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Increasing read and writer buffers capacity

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By changing from 8KB to 64KB we will be making 8 times less syscalls
This commit is contained in:
João M. Bezerra 2021-10-06 00:56:39 -03:00
parent 3f718b8335
commit 5b54bf85ee
1 changed files with 5 additions and 2 deletions
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7
src/commands.rs
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@ -22,6 +22,9 @@ use crate::{
utils::to_utf, utils::to_utf,
}; };
// Used in BufReader and BufWriter to perform less syscalls
const BUFFER_CAPACITY: usize = 1024 * 64;
pub fn run(command: Command, flags: &oof::Flags) -> crate::Result<()> { pub fn run(command: Command, flags: &oof::Flags) -> crate::Result<()> {
match command { match command {
Command::Compress { files, output_path } => { Command::Compress { files, output_path } => {
@ -150,7 +153,7 @@ fn compress_files(
output_file: fs::File, output_file: fs::File,
_flags: &oof::Flags, _flags: &oof::Flags,
) -> crate::Result<()> { ) -> crate::Result<()> {
let file_writer = BufWriter::new(output_file); let file_writer = BufWriter::with_capacity(BUFFER_CAPACITY, output_file);
if formats.len() == 1 { if formats.len() == 1 {
let build_archive_from_paths = match formats[0] { let build_archive_from_paths = match formats[0] {
@ -247,7 +250,7 @@ fn decompress_file(
} }
// Will be used in decoder chaining // Will be used in decoder chaining
let reader = BufReader::new(reader); let reader = BufReader::with_capacity(BUFFER_CAPACITY, reader);
let mut reader: Box<dyn Read> = Box::new(reader); let mut reader: Box<dyn Read> = Box::new(reader);
// Grab previous decoder and wrap it inside of a new one // Grab previous decoder and wrap it inside of a new one