device_buf(sizeof(ABDataType) * a_m.mDesc.GetElementSpace());
DeviceMem b_m_device_buf(sizeof(ABDataType) * b_m.mDesc.GetElementSpace());
DeviceMem c_m_device_buf(sizeof(CDataType) * c_m.mDesc.GetElementSpace());
a_m_device_buf.ToDevice(a_m.mData.data());
b_m_device_buf.ToDevice(b_m.mData.data());
auto broadcastAdd = DeviceElementwiseAddInstance{};
auto argument = broadcastAdd.MakeArgumentPointer(a_m_device_buf.GetDeviceBuffer(),
b_m_device_buf.GetDeviceBuffer(),
c_m_device_buf.GetDeviceBuffer(),
{M},
{1},
{1},
{1},
Add{});
if(!broadcastAdd.IsSupportedArgument(argument.get()))
{
throw std::runtime_error("The runtime parameters seems not supported by the "
"DeviceBinaryElementwise instance, exiting!");
};
auto broadcastAdd_invoker_ptr = broadcastAdd.MakeInvokerPointer();
float ave_time =
broadcastAdd_invoker_ptr->Run(argument.get(), StreamConfig{nullptr, time_kernel});
std::cout << "Perf: " << ave_time << " ms" << std::endl;
bool pass = true;
if(do_verification)
{
c_m_device_buf.FromDevice(c_m.mData.data());
Tensor<CDataType> host_c_m(f_host_tensor_descriptor1d(M, 1));
host_elementwise1D<Tensor<ABDataType>,
Tensor<ABDataType>,
Tensor<CDataType>,
EltwiseComputeDataType,
Add>(host_c_m, a_m, b_m, M, Add{});
pass &= ck::utils::check_err(
c_m.mData, host_c_m.mData, "Error: Incorrect results c", 1e-3, 1e-3);
}
return pass ? 0 : 1;
}