Skip to content
This repository has been archived by the owner on Jan 22, 2025. It is now read-only.

solana-keygen grind: Use all cores #8908

Merged
merged 1 commit into from
Mar 24, 2020
Merged

solana-keygen grind: Use all cores #8908

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
112 changes: 60 additions & 52 deletions keygen/src/keygen.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -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)) => {
Expand Down