Add pwritev to wasm/js api

bindings/javascript/src/lib.rs

@@ -718,6 +718,15 @@ impl turso_core::DatabaseStorage for DatabaseFile {
         let pos = (page_idx - 1) * size;
         self.file.pwrite(pos, buffer, c)
     }
+    fn write_pages(
+        &self,
+        _first_page_idx: usize,
+        _page_size: usize,
+        _buffers: Vec<Arc<RefCell<turso_core::Buffer>>>,
+        _c: turso_core::Completion,
+    ) -> turso_core::Result<()> {
+        todo!();
+    }
 
     fn sync(&self, c: turso_core::Completion) -> turso_core::Result<turso_core::Completion> {
         self.file.sync(c)

testing/cli_tests/vfs_bench.py

@@ -13,7 +13,7 @@ from typing import Dict
 from cli_tests.console import error, info, test
 from cli_tests.test_turso_cli import TestTursoShell
 
-LIMBO_BIN = Path("./target/release/tursodb")
+LIMBO_BIN = Path("./target/debug/tursodb")
 DB_FILE = Path("testing/temp.db")
 vfs_list = ["syscall"]
 if platform.system() == "Linux":
@@ -79,11 +79,13 @@ def main() -> None:
     averages: Dict[str, float] = {}
 
     for vfs in vfs_list:
+        setup_temp_db()
         test(f"\n### VFS: {vfs} ###")
         times = bench_one(vfs, sql, iterations)
         info(f"All times ({vfs}):", " ".join(f"{t:.6f}" for t in times))
         avg = statistics.mean(times)
         averages[vfs] = avg
+        cleanup_temp_db()
 
     info("\n" + "-" * 60)
     info("Average runtime per VFS")
@@ -106,7 +108,6 @@ def main() -> None:
             faster_slower = "slower" if pct > 0 else "faster"
             info(f"{vfs:<{name_pad}} : {avg:.6f}  ({abs(pct):.1f}% {faster_slower} than {baseline})")
         info("-" * 60)
-    cleanup_temp_db()
 
 
 if __name__ == "__main__":