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Remove redundant threadpools in sigverify (#7888)

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* Limit the number of thread pools sigverify creates

* Name local threadpools
This commit is contained in:
Sagar Dhawan
2020-01-20 20:08:19 -08:00
committed by GitHub
parent 1fe11e9ae2
commit 2dd8ab197d
9 changed files with 84 additions and 82 deletions
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25
perf/src/sigverify.rs
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@@ -18,14 +18,15 @@ use solana_sdk::short_vec::decode_len;
use solana_sdk::signature::Signature;
#[cfg(test)]
use solana_sdk::transaction::Transaction;
use std::cell::RefCell;
use std::mem::size_of;
thread_local!(static PAR_THREAD_POOL: RefCell<ThreadPool> = RefCell::new(rayon::ThreadPoolBuilder::new()
.num_threads(get_thread_count())
.thread_name(|ix| format!("sigverify_{}", ix))
.build()
.unwrap()));
lazy_static! {
static ref PAR_THREAD_POOL: ThreadPool = rayon::ThreadPoolBuilder::new()
.num_threads(get_thread_count())
.thread_name(|ix| format!("sigverify_{}", ix))
.build()
.unwrap();
}
pub type TxOffset = PinnedVec<u32>;
@@ -247,13 +248,11 @@ pub fn ed25519_verify_cpu(batches: &[Packets]) -> Vec<Vec<u8>> {
use rayon::prelude::*;
let count = batch_size(batches);
debug!("CPU ECDSA for {}", batch_size(batches));
let rv = PAR_THREAD_POOL.with(|thread_pool| {
thread_pool.borrow().install(|| {
batches
.into_par_iter()
.map(|p| p.packets.par_iter().map(verify_packet).collect())
.collect()
})
let rv = PAR_THREAD_POOL.install(|| {
batches
.into_par_iter()
.map(|p| p.packets.par_iter().map(verify_packet).collect())
.collect()
});
inc_new_counter_debug!("ed25519_verify_cpu", count);
rv