Completed implementation
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@ -40,17 +40,18 @@ auto parse_file(std::ifstream &stream, std::vector<T> &vec) -> void {
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auto main(int argc, char *argv[]) -> int {
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try {
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std::ifstream file("dataset.dat", std::ios_base::in);
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const auto path = "dataset.dat";
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std::ifstream file(path, std::ios_base::in);
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if (!file.is_open()) {
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fmt::print("Error opening file");
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fmt::print("\nError opening file");
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return -1;
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}
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fmt::print("Opened file {} sucessfully\n", "dummy");
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fmt::print("\nOpened file {} sucessfully", path);
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std::vector<int32_t> dataset;
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parse_file(file, dataset);
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fmt::print("Read {} values from {}\n", dataset.size(), "dummy");
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fmt::print("\nRead {} values from {}", dataset.size(), path);
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auto dataset_par = dataset;
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auto dataset_seq = dataset;
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@ -62,7 +63,7 @@ auto main(int argc, char *argv[]) -> int {
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auto t2 = std::chrono::high_resolution_clock::now();
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auto t_seq = std::chrono::duration_cast<std::chrono::milliseconds>(t2 - t1);
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fmt::print("Sorted {} entries within {} ms in sequential\n", dataset_seq.size(), t_seq.count());
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fmt::print("\nSorted {} entries within {} ms in sequential", dataset_seq.size(), t_seq.count());
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const int threads = std::thread::hardware_concurrency();
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@ -76,21 +77,21 @@ auto main(int argc, char *argv[]) -> int {
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t2 = std::chrono::high_resolution_clock::now();
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auto t_par = std::chrono::duration_cast<std::chrono::milliseconds>(t2 - t1);
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fmt::print("Sorted {} entries within {} ms in parallel using {} threads and a recursion depth of {}\n", dataset_seq.size(), t_par.count(), threads, max_depth);
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fmt::print("\nSorted {} entries within {} ms in parallel using {} threads and a recursion depth of {}", dataset_seq.size(), t_par.count(), threads, max_depth);
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auto eq = (dataset_seq == dataset_par);
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fmt::print("Check whether sorted arrays are equal: {}\n", (eq)? "Equal" : "not equal");
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fmt::print("\nCheck whether sorted arrays are equal: {}", (eq)? "Equal" : "not equal");
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fmt::print("------------Summary------------");
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fmt::print("t_seq = {}", t_seq.count());
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fmt::print("t_par = {}", t_par.count());
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fmt::print("speedup = {}", (1.0*t_seq/t_par));
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fmt::print("t_seq-t_par = {}", (t_seq.count() - t_par.count()));
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fmt::print("-------------------------------");
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fmt::print("\n\n------------Summary------------");
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fmt::print("\nt_seq = {: > 5.2f} ms", static_cast<float>(t_seq.count()));
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fmt::print("\nt_par = {: > 5.2f} ms", static_cast<float>(t_par.count()));
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fmt::print("\nspeedup = {: > 5.2f}", (1.0*t_seq/t_par));
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fmt::print("\nDelta_t = {: > 5.2f} ms", static_cast<float>(t_seq.count() - t_par.count()));
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fmt::print("\n-------------------------------");
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std::ofstream ofile("dataset.out.dat", std::ios_base::out);
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if(!ofile.is_open()) {
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fmt::print("Error writing to file");
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fmt::print("\nError writing to file");
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return -1;
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}
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@ -102,12 +103,12 @@ auto main(int argc, char *argv[]) -> int {
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ofile.flush();
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ofile.close();
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fmt::print("Written to output file\n");
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fmt::print("\nWritten to output file");
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return 0;
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} catch (std::exception &e) {
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fmt::print("Error occured: {}", e.what());
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fmt::print("\nError occured: {}", e.what());
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return -1;
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}
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