message: [bench]update chain bench.
diff: @@ -6,7 +6,7 @@ use criterion::{criterion_group, criterion_main, Benchmark, Criterion};
  use starcoin_bus::BusActor;
  fn block_try_connect(c: &mut Criterion) {
  - for i in vec![100u64, 500].into_iter() {
  + for i in vec![100u64, 500, 1000].into_iter() {
  c.bench(
  "block_try_connect",
  Benchmark::new(format!("connect_branch_{:?}", i), move |b| {
  @@ -22,8 +22,8 @@ fn block_try_connect(c: &mut Criterion) {
  }
  fn block_chain_branch(c: &mut Criterion) {
  - for i in vec![100u64, 500].into_iter() {
  - for j in vec![5u64, 10].into_iter() {
  + for i in vec![100u64, 500, 1000].into_iter() {
  + for j in vec![2u64, 5, 10].into_iter() {
  for id in [format!("branches_{:?}_{:?}", i, j)].iter() {
  c.bench(
  "block_chain_branch",
  