2 files changed, 10 insertions, 0 deletions
diff --git a/tvix/cli/Cargo.toml b/tvix/cli/Cargo.toml
index be85597fa2ae..d3c05172e456 100644
--- a/tvix/cli/Cargo.toml
+++ b/tvix/cli/Cargo.toml
@@ -26,3 +26,6 @@ tracing-subscriber = "0.3.16"
 
 [dependencies.wu-manber]
 git = "https://github.com/tvlfyi/wu-manber.git"
+
+[target.'cfg(not(target_env = "msvc"))'.dependencies]
+tikv-jemallocator = "0.5"
diff --git a/tvix/cli/src/main.rs b/tvix/cli/src/main.rs
index 292a223cbb1a..66ec5a99dba6 100644
--- a/tvix/cli/src/main.rs
+++ b/tvix/cli/src/main.rs
@@ -18,6 +18,13 @@ use tvix_glue::tvix_io::TvixIO;
 use tvix_glue::tvix_store_io::TvixStoreIO;
 use tvix_glue::{builtins::add_derivation_builtins, configure_nix_path};
 
+#[cfg(not(target_env = "msvc"))]
+use tikv_jemallocator::Jemalloc;
+
+#[cfg(not(target_env = "msvc"))]
+#[global_allocator]
+static GLOBAL: Jemalloc = Jemalloc;
+
 #[derive(Parser, Clone)]
 struct Args {
     #[arg(long)]