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solana-with-rpc-optimizations
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Fix unrealistic hash rate expectations in genesis (#6295)

This commit is contained in:
Sagar Dhawan 2019-10-09 15:47:48 -07:00 committed by GitHub
parent 72d227ae91
commit de82e60c64
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3 changed files with 16 additions and 5 deletions
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2
Cargo.lock generated
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@ -3426,6 +3426,7 @@ dependencies = [
"base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
"bincode 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
"rayon 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_derive 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
@ -3436,6 +3437,7 @@ dependencies = [
"solana-stake-api 0.20.0",
"solana-storage-api 0.20.0",
"solana-vote-api 0.20.0",
"sys-info 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)",
"tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
]

2
genesis/Cargo.toml
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@ -23,3 +23,5 @@ solana-stake-api = { path = "../programs/stake_api", version = "0.20.0" }
solana-storage-api = { path = "../programs/storage_api", version = "0.20.0" }
solana-vote-api = { path = "../programs/vote_api", version = "0.20.0" }
tempfile = "3.1.0"
sys-info = "0.5.8"
rayon = "1.2.0"

17
genesis/src/main.rs
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@ -2,6 +2,7 @@
use base64;
use clap::{crate_description, crate_name, crate_version, value_t_or_exit, App, Arg};
use rayon::iter::{IntoParallelIterator, ParallelIterator};
use solana_core::blocktree::create_new_ledger;
use solana_genesis::PrimordialAccountDetails;
use solana_sdk::{
@ -376,12 +377,18 @@ fn main() -> Result<(), Box<dyn error::Error>> {
match matches.value_of("hashes_per_tick").unwrap() {
"auto" => {
let mut v = Hash::default();
println!("Running 1 million hashes...");
let v = Hash::default();
// calculate hash rate with the system under maximum load
println!("Running 1 million hashes in parallel on all threads...");
let start = Instant::now();
for _ in 0..1_000_000 {
v = hash(&v.as_ref());
}
(0..sys_info::cpu_num().unwrap())
.into_par_iter()
.for_each_with(v, |v, _| {
for _ in 0..1_000_000 {
*v = hash(&v.as_ref());
}
});
let end = Instant::now();
let elapsed = end.duration_since(start).as_millis();