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.garbage
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// .write_all(song.leak())
// .write_all(song.as_slice())
// Possible file reading optimization
// let start = 10;
// let count = 10;
//
// let mut f = File::open("/etc/passwd")?;
// f.seek(SeekFrom::Start(start))?;
// let mut buf = vec![0; count];
// f.read_exact(&mut buf)?;
//
//
// Data Structure for paths to build the least amount of paths required
//
//' '- 20 -> 80 - P
// + - 43 -> 35 - #
// - - 45 -> 98 - b
// 0 - 48 -> 65 - A
// 1 - 49 -> 66 - B
// 2 - 50 -> 67 - C
// 3 - 51 -> 68 - D
// 4 - 52 -> 69 - E
// 5 - 53 -> 70 - F
// 6 - 54 -> 71 - G
// mask: 111111
// 6 bits are enough
// 11 indices, so 11 * 6 bits are needed
//>>> numbers = [43, 45, 48, 49, 50, 51, 52, 53, 54]
// >>> print(list(map(lambda x: x - 43, numbers)))
// [0, 2, 5, 6, 7, 8, 9, 10, 11]
// >>> translated = [35, 98, 65, 66, 67, 68, 69, 70, 71]
// >>> print(list(map(lambda x: x - 35, translated)))
// [0, 63, 30, 31, 32, 33, 34, 35, 36]
// println!("{:?}", musical_score);
// musical_score.iter().rev()
// Go from bottom to top, and put new char to the left of the previous one
//
// let lines: Vec<&[u8]> = musical_score
// .split(|&byte| byte == 10 as u8)
// .rev()
// .collect();
// Save in HashMap song_name and duration
// songs_durations[song_name, duration];
// result.push(previous_note);
// result.push(previous_note_count);
// if previous_note > di certo valore che indica diesis o bemolle
// scomponi previous_note e aggiungi
// result.push(previous_note)
// result.push(bemolle / diesis in base
//
// + - 43 -> 35 - #
// - - 45 -> 98 - b
// Translate song into new language using vector map
// Replace # and b
// Tokenize directly with double token?
// Save bytes into vec, and save data to file
// if previous_note > 162 {
// // Use if inside if to assign 'offset'
// result.push(previous_note - 98);
// result.push(98);
// } else if previous_note > 99 {
// result.push(previous_note - 35);
// result.push(35);
// } else if previous_note > 0 {
// result.push(previous_note);
// }
// result.push(previous_note_count);
// let index_file = File::open(source_folder.join("index.txt"))
// let index_file = File::open(format!("{}/index.txt", source_folder))
// .expect("Source index.txt file not found!");
// .expect("Failed reading index!");
// BufReader::new(File::open(format!("{}/{}", source_folder, song_file)).unwrap())
// TODO: NOPE
// if note == 98 || note == 35 {
// current_note = current_base + note;
// } else {
// current_base = note;
// }
//
// if current_note != previous_note {
// if previous_note > 99 {
// let offset = if previous_note > 162 { 98 } else { 35 };
// result.push(previous_note - offset);
// result.push(offset);
// } else if previous_note > 0 {
// result.push(previous_note);
// }
// result.push(48 + previous_note_count); // '0' + count
//
// // previous_note = current_note;
// previous_note = note;
// duration += previous_note_count as usize;
// previous_note_count = 1;
// }
// TODO: enum for diesis and bemolle?
// if previous_note > 99 {
// let offset = if previous_note > 162 { 98 } else { 35 };
// result.push(previous_note - offset);
// result.push(offset);
// } else if previous_note > 0 {
// result.push(previous_note);
// }
// result.push(previous_note_count);
// duration += previous_note_count as usize;
// TODO: set size of songs_paths to musical_scores_index.len()
// source_index = source_index.replace('"', "\r");
// let musical_scores_index: Vec<(&str, &str)> = source_index
// .split('\n')
// .filter_map(|line| line.trim().split_once("\r \r"))
// .collect();
// Instead of collecting here, make threads and send them rx and tx to hashmap later
// songs_durations.insert(song_name.to_string(), song_duration);
// Save index.txt :)
// fs::write("", contents)
// File::create(song_path).unwrap().write_all(&result).unwrap();
// let mut source_index = String::new();
// BufReader::new(File::open(source_folder.join("index.txt")).unwrap())
// .read_to_string(&mut source_index)
// .unwrap();
// let mut source_index = read_to_string(source_folder.join("index.txt")).unwrap();
// source_index = source_index.replace("\" \"", "\r").replace('"', ""); // https://users.rust-lang.org/t/fast-removing-chars-from-string/24554/12
// let songs_index: Vec<(&str, &str)> = source_index
// .split('\n')
// .filter_map(|line| line.split_once('\r'))
// .collect();
// let mut source_index
// source_index
// source_index = source_index; // https://users.rust-lang.org/t/fast-removing-chars-from-string/24554/12
// for staff in musical_score.split(|&byte| byte == 10 as u8) {
// for staff in musical_score.split(|&byte| byte == 10 as u8) {
// if symbol != 35 && symbol != 98 {
// song_duration += 1;
// }
// enum Note {
// None,
// Normal(u8, u8),
// Accidental(u8, u8, u8),
// Unknown(u8, u8, u8),
// }
// let mut result = String::new();
// TODO: prealloc musical score size, in reality you can't know!
