cory-master/BabelStream
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added csv-output-sentinals and output

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This commit is contained in:
Peter Steinbach 2017-07-26 14:22:24 +02:00
parent ee8ab08eaf
commit 99fad100c6
1 changed files with 63 additions and 25 deletions
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88
main.cpp
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@ -43,6 +43,7 @@ unsigned int num_times = 100;
unsigned int deviceIndex = 0;
bool use_float = false;
bool output_as_csv = false;
std::string csv_seperator = ",";
template <typename T>
void check_solution(const unsigned int ntimes, std::vector<T>& a, std::vector<T>& b, std::vector<T>& c, T& sum);
@ -54,13 +55,16 @@ void parseArguments(int argc, char *argv[]);
int main(int argc, char *argv[])
{
std::cout
<< "BabelStream" << std::endl
<< "Version: " << VERSION_STRING << std::endl
<< "Implementation: " << IMPLEMENTATION_STRING << std::endl;
parseArguments(argc, argv);
if(!output_as_csv){
std::cout
<< "BabelStream" << std::endl
<< "Version: " << VERSION_STRING << std::endl
<< "Implementation: " << IMPLEMENTATION_STRING << std::endl;
}
// TODO: Fix Kokkos to allow multiple template specializations
#ifndef KOKKOS
if (use_float)
@ -74,24 +78,30 @@ int main(int argc, char *argv[])
template <typename T>
void run()
{
std::cout << "Running kernels " << num_times << " times" << std::endl;
std::streamsize ss = std::cout.precision();
if (sizeof(T) == sizeof(float))
std::cout << "Precision: float" << std::endl;
else
std::cout << "Precision: double" << std::endl;
if(!output_as_csv){
std::cout << "Running kernels " << num_times << " times" << std::endl;
if (sizeof(T) == sizeof(float))
std::cout << "Precision: float" << std::endl;
else
std::cout << "Precision: double" << std::endl;
std::cout << std::setprecision(1) << std::fixed
<< "Array size: " << ARRAY_SIZE*sizeof(T)*1.0E-6 << " MB"
<< " (=" << ARRAY_SIZE*sizeof(T)*1.0E-9 << " GB)" << std::endl;
std::cout << "Total size: " << 3.0*ARRAY_SIZE*sizeof(T)*1.0E-6 << " MB"
<< " (=" << 3.0*ARRAY_SIZE*sizeof(T)*1.0E-9 << " GB)" << std::endl;
std::cout.precision(ss);
}
// Create host vectors
std::vector<T> a(ARRAY_SIZE);
std::vector<T> b(ARRAY_SIZE);
std::vector<T> c(ARRAY_SIZE);
std::streamsize ss = std::cout.precision();
std::cout << std::setprecision(1) << std::fixed
<< "Array size: " << ARRAY_SIZE*sizeof(T)*1.0E-6 << " MB"
<< " (=" << ARRAY_SIZE*sizeof(T)*1.0E-9 << " GB)" << std::endl;
std::cout << "Total size: " << 3.0*ARRAY_SIZE*sizeof(T)*1.0E-6 << " MB"
<< " (=" << 3.0*ARRAY_SIZE*sizeof(T)*1.0E-9 << " GB)" << std::endl;
std::cout.precision(ss);
// Result of the Dot kernel
T sum;
@ -180,14 +190,29 @@ void run()
check_solution<T>(num_times, a, b, c, sum);
// Display timing results
std::cout
<< std::left << std::setw(12) << "Function"
<< std::left << std::setw(12) << "MBytes/sec"
<< std::left << std::setw(12) << "Min (sec)"
<< std::left << std::setw(12) << "Max"
<< std::left << std::setw(12) << "Average" << std::endl;
if(output_as_csv){
std::cout
<< "function" << csv_seperator
<< "nreps" << csv_seperator
<< "n_elements" << csv_seperator
<< "sizeof" << csv_seperator
<< "max_mbytes_per_sec"<< csv_seperator
<< "min_runtime" << csv_seperator
<< "max_runtime" << csv_seperator
<< "avg_runtime" << std::endl;
}
else{
std::cout
<< std::left << std::setw(12) << "Function"
<< std::left << std::setw(12) << "MBytes/sec"
<< std::left << std::setw(12) << "Min (sec)"
<< std::left << std::setw(12) << "Max"
<< std::left << std::setw(12) << "Average"
<< std::endl
<< std::fixed;
}
std::cout << std::fixed;
std::string labels[5] = {"Copy", "Mul", "Add", "Triad", "Dot"};
size_t sizes[5] = {
@ -207,14 +232,27 @@ void run()
double average = std::accumulate(timings[i].begin()+1, timings[i].end(), 0.0) / (double)(num_times - 1);
// Display results
std::cout
if(output_as_csv){
std::cout
<< labels[i] << csv_seperator
<< num_times << csv_seperator
<< ARRAY_SIZE << csv_seperator
<< sizeof(T) << csv_seperator
<< 1.0E-6 * sizes[i] / (*minmax.first) << csv_seperator
<< *minmax.first << csv_seperator
<< *minmax.second << csv_seperator
<< average << csv_seperator
<< std::endl;
}
else {
std::cout
<< std::left << std::setw(12) << labels[i]
<< std::left << std::setw(12) << std::setprecision(3) << 1.0E-6 * sizes[i] / (*minmax.first)
<< std::left << std::setw(12) << std::setprecision(5) << *minmax.first
<< std::left << std::setw(12) << std::setprecision(5) << *minmax.second
<< std::left << std::setw(12) << std::setprecision(5) << average
<< std::endl;
}
}
delete stream;