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solana
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Use all cores (#8908)

This commit is contained in:
Michael Vines 2020-03-24 10:33:53 -07:00 committed by GitHub
parent 8f38bc7dc0
commit 1fd695d337
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 60 additions and 52 deletions
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112
keygen/src/keygen.rs
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@ -534,61 +534,69 @@ fn do_main(matches: &ArgMatches<'_>) -> Result<(), Box<dyn error::Error>> {
let start = Instant::now();
let done = Arc::new(AtomicBool::new(false));
for _ in 0..num_cpus::get() {
let done = done.clone();
let attempts = attempts.clone();
let found = found.clone();
let grind_matches_thread_safe = grind_matches_thread_safe.clone();
let thread_handles: Vec<_> = (0..num_cpus::get())
.map(|_| {
let done = done.clone();
let attempts = attempts.clone();
let found = found.clone();
let grind_matches_thread_safe = grind_matches_thread_safe.clone();
let handle = thread::spawn(move || loop {
if done.load(Ordering::Relaxed) {
break;
}
let attempts = attempts.fetch_add(1, Ordering::Relaxed);
if attempts % 1_000_000 == 0 {
println!(
"Searched {} keypairs in {}s. {} matches found.",
attempts,
start.elapsed().as_secs(),
found.load(Ordering::Relaxed),
);
}
let keypair = Keypair::new();
let mut pubkey = bs58::encode(keypair.pubkey()).into_string();
if ignore_case {
pubkey = pubkey.to_lowercase();
}
let mut total_matches_found = 0;
for i in 0..grind_matches_thread_safe.len() {
if grind_matches_thread_safe[i].count.load(Ordering::Relaxed) == 0 {
total_matches_found += 1;
continue;
thread::spawn(move || loop {
if done.load(Ordering::Relaxed) {
break;
}
if (!grind_matches_thread_safe[i].starts.is_empty()
&& grind_matches_thread_safe[i].ends.is_empty()
&& pubkey.starts_with(&grind_matches_thread_safe[i].starts))
|| (grind_matches_thread_safe[i].starts.is_empty()
&& !grind_matches_thread_safe[i].ends.is_empty()
&& pubkey.ends_with(&grind_matches_thread_safe[i].ends))
|| (!grind_matches_thread_safe[i].starts.is_empty()
&& !grind_matches_thread_safe[i].ends.is_empty()
&& pubkey.starts_with(&grind_matches_thread_safe[i].starts)
&& pubkey.ends_with(&grind_matches_thread_safe[i].ends))
{
let _found = found.fetch_add(1, Ordering::Relaxed);
grind_matches_thread_safe[i]
.count
.fetch_sub(1, Ordering::Relaxed);
println!("Wrote keypair to {}", &format!("{}.json", keypair.pubkey()));
write_keypair_file(&keypair, &format!("{}.json", keypair.pubkey()))
.unwrap();
let attempts = attempts.fetch_add(1, Ordering::Relaxed);
if attempts % 1_000_000 == 0 {
println!(
"Searched {} keypairs in {}s. {} matches found.",
attempts,
start.elapsed().as_secs(),
found.load(Ordering::Relaxed),
);
}
}
if total_matches_found == grind_matches_thread_safe.len() {
done.store(true, Ordering::Relaxed);
}
});
handle.join().unwrap();
let keypair = Keypair::new();
let mut pubkey = bs58::encode(keypair.pubkey()).into_string();
if ignore_case {
pubkey = pubkey.to_lowercase();
}
let mut total_matches_found = 0;
for i in 0..grind_matches_thread_safe.len() {
if grind_matches_thread_safe[i].count.load(Ordering::Relaxed) == 0 {
total_matches_found += 1;
continue;
}
if (!grind_matches_thread_safe[i].starts.is_empty()
&& grind_matches_thread_safe[i].ends.is_empty()
&& pubkey.starts_with(&grind_matches_thread_safe[i].starts))
|| (grind_matches_thread_safe[i].starts.is_empty()
&& !grind_matches_thread_safe[i].ends.is_empty()
&& pubkey.ends_with(&grind_matches_thread_safe[i].ends))
|| (!grind_matches_thread_safe[i].starts.is_empty()
&& !grind_matches_thread_safe[i].ends.is_empty()
&& pubkey.starts_with(&grind_matches_thread_safe[i].starts)
&& pubkey.ends_with(&grind_matches_thread_safe[i].ends))
{
let _found = found.fetch_add(1, Ordering::Relaxed);
grind_matches_thread_safe[i]
.count
.fetch_sub(1, Ordering::Relaxed);
println!(
"Wrote keypair to {}",
&format!("{}.json", keypair.pubkey())
);
write_keypair_file(&keypair, &format!("{}.json", keypair.pubkey()))
.unwrap();
}
}
if total_matches_found == grind_matches_thread_safe.len() {
done.store(true, Ordering::Relaxed);
}
})
})
.collect();
for thread_handle in thread_handles {
thread_handle.join().unwrap();
}
}
("verify", Some(matches)) => {