perf: disable snapshot compression (#18061)

This commit disables snapshot compression for the CLI snapshot.]

Decompressing the snapshot on startup takes ~2.5ms.

1 files changed, 1 insertions, 8 deletions

diff --git a/runtime/build.rs b/runtime/build.rs
index 166421586..6da7ec419 100644
--- a/runtime/build.rs
+++ b/runtime/build.rs
@@ -294,14 +294,7 @@ mod startup_snapshot {
       startup_snapshot: None,
       extensions: vec![],
       extensions_with_js,
-      compression_cb: Some(Box::new(|vec, snapshot_slice| {
-        lzzzz::lz4_hc::compress_to_vec(
-          snapshot_slice,
-          vec,
-          lzzzz::lz4_hc::CLEVEL_MAX,
-        )
-        .expect("snapshot compression failed");
-      })),
+      compression_cb: None,
       snapshot_module_load_cb: Some(Box::new(transpile_ts_for_snapshotting)),
     });
   }