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/* ************************************************************************
* Copyright (C) 2020-2024 Advanced Micro Devices, Inc. All rights reserved.
*
* 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 cop-
* ies 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 IM-
* PLIED, 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 CONNE-
* CTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* ************************************************************************ */
#pragma once
#include "rocblas_arguments.hpp"
namespace ArgumentLogging
{
const double NA_value = -1.0; // invalid for time, GFlop, GB
}
void ArgumentModel_set_log_function_name(bool f);
bool ArgumentModel_get_log_function_name();
void ArgumentModel_set_log_datatype(bool d);
bool ArgumentModel_get_log_datatype();
void ArgumentModel_log_frequencies(rocblas_internal_ostream& name_line,
rocblas_internal_ostream& val_line);
// ArgumentModel template has a variadic list of argument enums
template <rocblas_argument... Args>
class ArgumentModel
{
// Whether model has a particular parameter
static constexpr bool has(rocblas_argument param)
{
for(auto x : {Args...})
if(x == param)
return true;
return false;
// TODO: Replace with C++17 fold expression, a C++17 extension
// return ((Args == param) || ...);
}
public:
void log_perf(rocblas_internal_ostream& name_line,
rocblas_internal_ostream& val_line,
const Arguments& arg,
double gpu_us,
double gflops,
double gbytes,
double cpu_us,
double norm1,
double norm2,
double norm3,
double norm4)
{
// requires enablement for frequency logging
ArgumentModel_log_frequencies(name_line, val_line);
constexpr bool has_batch_count = has(e_batch_count);
rocblas_int batch_count = has_batch_count ? arg.batch_count : 1;
rocblas_int hot_calls = arg.iters < 1 ? 1 : arg.iters;
// gpu time is total cumulative over hot calls, cpu is not
if(hot_calls > 1)
gpu_us /= hot_calls;
// per/us to per/sec *10^6
const double c_per_usec_to_per_sec = 1e6;
// Print total number of cold iterations
name_line << ",cold_iters";
val_line << ", " << arg.cold_iters;
// Print total number of hot iterations
name_line << ",hot_iters";
val_line << ", " << arg.iters;
// append performance fields
if(gflops != ArgumentLogging::NA_value)
{
double rocblas_gflops = gflops * batch_count / gpu_us * c_per_usec_to_per_sec;
name_line << ",rocblas-Gflops";
val_line << ", " << rocblas_gflops;
}
if(gbytes != ArgumentLogging::NA_value)
{
double rocblas_GBps = gbytes * batch_count / gpu_us * c_per_usec_to_per_sec;
// GB/s not usually reported for non-memory bound functions
name_line << ",rocblas-GB/s";
val_line << ", " << rocblas_GBps;
}
name_line << ",us";
val_line << ", " << gpu_us;
if(arg.unit_check || arg.norm_check)
{
if(cpu_us != ArgumentLogging::NA_value)
{
if(gflops != ArgumentLogging::NA_value)
{
double cblas_gflops = gflops * batch_count / cpu_us * c_per_usec_to_per_sec;
name_line << ",CPU-Gflops";
val_line << "," << cblas_gflops;
}
name_line << ",CPU-us";
val_line << "," << cpu_us;
}
if(arg.norm_check)
{
if(norm1 != ArgumentLogging::NA_value)
{
name_line << ",norm_error_1";
val_line << "," << norm1;
}
if(norm2 != ArgumentLogging::NA_value)
{
name_line << ",norm_error_2";
val_line << "," << norm2;
}
if(norm3 != ArgumentLogging::NA_value)
{
name_line << ",norm_error_3";
val_line << "," << norm3;
}
if(norm4 != ArgumentLogging::NA_value)
{
name_line << ",norm_error_4";
val_line << "," << norm4;
}
}
}
}
template <typename T>
void log_args(rocblas_internal_ostream& str,
const Arguments& arg,
double gpu_us,
double gflops,
double gpu_bytes = ArgumentLogging::NA_value,
double cpu_us = ArgumentLogging::NA_value,
double norm1 = ArgumentLogging::NA_value,
double norm2 = ArgumentLogging::NA_value,
double norm3 = ArgumentLogging::NA_value,
double norm4 = ArgumentLogging::NA_value)
{
if(arg.iters < 1)
return; // warmup test only
rocblas_internal_ostream name_list;
rocblas_internal_ostream value_list;
value_list.set_csv(true);
if(ArgumentModel_get_log_function_name())
{
auto delim = ",";
name_list << "function" << delim;
value_list << arg.function << delim;
}
if(ArgumentModel_get_log_datatype())
{
auto delim = ",";
name_list << "a_type" << delim;
value_list << rocblas_datatype2string(arg.a_type) << delim;
name_list << "b_type" << delim;
value_list << rocblas_datatype2string(arg.b_type) << delim;
name_list << "c_type" << delim;
value_list << rocblas_datatype2string(arg.c_type) << delim;
name_list << "d_type" << delim;
value_list << rocblas_datatype2string(arg.d_type) << delim;
name_list << "compute_type" << delim;
value_list << rocblas_datatype2string(arg.compute_type) << delim;
}
// Output (name, value) pairs to name_list and value_list
auto print = [&, delim = ""](const char* name, auto&& value) mutable {
name_list << delim << name;
value_list << delim << value;
delim = ",";
};
// Args is a parameter pack of type: rocblas_argument...
// The rocblas_argument enum values in Args correspond to the function arguments that
// will be printed by rocblas_test or rocblas_bench. For example, the function:
//
// rocblas_ddot(rocblas_handle handle,
// rocblas_int n,
// const double* x,
// rocblas_int incx,
// const double* y,
// rocblas_int incy,
// double* result);
// will have <Args> = <e_N, e_incx, e_incy>
//
// print is a lambda defined above this comment block
//
// arg is an instance of the Arguments struct
//
// apply is a templated lambda for C++17 and a templated functor for C++14
//
// For rocblas_ddot, the following template specialization of apply will be called:
// apply<e_N>(print, arg, T{}), apply<e_incx>(print, arg, T{}), apply<e_incy>(print, arg, T{})
//
// apply in turn calls print with a string corresponding to the enum, for example "N" and the value of N
//
#if __cplusplus >= 201703L
// C++17
(ArgumentsHelper::apply<Args>(print, arg, T{}), ...);
#else
// C++14. TODO: Remove when C++17 is used
(void)(int[]){(ArgumentsHelper::apply<Args>{}()(print, arg, T{}), 0)...};
#endif
if(arg.timing)
log_perf(name_list,
value_list,
arg,
gpu_us,
gflops,
gpu_bytes,
cpu_us,
norm1,
norm2,
norm3,
norm4);
str << name_list << "\n" << value_list << std::endl;
}
};
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