// let mut result = vec![];
// let musical_score: Vec<u8> = read(source_folder.join(&song_file))
// .unwrap()
// .iter()
// .map(|&byte| tarahumara_umkansanian_dictionary[byte as usize])
// .collect();
// if symbol == 35 || symbol == 98 {
// result.push_str(&format!("{}{}", note as char, duration - 1));
// result.push(note); result.extend_from_slice((duration - 1).to_string().as_bytes());
// result.push_str(&format!("{}{duration}", note as char));
// result.push(note); result.extend_from_slice(duration.to_string().as_bytes());
// result.push_str(&format!(
// "{}{}{duration}",
// note as char, accidental as char
// ));
// result.push(note); result.push(accidental); result.extend_from_slice(duration.to_string().as_bytes());
// result.push_str(&format!(
// "{}{}{duration}",
// note as char, accidental as char
// ));
// result.push(note); result.push(accidental); result.extend_from_slice(duration.to_string().as_bytes());
// result.push_str(&format!(
// "{}{}{duration}{}1",
// note as char, accidental as char, note as char
// ));
// result.push(note); result.push(accidental); result.extend_from_slice(duration.to_string().as_bytes()); result.push(note); result.push(49); // 1 in ASCII
// result.push_str(&format!(
// "{}{}{duration}",
// note as char, accidental as char
// ));
// result.push(note); result.push(accidental); result.extend_from_slice(duration.to_string().as_bytes());
// result.push_str(&format!("{}{duration}", note as char))
// result.push(note); result.extend_from_slice(duration.to_string().as_bytes());
// result.push_str(&format!("{}{}{duration}", note as char, accidental as char))
// result.push(note); result.push(accidental); result.extend_from_slice(duration.to_string().as_bytes());
// result.push_str(&format!(
// "{}{}{duration}{}1",
// note as char, accidental as char, note as char
// ))
// result.push(note); result.push(accidental); result.extend_from_slice(duration.to_string().as_bytes()); result.push(note); result.push(49); // 1 in ASCII
// if symbol != note {
// result.push_str(&format!("{note}{accidental}{duration}"));
// Note::Normal(symbol, 1)
// } else {
// Note::Unknown(note, duration, accidental)
// }
// if symbol == '#' || symbol == 'b' {
// if accidental != symbol {
// result.push_str(&format!("{note}{accidental}{duration}"));
// Note::Accidental(note, 1, symbol)
// } else {
// Note::Accidental(note, duration + 1, accidental)
// }
// } else if symbol != note {
// result.push_str(&format!("{note}{accidental}{duration}{note}1"));
// Note::Normal(symbol, 1)
// } else {
// result.push_str(&format!("{note}{accidental}{duration}"));
// Note::Normal(note, 2)
// }
// note = match note {
// None => Normal(symbol, 1),
// Normal(note, duration) => match symbol {
// '#' | 'b' => Accidental(note, 1, symbol),
// _ if symbol == note => Normal(note, duration + 1),
// _ => Normal(symbol, 1),
// },
// Accidental(note, duration, accidental) => match symbol {
// _ if symbol == note => Unknown(note, duration, accidental),
// _ => Normal(symbol, 1),
// },
// Unknown(note, duration, accidental) => match symbol {
// '#' | 'b' => match accidental {
// _ if symbol != accidental => Accidental(note, 1, symbol),
// _ => Accidental(note, duration + 1, accidental),
// },
// _ if symbol == note => Normal(note, 2),
// _ => Normal(symbol, 1),
// },
// }
// note = match note {
// None => Normal(symbol, 1),
// Normal(note, duration) => match symbol {
