use jemalloc

Cargo.toml

@@ -28,6 +28,7 @@ tower-http = { version = "0.6", features = ["trace"] }
 tracing-subscriber = { version = "0.3", features = ["env-filter", "fmt"] }
 tracing = "0.1"
 antichess-tb-sys = "0.1"
+tikv-jemallocator = "0.6.0"
 
 [profile.release]
 lto = true

src/antichess_tb.rs

@@ -63,7 +63,7 @@ pub unsafe fn probe_dtw(pos: &VariantPosition) -> Option<i32> {
     match result {
         0 => Some(dtw as i32),
         1 => Some(dtw as i32), // cursed win/loss
-        2 => Some(0), // draw
+        2 => Some(0),          // draw
         error => {
             warn!("antichess tb probe failed with error code {error}");
             None

src/main.rs

@@ -25,6 +25,7 @@ use clap::{builder::PathBufValueParser, ArgAction, CommandFactory as _, Parser};
 use listenfd::ListenFd;
 use moka::future::Cache;
 use shakmaty_syzygy::filesystem::{MmapFilesystem, OsFilesystem};
+use tikv_jemallocator::Jemalloc;
 use tokio::net::TcpListener;
 use tower_http::trace::TraceLayer;
 use tracing::{info, info_span, trace, Instrument as _};
@@ -37,6 +38,9 @@ use crate::{
     tablebases::Tablebases,
 };
 
+#[global_allocator]
+static GLOBAL: Jemalloc = Jemalloc;
+
 #[derive(Parser, Debug)]
 struct Opt {
     /// Directory with Syzygy tablebase files for standard chess.