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composable_kernel/tile_engine/include/utility/validation.hpp
Aviral Goel 6d25525adc feat(precommit-hooks): add check for correct copyright header (#3302)
* chore(copyright): update copyright header for left files

* feat(copyright): add copyright check to precommit hooks

* chore(copyright): update copyright header for include/ck_tile directory

* chore(copyright): update copyright header for example directory

* chore(copyright): update copyright header for .github directory

* refactor: copyright_check script with better if else handling

* chore(copyright): update compyright header for remaining files

* feat: add script to automate copyright addition
2025-12-10 22:50:43 -08:00

51 lines
2.4 KiB
C++

// Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
// SPDX-License-Identifier: MIT
#pragma once
template <typename ADataType, typename BDataType, typename AccDataType, typename CDataType>
auto calculate_rtol_atol(const ck_tile::index_t K,
const ck_tile::index_t kbatch,
const float max_accumulated_value)
{
using ComputeType =
std::conditional_t<sizeof(ADataType) < sizeof(BDataType), ADataType, BDataType>;
// Calculate thresholds
const auto rtol = ck_tile::get_relative_threshold<ComputeType, CDataType, AccDataType>(
ck_tile::integer_divide_ceil(K, kbatch));
const auto atol = ck_tile::get_absolute_threshold<ComputeType, CDataType, AccDataType>(
max_accumulated_value / kbatch, ck_tile::integer_divide_ceil(K, kbatch));
// Calculate error due to split_k accumulation
const auto rtol_split_k =
ck_tile::get_relative_threshold<CDataType, CDataType, CDataType>(kbatch);
const auto atol_split_k = ck_tile::get_absolute_threshold<CDataType, CDataType, CDataType>(
max_accumulated_value, kbatch);
// Use higher threshold
return ck_tile::make_tuple(std::max(rtol, rtol_split_k), std::max(atol, atol_split_k));
}
/// @brief Function to compare the results of the device and host computations
bool compare(std::string instanceName,
ck_tile::index_t K,
ck_tile::index_t kbatch,
ck_tile::HostTensor<CDataType>& c_m_n_dev_result,
ck_tile::HostTensor<CDataType>& c_m_n_host_result)
{
const float max_accumulated_value =
*std::max_element(c_m_n_host_result.mData.begin(), c_m_n_host_result.mData.end());
const auto rtol_atol = calculate_rtol_atol<ADataType, BDataType, AccDataType, CDataType>(
K, kbatch, max_accumulated_value);
bool pass = ck_tile::check_err(c_m_n_dev_result,
c_m_n_host_result,
"Error: Incorrect results!",
rtol_atol.at(ck_tile::number<0>{}),
rtol_atol.at(ck_tile::number<1>{}));
std::cout << "For " << instanceName << " Relative error threshold is "
<< rtol_atol.at(ck_tile::number<0>{}) << " Absolute error threshold is "
<< rtol_atol.at(ck_tile::number<1>{}) << std::endl;
std::cout << "The verification result is:" << (pass ? "correct" : "fail") << std::endl;
return pass;
}