85 lines
2.1 KiB
Rust
85 lines
2.1 KiB
Rust
#![allow(clippy::arithmetic_side_effects)]
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#![feature(test)]
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extern crate test;
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use {
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rand::prelude::*,
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solana_perf::{
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packet::{to_packet_batches, PacketBatch, PACKETS_PER_BATCH},
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sigverify,
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},
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test::Bencher,
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};
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const NUM_PACKETS: usize = 1024 * 4;
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fn test_packet_with_size(size: usize, rng: &mut ThreadRng) -> Vec<u8> {
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// subtract 8 bytes because the length will get serialized as well
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(0..size.checked_sub(8).unwrap())
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.map(|_| rng.gen())
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.collect()
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}
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fn do_bench_shrink_packets(bencher: &mut Bencher, mut batches: Vec<PacketBatch>) {
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// verify packets
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bencher.iter(|| {
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sigverify::shrink_batches(&mut batches);
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batches.iter_mut().for_each(|b| {
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b.iter_mut()
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.for_each(|p| p.meta_mut().set_discard(thread_rng().gen()))
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});
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});
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}
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#[bench]
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#[ignore]
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fn bench_shrink_diff_small_packets(bencher: &mut Bencher) {
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let mut rng = rand::thread_rng();
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let batches = to_packet_batches(
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&(0..NUM_PACKETS)
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.map(|_| test_packet_with_size(128, &mut rng))
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.collect::<Vec<_>>(),
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PACKETS_PER_BATCH,
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);
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do_bench_shrink_packets(bencher, batches);
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}
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#[bench]
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#[ignore]
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fn bench_shrink_diff_big_packets(bencher: &mut Bencher) {
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let mut rng = rand::thread_rng();
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let batches = to_packet_batches(
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&(0..NUM_PACKETS)
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.map(|_| test_packet_with_size(1024, &mut rng))
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.collect::<Vec<_>>(),
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PACKETS_PER_BATCH,
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);
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do_bench_shrink_packets(bencher, batches);
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}
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#[bench]
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#[ignore]
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fn bench_shrink_count_packets(bencher: &mut Bencher) {
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let mut rng = rand::thread_rng();
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let mut batches = to_packet_batches(
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&(0..NUM_PACKETS)
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.map(|_| test_packet_with_size(128, &mut rng))
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.collect::<Vec<_>>(),
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PACKETS_PER_BATCH,
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);
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batches.iter_mut().for_each(|b| {
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b.iter_mut()
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.for_each(|p| p.meta_mut().set_discard(thread_rng().gen()))
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});
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bencher.iter(|| {
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let _ = sigverify::count_valid_packets(&batches, |_| ());
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});
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}
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