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// SPDX-License-Identifier: MIT
// Copyright (c) 2018-2025, Advanced Micro Devices, Inc. All rights reserved.
#ifndef UTILITY_DEBUG_HPP
#define UTILITY_DEBUG_HPP
#include "type.hpp"
namespace ck {
namespace debug {
namespace detail {
template <typename T, typename Enable = void>
struct PrintAsType;
template <typename T>
struct PrintAsType<T, typename std::enable_if<std::is_floating_point<T>::value>::type>
{
using type = float;
__host__ __device__ static void Print(const T& p) { printf("%.3f ", static_cast<type>(p)); }
};
template <>
struct PrintAsType<ck::half_t, void>
{
using type = float;
__host__ __device__ static void Print(const ck::half_t& p)
{
printf("%.3f ", static_cast<type>(p));
}
};
template <typename T>
struct PrintAsType<T, typename std::enable_if<std::is_integral<T>::value>::type>
{
using type = int;
__host__ __device__ static void Print(const T& p) { printf("%d ", static_cast<type>(p)); }
};
} // namespace detail
// Print at runtime the data in shared memory in 128 bytes per row format given shared mem pointer
// and the number of elements. Can optionally specify strides between elements and how many bytes'
// worth of data per row.
//
// Usage example:
//
// debug::print_shared(a_block_buf.p_data_, index_t(a_block_desc_k0_m_k1.GetElementSpaceSize()));
//
template <typename T, index_t element_stride = 1, index_t row_bytes = 128>
__device__ void print_shared(T const* p_shared, index_t num_elements)
{
constexpr index_t row_elements = row_bytes / sizeof(T);
static_assert((element_stride >= 1 && element_stride <= row_elements),
"element_stride should between [1, row_elements]");
index_t wgid = blockIdx.x + blockIdx.y * gridDim.x + gridDim.x * gridDim.y * blockIdx.z;
index_t tid =
(threadIdx.z * (blockDim.x * blockDim.y)) + (threadIdx.y * blockDim.x) + threadIdx.x;
__syncthreads();
if(tid == 0)
{
printf("\nWorkgroup id %d, bytes per row %d, element stride %d\n\n",
wgid,
row_bytes,
element_stride);
for(index_t i = 0; i < num_elements; i += row_elements)
{
printf("elem %5d: ", i);
for(index_t j = 0; j < row_elements; j += element_stride)
{
detail::PrintAsType<T>::Print(p_shared[i + j]);
}
printf("\n");
}
printf("\n");
}
__syncthreads();
}
template <index_t... Ids>
__device__ static bool is_thread_local_1d_id_idx()
{
const auto tid = get_thread_local_1d_id();
return ((tid == Ids) || ...);
}
// Use `CK_PRINT<T1, T2, ...>()` to inspect values of type T1, T2, ...
// Use `CK_PRINT<v1, v2, ...>()` to inspect constexpr values of val1, val2, ... of the same type
// In a non-evaluated context, you can use `using _dummy = decltype(CK_PRINT<...>());`
// Set BUILD_DEV to OFF to avoid enabling Werror
template <auto... val>
[[deprecated("Help function to print value")]] inline constexpr void CK_PRINT()
{
}
template <typename... type>
[[deprecated("Help function to print value")]] inline constexpr void CK_PRINT()
{
}
} // namespace debug
} // namespace ck
#endif // UTILITY_DEBUG_HPP
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