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-rw-r--r--tvix/glue/benches/eval.rs29
1 files changed, 17 insertions, 12 deletions
diff --git a/tvix/glue/benches/eval.rs b/tvix/glue/benches/eval.rs
index f5c9813c9063..12a0f958963e 100644
--- a/tvix/glue/benches/eval.rs
+++ b/tvix/glue/benches/eval.rs
@@ -1,12 +1,13 @@
 use criterion::{black_box, criterion_group, criterion_main, Criterion};
 use lazy_static::lazy_static;
-use std::{cell::RefCell, env, rc::Rc, sync::Arc, time::Duration};
+use std::{env, rc::Rc, sync::Arc, time::Duration};
 use tvix_castore::{
     blobservice::{BlobService, MemoryBlobService},
     directoryservice::{DirectoryService, MemoryDirectoryService},
 };
+use tvix_eval::EvalIO;
 use tvix_glue::{
-    builtins::add_derivation_builtins, configure_nix_path, known_paths::KnownPaths,
+    builtins::add_derivation_builtins, configure_nix_path, tvix_io::TvixIO,
     tvix_store_io::TvixStoreIO,
 };
 use tvix_store::pathinfoservice::{MemoryPathInfoService, PathInfoService};
@@ -26,10 +27,21 @@ fn interpret(code: &str) {
     // TODO: this is a bit annoying.
     // It'd be nice if we could set this up once and then run evaluate() with a
     // piece of code. b/262
-    let mut eval = tvix_eval::Evaluation::new_impure();
 
-    let known_paths: Rc<RefCell<KnownPaths>> = Default::default();
-    add_derivation_builtins(&mut eval, known_paths);
+    // We assemble a complete store in memory.
+    let tvix_store_io = Rc::new(TvixStoreIO::new(
+        BLOB_SERVICE.clone(),
+        DIRECTORY_SERVICE.clone(),
+        PATH_INFO_SERVICE.clone(),
+        TOKIO_RUNTIME.handle().clone(),
+    ));
+
+    let mut eval = tvix_eval::Evaluation::new(
+        Box::new(TvixIO::new(tvix_store_io.clone() as Rc<dyn EvalIO>)) as Box<dyn EvalIO>,
+        true,
+    );
+
+    add_derivation_builtins(&mut eval, tvix_store_io);
     configure_nix_path(
         &mut eval,
         // The benchmark requires TVIX_BENCH_NIX_PATH to be set, so barf out
@@ -37,13 +49,6 @@ fn interpret(code: &str) {
         &Some(env::var("TVIX_BENCH_NIX_PATH").expect("TVIX_BENCH_NIX_PATH must be set")),
     );
 
-    eval.io_handle = Box::new(tvix_glue::tvix_io::TvixIO::new(TvixStoreIO::new(
-        BLOB_SERVICE.clone(),
-        DIRECTORY_SERVICE.clone(),
-        PATH_INFO_SERVICE.clone(),
-        TOKIO_RUNTIME.handle().clone(),
-    )));
-
     let result = eval.evaluate(code, None);
 
     assert!(result.errors.is_empty());