gaspersic/solana
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Rename solana-runtime to sealevel (#6239)

Browse Source 
automerge
This commit is contained in:
Greg Fitzgerald
2019-10-04 16:02:44 -06:00
committed by Grimes
parent 5617162cb6
commit 2e921437cd
38 changed files with 135 additions and 106 deletions
Download Patch File Download Diff File Expand all files Collapse all files

100
runtime/benches/bloom.rs
View File

@ -1,100 +0,0 @@
#![feature(test)]
extern crate test;
use bv::BitVec;
use fnv::FnvHasher;
use solana_runtime::bloom::{Bloom, BloomHashIndex};
use solana_sdk::hash::{hash, Hash};
use solana_sdk::signature::Signature;
use std::collections::HashSet;
use std::hash::Hasher;
use test::Bencher;
#[bench]
#[ignore]
fn bench_bits_set(bencher: &mut Bencher) {
let mut bits: BitVec<u8> = BitVec::new_fill(false, 38_340_234 as u64);
let mut hasher = FnvHasher::default();
bencher.iter(|| {
let idx = hasher.finish() % bits.len();
bits.set(idx, true);
hasher.write_u64(idx);
});
// subtract the next bencher result from this one to get a number for raw
// bits.set()
}
#[bench]
#[ignore]
fn bench_bits_set_hasher(bencher: &mut Bencher) {
let bits: BitVec<u8> = BitVec::new_fill(false, 38_340_234 as u64);
let mut hasher = FnvHasher::default();
bencher.iter(|| {
let idx = hasher.finish() % bits.len();
hasher.write_u64(idx);
});
}
#[bench]
#[ignore]
fn bench_sigs_bloom(bencher: &mut Bencher) {
// 1M TPS * 1s (length of block in sigs) == 1M items in filter
// 1.0E-8 false positive rate
// https://hur.st/bloomfilter/?n=1000000&p=1.0E-8&m=&k=
let blockhash = hash(Hash::default().as_ref());
// info!("blockhash = {:?}", blockhash);
let keys = (0..27)
.into_iter()
.map(|i| blockhash.hash_at_index(i))
.collect();
let mut sigs: Bloom<Signature> = Bloom::new(38_340_234, keys);
let mut id = blockhash;
let mut falses = 0;
let mut iterations = 0;
bencher.iter(|| {
id = hash(id.as_ref());
let mut sigbytes = Vec::from(id.as_ref());
id = hash(id.as_ref());
sigbytes.extend(id.as_ref());
let sig = Signature::new(&sigbytes);
if sigs.contains(&sig) {
falses += 1;
}
sigs.add(&sig);
sigs.contains(&sig);
iterations += 1;
});
assert_eq!(falses, 0);
}
#[bench]
#[ignore]
fn bench_sigs_hashmap(bencher: &mut Bencher) {
// same structure as above, new
let blockhash = hash(Hash::default().as_ref());
// info!("blockhash = {:?}", blockhash);
let mut sigs: HashSet<Signature> = HashSet::new();
let mut id = blockhash;
let mut falses = 0;
let mut iterations = 0;
bencher.iter(|| {
id = hash(id.as_ref());
let mut sigbytes = Vec::from(id.as_ref());
id = hash(id.as_ref());
sigbytes.extend(id.as_ref());
let sig = Signature::new(&sigbytes);
if sigs.contains(&sig) {
falses += 1;
}
sigs.insert(sig);
sigs.contains(&sig);
iterations += 1;
});
assert_eq!(falses, 0);
}