add benches/criterion/cuprate-blockchain

Cargo.lock

@@ -758,6 +758,21 @@ dependencies = [
 name = "cuprate-constants"
 version = "0.1.0"
 
+[[package]]
+name = "cuprate-criterion-blockchain"
+version = "0.0.0"
+dependencies = [
+ "criterion",
+ "cuprate-blockchain",
+ "cuprate-helper",
+ "cuprate-test-utils",
+ "cuprate-types",
+ "function_name",
+ "rand",
+ "serde_json",
+ "tempfile",
+]
+
 [[package]]
 name = "cuprate-criterion-example"
 version = "0.0.0"

Cargo.toml

@@ -9,6 +9,7 @@ members = [
 	"benches/benchmark/example",
 	"benches/criterion/example",
 	"benches/criterion/cuprate-json-rpc",
+	"benches/criterion/cuprate-blockchain",
 	# Consensus
 	"consensus",
 	"consensus/context",

benches/criterion/cuprate-blockchain/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name        = "cuprate-criterion-blockchain"
+version     = "0.0.0"
+edition     = "2021"
+description = "Criterion benchmarking for cuprate-blockchain"
+license     = "MIT"
+authors     = ["hinto-janai"]
+repository  = "https://github.com/Cuprate/cuprate/tree/main/benches/criterion/cuprate-blockchain"
+keywords    = ["cuprate", "blockchain", "criterion", "benchmark"]
+
+[dependencies]
+cuprate-blockchain = { path = "../../../storage/blockchain" }
+cuprate-test-utils = { path = "../../../test-utils" }
+cuprate-types      = { path = "../../../types", default-features = false }
+cuprate-helper     = { path = "../../../helper", features = ["cast"] }
+
+criterion     = { workspace = true }
+function_name = { workspace = true }
+serde_json    = { workspace = true, features = ["default"] }
+tempfile      = { workspace = true }
+rand          = { workspace = true }
+
+[[bench]]
+name    = "main"
+harness = false
+
+[lints]
+workspace = true

benches/criterion/cuprate-blockchain/benches/block.rs

@@ -0,0 +1,67 @@
+//! Benchmarks for [`block`] functions.
+
+#![allow(unused_attributes, unused_crate_dependencies)]
+
+use std::time::Instant;
+
+use criterion::{black_box, criterion_group, criterion_main, Criterion};
+use function_name::named;
+
+use cuprate_blockchain::{
+    cuprate_database::{Env, EnvInner},
+    ops::block,
+    tables::OpenTables,
+};
+use cuprate_test_utils::data::{BLOCK_V16_TX0, BLOCK_V1_TX2, BLOCK_V9_TX3};
+use cuprate_types::VerifiedBlockInformation;
+
+use cuprate_criterion_blockchain::generate_fake_blocks;
+
+criterion_group! {
+    name = benches;
+    config = Criterion::default();
+    targets =
+        add_block_v1_tx2,
+        add_block_v9_tx3,
+        add_block_v16_tx0,
+}
+criterion_main!(benches);
+
+/// Inner function for benchmarking [`block::add_block`].
+#[expect(clippy::significant_drop_tightening)]
+fn add_block_inner(c: &mut Criterion, function_name: &str, block: &VerifiedBlockInformation) {
+    let env = cuprate_criterion_blockchain::TmpEnv::new();
+
+    c.bench_function(function_name, |b| {
+        // We use `iter_custom` because we need to generate an
+        // appropriate amount of blocks and only time the `add_block`.
+        b.iter_custom(|count| {
+            let blocks = black_box(generate_fake_blocks(block, count));
+
+            let env_inner = env.env.env_inner();
+            let tx_rw = env_inner.tx_rw().unwrap();
+            let mut tables = env_inner.open_tables_mut(&tx_rw).unwrap();
+
+            let start = Instant::now();
+            for block in &blocks {
+                black_box(block::add_block(block, &mut tables)).unwrap();
+            }
+            start.elapsed()
+        });
+    });
+}
+
+#[named]
+fn add_block_v1_tx2(c: &mut Criterion) {
+    add_block_inner(c, function_name!(), &BLOCK_V1_TX2);
+}
+
+#[named]
+fn add_block_v9_tx3(c: &mut Criterion) {
+    add_block_inner(c, function_name!(), &BLOCK_V9_TX3);
+}
+
+#[named]
+fn add_block_v16_tx0(c: &mut Criterion) {
+    add_block_inner(c, function_name!(), &BLOCK_V16_TX0);
+}

