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message_processor.rs
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message_processor.rs
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#![feature(test)]
extern crate test;
use {
log::*,
solana_runtime::message_processor::PreAccount,
solana_sdk::{
account::AccountSharedData, execute_timings::ExecuteDetailsTimings, pubkey, rent::Rent,
},
test::Bencher,
};
#[bench]
fn bench_verify_account_changes_data(bencher: &mut Bencher) {
solana_logger::setup();
let owner = pubkey::new_rand();
let non_owner = pubkey::new_rand();
let pre = PreAccount::new(
&pubkey::new_rand(),
&AccountSharedData::new(0, BUFSIZE, &owner),
);
let post = AccountSharedData::new(0, BUFSIZE, &owner);
assert_eq!(
pre.verify(
&owner,
false,
&Rent::default(),
&post,
&mut ExecuteDetailsTimings::default(),
false,
true,
),
Ok(())
);
// this one should be faster
bencher.iter(|| {
pre.verify(
&owner,
false,
&Rent::default(),
&post,
&mut ExecuteDetailsTimings::default(),
false,
true,
)
.unwrap();
});
let summary = bencher.bench(|_bencher| {}).unwrap();
info!("data no change by owner: {} ns/iter", summary.median);
let pre_data = vec![BUFSIZE];
let post_data = vec![BUFSIZE];
bencher.iter(|| pre_data == post_data);
let summary = bencher.bench(|_bencher| {}).unwrap();
info!("data compare {} ns/iter", summary.median);
let pre = PreAccount::new(
&pubkey::new_rand(),
&AccountSharedData::new(0, BUFSIZE, &owner),
);
bencher.iter(|| {
pre.verify(
&non_owner,
false,
&Rent::default(),
&post,
&mut ExecuteDetailsTimings::default(),
false,
true,
)
.unwrap();
});
let summary = bencher.bench(|_bencher| {}).unwrap();
info!("data no change by non owner: {} ns/iter", summary.median);
}
const BUFSIZE: usize = 1024 * 1024 + 127;
static BUF0: [u8; BUFSIZE] = [0; BUFSIZE];
static BUF1: [u8; BUFSIZE] = [1; BUFSIZE];
#[bench]
fn bench_is_zeroed(bencher: &mut Bencher) {
bencher.iter(|| {
PreAccount::is_zeroed(&BUF0);
});
}
#[bench]
fn bench_is_zeroed_not(bencher: &mut Bencher) {
bencher.iter(|| {
PreAccount::is_zeroed(&BUF1);
});
}
#[bench]
fn bench_is_zeroed_by_iter(bencher: &mut Bencher) {
bencher.iter(|| BUF0.iter().all(|item| *item == 0));
}
#[bench]
fn bench_is_zeroed_not_by_iter(bencher: &mut Bencher) {
bencher.iter(|| BUF1.iter().all(|item| *item == 0));
}