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Add poh speed check and tick speed calibration (#14292)

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This commit is contained in:
sakridge
2020-12-29 09:35:57 -08:00
committed by GitHub
parent 444ed768dc
commit 2074e407cd
5 changed files with 130 additions and 17 deletions
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14
ledger/src/poh.rs
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@ -82,18 +82,18 @@ impl Poh {
}
}
pub fn compute_hashes_per_tick(duration: Duration, hashes_sample_size: u64) -> u64 {
// calculate hash rate with the system under maximum load
info!(
"Running {} hashes in parallel on all threads...",
hashes_sample_size
);
pub fn compute_hash_time_ns(hashes_sample_size: u64) -> u64 {
info!("Running {} hashes...", hashes_sample_size);
let mut v = Hash::default();
let start = Instant::now();
for _ in 0..hashes_sample_size {
v = hash(&v.as_ref());
}
let elapsed = start.elapsed().as_millis() as u64;
start.elapsed().as_nanos() as u64
}
pub fn compute_hashes_per_tick(duration: Duration, hashes_sample_size: u64) -> u64 {
let elapsed = compute_hash_time_ns(hashes_sample_size) / (1000 * 1000);
duration.as_millis() as u64 * hashes_sample_size / elapsed
}