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Feb 23, 2025
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Support benchmarking mmap feature #93

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22 changes: 18 additions & 4 deletions benches/lookup.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -27,29 +27,43 @@ pub fn generate_ipv4(count: u64) -> Vec<IpAddr> {
}

// Single-threaded
pub fn bench_maxminddb(ips: &[IpAddr], reader: &maxminddb::Reader<Vec<u8>>) {
pub fn bench_maxminddb<T>(ips: &[IpAddr], reader: &maxminddb::Reader<T>)
where
T: AsRef<[u8]>,
{
for ip in ips.iter() {
let _ = reader.lookup::<geoip2::City>(*ip);
}
}

// Using rayon for parallel execution
pub fn bench_par_maxminddb(ips: &[IpAddr], reader: &maxminddb::Reader<Vec<u8>>) {
pub fn bench_par_maxminddb<T>(ips: &[IpAddr], reader: &maxminddb::Reader<T>)
where
T: AsRef<[u8]> + std::marker::Sync,
{
ips.par_iter().for_each(|ip| {
let _ = reader.lookup::<geoip2::City>(*ip);
});
}

const DB_FILE: &str = "GeoLite2-City.mmdb";

pub fn criterion_benchmark(c: &mut Criterion) {
let ips = generate_ipv4(100);
let reader = maxminddb::Reader::open_readfile("GeoLite2-City.mmdb").unwrap();
#[cfg(not(feature = "mmap"))]
let reader = maxminddb::Reader::open_readfile(DB_FILE).unwrap();
#[cfg(feature = "mmap")]
let reader = maxminddb::Reader::open_mmap(DB_FILE).unwrap();

c.bench_function("maxminddb", |b| b.iter(|| bench_maxminddb(&ips, &reader)));
}

pub fn criterion_par_benchmark(c: &mut Criterion) {
let ips = generate_ipv4(100);
let reader = maxminddb::Reader::open_readfile("GeoLite2-City.mmdb").unwrap();
#[cfg(not(feature = "mmap"))]
let reader = maxminddb::Reader::open_readfile(DB_FILE).unwrap();
#[cfg(feature = "mmap")]
let reader = maxminddb::Reader::open_mmap(DB_FILE).unwrap();

c.bench_function("maxminddb_par", |b| {
b.iter(|| bench_par_maxminddb(&ips, &reader))
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