Local results:

```
     Running benches/accumulator_bench.rs (/Users/marklogan/dev/sui/target/release/deps/accumulator_bench-431472f3bc9213bf)
Gnuplot not found, using plotters backend
accumulator/accumulate_digests
                        time:   [7.9310 ms 7.9376 ms 7.9452 ms]
                        thrpt:  [125.86 Kelem/s 125.98 Kelem/s 126.09 Kelem/s]
                 change:
                        time:   [-0.0933% +0.0398% +0.1692%] (p = 0.57 > 0.05)
                        thrpt:  [-0.1690% -0.0398% +0.0934%]
                        No change in performance detected.
Found 5 outliers among 100 measurements (5.00%)
  3 (3.00%) high mild
  2 (2.00%) high severe

accumulator/sum_accumulators
                        time:   [126.01 ns 126.11 ns 126.23 ns]
                        thrpt:  [7.9223 Melem/s 7.9295 Melem/s 7.9360 Melem/s]
                 change:
                        time:   [-0.0320% +0.1883% +0.4147%] (p = 0.10 > 0.05)
                        thrpt:  [-0.4130% -0.1879% +0.0320%]
                        No change in performance detected.
Found 7 outliers among 100 measurements (7.00%)
  3 (3.00%) high mild
  4 (4.00%) high severe

cargo bench  36.99s user 1.70s system 148% cpu 26.112 total
```