benches/criterion/cuprate-blockchain/benches/main.rs

@@ -0,0 +1,7 @@
+#![allow(unused_crate_dependencies)]
+
+mod block;
+
+criterion::criterion_main! {
+    block::benches,
+}

benches/criterion/cuprate-blockchain/src/blocks.rs

@@ -0,0 +1,36 @@
+use rand::Rng;
+
+use cuprate_helper::cast::u64_to_usize;
+use cuprate_types::VerifiedBlockInformation;
+
+/// Generate fake [`VerifiedBlockInformation`]s.
+///
+/// This function generates fake blocks,
+/// cloning the `base` block `count` amount of times,
+/// starting at height `0` and sequentially incrementing,
+/// i.e. block height `{0,1,2,...}`.
+///
+/// Each block has a random [`VerifiedBlockInformation::block_hash`].
+///
+/// # Hack
+/// This is used for these benchmarks because
+/// [`cuprate_blockchain::ops::block::add_block`]
+/// asserts that blocks with non-sequential heights cannot be added.
+/// To get around this, we manually edit the block heights.
+///
+/// The hash must also be faked as
+/// [`cuprate_blockchain::ops::blockchain::chain_height`]
+/// which is used for an [`assert`] relies on the `hash -> height` table.
+pub fn generate_fake_blocks(
+    base: &VerifiedBlockInformation,
+    count: u64,
+) -> Vec<VerifiedBlockInformation> {
+    (0..count)
+        .map(|height| {
+            let mut block = base.clone();
+            block.height = u64_to_usize(height);
+            block.block_hash = rand::thread_rng().r#gen();
+            block
+        })
+        .collect()
+}

benches/criterion/cuprate-blockchain/src/lib.rs

@@ -0,0 +1,7 @@
+#![allow(unused_crate_dependencies, reason = "used in benchmarks")]
+
+mod tmp_env;
+mod blocks;
+
+pub use blocks::generate_fake_blocks;
+pub use tmp_env::TmpEnv;

benches/criterion/cuprate-blockchain/src/tmp_env.rs

@@ -0,0 +1,53 @@
+//! An [`Env`] inside a [`TempDir`].
+
+use tempfile::TempDir;
+
+use cuprate_blockchain::{
+    config::ReaderThreads,
+    cuprate_database::{config::ConfigBuilder, resize::PAGE_SIZE, ConcreteEnv, Env},
+};
+
+/// A temporary in-memory [`Env`].
+///
+/// This is a [`ConcreteEnv`] that uses [`TempDir`] as the
+/// backing file location - this is an in-memory file on Linux.
+pub struct TmpEnv {
+    pub env: ConcreteEnv,
+    pub tempdir: TempDir,
+}
+
+impl Default for TmpEnv {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl TmpEnv {
+    /// Create an `Env` in a temporary directory.
+    ///
+    /// The directory is automatically removed after the [`TempDir`] is dropped.
+    #[expect(clippy::missing_panics_doc)]
+    pub fn new() -> Self {
+        let tempdir = tempfile::tempdir().unwrap();
+        let path = tempdir.path().to_path_buf().into();
+        let db_config = ConfigBuilder::new(path).low_power().build();
+        let reader_threads = ReaderThreads::One;
+        let config = cuprate_blockchain::config::Config {
+            db_config,
+            reader_threads,
+        };
+        let env = cuprate_blockchain::open(config).unwrap();
+
+        // Resize to a very large map to prevent resize errors.
+        if ConcreteEnv::MANUAL_RESIZE {
+            // SAFETY: no write transactions exist yet.
+            unsafe {
+                env.env_inner()
+                    .resize(PAGE_SIZE.get() * 1024 * 1024 * 1024)
+                    .unwrap();
+            }
+        }
+
+        Self { env, tempdir }
+    }
+}