Add solana-program-runtime crate (#19438)

program-runtime/benches/instruction_processor.rs

@@ -0,0 +1,102 @@
+#![feature(test)]
+
+extern crate test;
+
+use log::*;
+use solana_program_runtime::{ExecuteDetailsTimings, PreAccount};
+use solana_sdk::{account::AccountSharedData, pubkey, rent::Rent};
+use 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));
+}