// '#' | 'b' => Accidental(note, 1, symbol),
// _ => {
// if symbol == note {
// Normal(note, duration + 1)
// } else {
// Normal(symbol, 1)
// }
// }
// },
// Accidental(note, duration, accidental) => {
// if symbol == note {
// Unknown(note, duration, accidental)
// } else {
// Normal(symbol, 1)
// }
// }
// Unknown(note, duration, accidental) => match symbol {
// '#' | 'b' => {
// if symbol != accidental {
// Accidental(note, 1, symbol)
// } else {
// Accidental(note, duration + 1, accidental)
// }
// }
// _ => {
// if symbol == note {
// Normal(note, 2)
// } else {
// Normal(symbol, 1)
// }
// }
// },
// }
running 10 tests # Yes threads
test tests::tests::bench_test_01 ... bench: 1,183,908 ns/iter (+/- 30,653)
test tests::tests::bench_test_02 ... bench: 1,281,379 ns/iter (+/- 53,230)
test tests::tests::bench_test_03 ... bench: 44,466,304 ns/iter (+/- 1,316,947)
test tests::tests::bench_test_04 ... bench: 1,363,250 ns/iter (+/- 107,699)
test tests::tests::bench_test_05 ... bench: 3,235,939 ns/iter (+/- 210,398)
test tests::tests::bench_test_06 ... bench: 1,685,311 ns/iter (+/- 37,343)
test tests::tests::bench_test_07 ... bench: 2,643,796 ns/iter (+/- 65,278)
test tests::tests::bench_test_08 ... bench: 1,849,036 ns/iter (+/- 130,668)
test tests::tests::bench_test_09 ... bench: 1,412,082 ns/iter (+/- 132,278)
test tests::tests::bench_test_10 ... bench: 31,604,413 ns/iter (+/- 696,966)
running 10 tests # No threads
test tests::tests::bench_test_01 ... bench: 1,446,476 ns/iter (+/- 20,632)
test tests::tests::bench_test_02 ... bench: 1,656,533 ns/iter (+/- 97,784)
test tests::tests::bench_test_03 ... bench: 58,458,353 ns/iter (+/- 2,189,421)
test tests::tests::bench_test_04 ... bench: 2,016,327 ns/iter (+/- 160,664)
test tests::tests::bench_test_05 ... bench: 4,740,715 ns/iter (+/- 133,576)
test tests::tests::bench_test_06 ... bench: 2,105,034 ns/iter (+/- 33,914)
test tests::tests::bench_test_07 ... bench: 4,631,728 ns/iter (+/- 197,693)
test tests::tests::bench_test_08 ... bench: 2,831,641 ns/iter (+/- 89,496)
test tests::tests::bench_test_09 ... bench: 1,897,260 ns/iter (+/- 85,845)
test tests::tests::bench_test_10 ... bench: 60,034,758 ns/iter (+/- 2,642,784)
running 10 tests # 8 threads
test tests::tests::bench_test_01 ... bench: 1,606,120 ns/iter (+/- 183,275)
test tests::tests::bench_test_02 ... bench: 1,843,764 ns/iter (+/- 444,383)
test tests::tests::bench_test_03 ... bench: 35,054,879 ns/iter (+/- 3,450,165)
test tests::tests::bench_test_04 ... bench: 1,678,936 ns/iter (+/- 130,252)
test tests::tests::bench_test_05 ... bench: 3,499,648 ns/iter (+/- 972,569)
test tests::tests::bench_test_06 ... bench: 2,100,964 ns/iter (+/- 111,169)
test tests::tests::bench_test_07 ... bench: 3,404,194 ns/iter (+/- 214,892)
test tests::tests::bench_test_08 ... bench: 2,528,947 ns/iter (+/- 340,343)
test tests::tests::bench_test_09 ... bench: 1,666,374 ns/iter (+/- 170,261)
test tests::tests::bench_test_10 ... bench: 31,755,653 ns/iter (+/- 2,417,598)
// https://doc.rust-lang.org/rust-by-example/std_misc/channels.html
// let source = source_folder.join(&file);
// let (translation, duration) = scope
// .spawn(|| {
// translate(
// // &read(source_folder.join(&file))
// &read(source)
// .unwrap()
// .iter()
// .map(|byte| match byte {
// 10 => '\n',
// 32 => 'P',
// 43 => '#',
// 45 => 'b',
// byte => (byte + 17) as char,
// })
// .collect(),
// )
// })
// .join()
// .unwrap();