Function bench_read_exact

crates/tinywasm/benches/memory_backends.rs:53–71

(
    group: &mut BenchmarkGroup<'_, WallTime>,
    backend: &str,
    workload: &str,
    mut memory: M,
    offset: usize,
    len: usize,
)

}

fn bench_read_exact<M: LinearMemory>(
    group: &mut BenchmarkGroup<'_, WallTime>,
    backend: &str,
    workload: &str,
    mut memory: M,
    offset: usize,
    len: usize,
) {
    let src = vec![0x5A; len];
    memory.write_all(offset, &src).unwrap();

    let mut dst = vec![0; len];
    group.bench_function(BenchmarkId::new(format!("read_exact/{workload}"), backend), |b| {
        b.iter(|| {
            memory.read_exact(offset, black_box(&mut dst)).unwrap();
            black_box(&dst);
        })
    });
}

fn criterion_benchmark(c: &mut Criterion) {
    let mut group = c.benchmark_group("memory_backends");