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📦 NEW: New value net. Add data truncation script
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@ianagbip1oti
ianagbip1oti authored Mar 11, 2024
1 parent 3b80994 commit f672b76
Showing 5 changed files with 107,241 additions and 107,177 deletions.
64 changes: 64 additions & 0 deletions src/bin/data-truncate.rs
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use princhess::train::TrainingPosition;

use std::env;
use std::fs::File;
use std::io::{self, BufRead, BufReader, BufWriter, Write};
use std::time::Instant;

const BUFFER_COUNT: usize = 1 << 16;

fn main() {
let mut args = env::args();
args.next();

let truncate_to = args.next().unwrap().parse::<usize>().unwrap();
let files = args.collect::<Vec<String>>();

for input in files {
let file = File::open(input.clone()).unwrap();
let positions = file.metadata().unwrap().len() as usize / TrainingPosition::SIZE;

let buffer_size = BUFFER_COUNT * TrainingPosition::SIZE;
let mut buffer = BufReader::with_capacity(buffer_size, file);

let out_file = format!("{}.{}m.truncated", input, truncate_to);
let mut writer =
BufWriter::new(File::create(out_file).unwrap());

let start = Instant::now();
println!(
"Truncating {} positions from {} to {}m positions...",
positions, input, truncate_to
);

let mut processed = 0;

while let Ok(bytes) = buffer.fill_buf() {
if bytes.is_empty() {
break;
}

let data = TrainingPosition::read_batch(bytes);
TrainingPosition::write_batch(&mut writer, data).unwrap();

processed += data.len();

print!(
"{:>8} / {} ({:2}%)\r",
processed,
truncate_to * 1000000,
processed * 100 / (truncate_to * 1000000),
);
io::stdout().flush().unwrap();

let consumed = bytes.len();
buffer.consume(consumed);

if processed >= truncate_to * 1000000 {
break;
}
}

println!("Wrote {}m positions in {:?}", truncate_to, start.elapsed());
}
}
96 changes: 48 additions & 48 deletions src/value/hidden_bias
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Original file line number Diff line number Diff line change
@@ -1,56 +1,56 @@
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