cory-master/BabelStream
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add init/read timing for C++ models

Browse Source
This commit is contained in:
Tom Lin 2023-10-07 10:23:31 +01:00
parent ffae3ba83f
commit 5f3741e404
1 changed files with 49 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
src/main.cpp
View File

@ -306,7 +306,9 @@ void run()
#endif
auto init1 = std::chrono::high_resolution_clock::now();
stream->init_arrays(startA, startB, startC);
auto init2 = std::chrono::high_resolution_clock::now();
// Result of the Dot kernel, if used.
T sum = 0.0;
@ -333,7 +335,54 @@ void run()
std::vector<T> c(ARRAY_SIZE);
auto read1 = std::chrono::high_resolution_clock::now();
stream->read_arrays(a, b, c);
auto read2 = std::chrono::high_resolution_clock::now();
auto initElapsedS = std::chrono::duration_cast<std::chrono::duration<double>>(read2 - read1).count();
auto readElapsedS = std::chrono::duration_cast<std::chrono::duration<double>>(init2 - init1).count();
auto initBWps = ((mibibytes ? std::pow(2.0, -20.0) : 1.0E-6) * (3 * sizeof(T) * ARRAY_SIZE)) / initElapsedS;
auto readBWps = ((mibibytes ? std::pow(2.0, -20.0) : 1.0E-6) * (3 * sizeof(T) * ARRAY_SIZE)) / readElapsedS;
if (output_as_csv)
{
std::cout
<< "phase" << csv_separator
<< "n_elements" << csv_separator
<< "sizeof" << csv_separator
<< ((mibibytes) ? "max_mibytes_per_sec" : "max_mbytes_per_sec") << csv_separator
<< "runtime" << std::endl;
std::cout
<< "Init" << csv_separator
<< ARRAY_SIZE << csv_separator
<< sizeof(T) << csv_separator
<< initBWps << csv_separator
<< initElapsedS << std::endl;
std::cout
<< "Read" << csv_separator
<< ARRAY_SIZE << csv_separator
<< sizeof(T) << csv_separator
<< readBWps << csv_separator
<< readElapsedS << std::endl;
}
else
{
std::cout << "Init: "
<< std::setw(7)
<< initElapsedS
<< " s (="
<< initBWps
<< (mibibytes ? " MiBytes/sec" : " MBytes/sec")
<< ")" << std::endl;
std::cout << "Read: "
<< std::setw(7)
<< readElapsedS
<< " s (="
<< readBWps
<< (mibibytes ? " MiBytes/sec" : " MBytes/sec")
<< ")" << std::endl;
}
check_solution<T>(num_times, a, b, c, sum);
// Display timing results