2 files changed, 9 insertions, 0 deletions
diff --git a/tvix/eval/Cargo.toml b/tvix/eval/Cargo.toml
index cc590791cc92..4cf8ea146cf8 100644
--- a/tvix/eval/Cargo.toml
+++ b/tvix/eval/Cargo.toml
@@ -42,6 +42,9 @@ pretty_assertions = "1.2.1"
 rstest = "0.19.0"
 tempfile = "3.3.0"
 
+[target.'cfg(not(target_env = "msvc"))'.dev-dependencies]
+tikv-jemallocator = "0.5"
+
 [features]
 default = ["impure", "arbitrary", "nix_tests"]
 
diff --git a/tvix/eval/benches/eval.rs b/tvix/eval/benches/eval.rs
index 57d4eb71b59f..1333f5018cb3 100644
--- a/tvix/eval/benches/eval.rs
+++ b/tvix/eval/benches/eval.rs
@@ -1,5 +1,11 @@
 use criterion::{black_box, criterion_group, criterion_main, Criterion};
 use itertools::Itertools;
+#[cfg(not(target_env = "msvc"))]
+use tikv_jemallocator::Jemalloc;
+
+#[cfg(not(target_env = "msvc"))]
+#[global_allocator]
+static GLOBAL: Jemalloc = Jemalloc;
 
 fn interpret(code: &str) {
     tvix_eval::Evaluation::new_pure().evaluate(code, None);