bronku/file_sorting
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final?

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bronku 2025-11-17 19:39:10 +01:00
parent 1f6b998063
commit 3030f9bd98
6 changed files with 50 additions and 33 deletions
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13
src/main.cpp
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@ -21,13 +21,13 @@ void generate_file(int N, const std::string& filename)
void read_and_evaluate(std::string filename)
{
FileReader input(filename);
while (true) {
for (size_t i = 0;; i++) {
auto rec = input.read();
if (!rec.has_value()) {
return;
}
std::cout << "[Evaluate: " << rec.value().evaluate() << "] " << rec.value() << "\n";
std::cout << "record " << i << " [value: " << rec.value().evaluate() << "] " << rec.value() << "\n";
}
}
@ -36,15 +36,18 @@ int main(int argc, char** argv)
Configuration opts(argc, argv);
if (opts.generate_data) {
generate_file(opts.N, opts.output_file);
generate_file(opts.generate_data, opts.output_file);
return 0;
}
if (opts.evaluate_file) {
if (opts.read_file) {
read_and_evaluate(opts.input_file);
return 0;
}
MergeSorter sorter(opts.b, opts.n, opts.tmp_dir);
MergeSorter sorter(opts.buffer_cols, opts.buffer_rows, opts.tmp_directory);
sorter.sort_file(opts.input_file, opts.output_file);
std::cout << "total reads: " << sorter.disk_reads() << '\n'
<< "total writes: " << sorter.disk_writes() << '\n'
<< "phases: " << sorter.phases() << "\n";
}