rust-postgres/postgres/benches/bench.rs

#![feature(test)]
extern crate test;
extern crate postgres;

use postgres::{Connection, TlsMode};

#[bench]
fn bench_naiive_execute(b: &mut test::Bencher) {
    let conn = Connection::connect("postgres://postgres@localhost:5433", TlsMode::None).unwrap();
    conn.execute("CREATE TEMPORARY TABLE foo (id INT)", &[])
        .unwrap();

    b.iter(|| {
        let stmt = conn.prepare("UPDATE foo SET id = 1").unwrap();
        let out = stmt.execute(&[]).unwrap();
        stmt.finish().unwrap();
        out
    });
}

#[bench]
fn bench_execute(b: &mut test::Bencher) {
    let conn = Connection::connect("postgres://postgres@localhost:5433", TlsMode::None).unwrap();
    conn.execute("CREATE TEMPORARY TABLE foo (id INT)", &[])
        .unwrap();

    b.iter(|| conn.execute("UPDATE foo SET id = 1", &[]).unwrap());
}