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/cli/build.rs b/cli/build.rs
index 9d133d99a..c0a22ba12 100644
--- a/cli/build.rs
+++ b/cli/build.rs
@@ -380,14 +380,7 @@ fn create_cli_snapshot(snapshot_path: PathBuf) {
     startup_snapshot: Some(deno_runtime::js::deno_isolate_init()),
     extensions,
     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: None,
   })
 }