solana/merkle-root-bench/src/main.rs

66 lines
2.3 KiB
Rust

extern crate log;
use clap::{crate_description, crate_name, value_t, App, Arg};
use solana_measure::measure::Measure;
use solana_runtime::accounts_db::AccountsDB;
use solana_sdk::{hash::Hash, pubkey::Pubkey};
fn main() {
solana_logger::setup();
let matches = App::new(crate_name!())
.about(crate_description!())
.version(solana_version::version!())
.arg(
Arg::with_name("num_accounts")
.long("num_accounts")
.takes_value(true)
.value_name("NUM_ACCOUNTS")
.help("Total number of accounts"),
)
.arg(
Arg::with_name("iterations")
.long("iterations")
.takes_value(true)
.value_name("ITERATIONS")
.help("Number of bench iterations"),
)
.get_matches();
let num_accounts = value_t!(matches, "num_accounts", usize).unwrap_or(10_000);
let iterations = value_t!(matches, "iterations", usize).unwrap_or(20);
let mut elapsed: Vec<u64> = vec![0; iterations];
let mut elapsed_legacy: Vec<u64> = vec![0; iterations];
let hashes: Vec<_> = (0..num_accounts)
.map(|_| (Pubkey::new_unique(), Hash::new_unique(), 1))
.collect();
for x in 0..iterations {
let hashes = (hashes.clone(), hashes.clone()); // done outside timing
let mut time = Measure::start("compute_merkle_root_and_capitalization");
let fanout = 16;
let results = AccountsDB::compute_merkle_root_and_capitalization(hashes.0, fanout);
time.stop();
let mut time_legacy = Measure::start("hash");
let results_hash = AccountsDB::compute_merkle_root_legacy(hashes.1, fanout);
time_legacy.stop();
assert_eq!(results_hash, results.0);
elapsed[x] = time.as_us();
elapsed_legacy[x] = time_legacy.as_us();
}
let len = elapsed.len();
for x in 0..iterations {
println!(
"compute_merkle_root_and_capitalization(us),{},legacy(us),{}",
elapsed[x], elapsed_legacy[x]
);
}
println!(
"compute_merkle_root_and_capitalization(us) avg: {}",
elapsed.into_iter().sum::<u64>() as f64 / len as f64
);
println!(
"compute_merkle_root_legacy(us) avg: {}",
elapsed_legacy.into_iter().sum::<u64>() as f64 / len as f64
);
}