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minedmap/tile_renderer: parallel processing

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Matthias Schiffer 2023-08-14 22:40:20 +02:00
parent b5980b82af
commit 155171803d
Signed by: neocturne
GPG key ID: 16EF3F64CB201D9C
1 changed files with 7 additions and 3 deletions
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10
src/bin/minedmap/tile_renderer.rs
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@ -8,6 +8,7 @@ use std::{
use anyhow::{Context, Result}; use anyhow::{Context, Result};
use glam::Vec3; use glam::Vec3;
use lru::LruCache; use lru::LruCache;
use rayon::prelude::*;
use tokio::sync::OnceCell; use tokio::sync::OnceCell;
use minedmap::{ use minedmap::{
@ -54,7 +55,9 @@ pub struct TileRenderer<'a> {
impl<'a> TileRenderer<'a> { impl<'a> TileRenderer<'a> {
pub fn new(config: &'a Config, rt: &'a tokio::runtime::Runtime) -> Self { pub fn new(config: &'a Config, rt: &'a tokio::runtime::Runtime) -> Self {
let region_cache = Mutex::new(LruCache::new(NonZeroUsize::new(12).unwrap())); let region_cache = Mutex::new(LruCache::new(
NonZeroUsize::new(6 + 6 * config.num_threads).unwrap(),
));
TileRenderer { TileRenderer {
config, config,
rt, rt,
@ -261,11 +264,12 @@ impl<'a> TileRenderer<'a> {
pub fn run(self, regions: &[TileCoords]) -> Result<()> { pub fn run(self, regions: &[TileCoords]) -> Result<()> {
fs::create_dir_all(&self.config.tile_dir(TileKind::Map, 0))?; fs::create_dir_all(&self.config.tile_dir(TileKind::Map, 0))?;
for &coords in regions { // Use par_bridge to process items in order (for better use of region cache)
regions.iter().par_bridge().for_each(|&coords| {
if let Err(err) = self.render_tile(coords) { if let Err(err) = self.render_tile(coords) {
eprintln!("Failed to render tile {:?}: {:?}", coords, err); eprintln!("Failed to render tile {:?}: {:?}", coords, err);
} }
} });
Ok(()) Ok(())
} }