mirror of
https://github.com/tursodatabase/limbo.git
synced 2025-07-07 20:45:01 +00:00
add a benchmark for connection time versus number of tables
SQLite performs poorly for connections as the number of tables increase. Do we perform better? the same? worse? Right now the answer is worse. Add a benchmark to help us compare.
This commit is contained in:
Glauber Costa
parent
badbfd82f5
commit
471a95bd96
18 changed files with 2477 additions and 0 deletions
10
perf/connection/README.md
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10
perf/connection/README.md
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# Connection benchmarks
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Run the following in `rusqlite` and `limbo` directories:
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```
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./gen-databases
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./run-benchmark.sh
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```
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This benchmark tests the time it takes to open a connection to databases with varying numbers of tables (1,000, 10,000, and 100,000 tables).
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48
perf/connection/gen-database.py
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48
perf/connection/gen-database.py
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#!/usr/bin/env python3
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"""Generate SQLite databases with specified number of tables for benchmarking."""
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import argparse
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import sqlite3
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def main() -> None:
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"""Generate database with specified number of tables."""
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parser = argparse.ArgumentParser()
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parser.add_argument("filename")
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parser.add_argument("-t", "--tables", type=int, help="Number of tables to create")
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args = parser.parse_args()
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conn = sqlite3.connect(args.filename)
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cursor = conn.cursor()
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# Enable WAL mode
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cursor.execute("PRAGMA journal_mode=WAL")
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# Create the specified number of tables
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for i in range(args.tables):
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table_name = f"table_{i}"
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cursor.execute(f"""
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CREATE TABLE IF NOT EXISTS {table_name} (
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id INTEGER PRIMARY KEY,
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name TEXT,
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value INTEGER,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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)
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""")
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# Insert a small amount of data in each table for realism
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cursor.execute(
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f"INSERT INTO {table_name} (name, value) VALUES (?, ?)",
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(f"item_{i}", i),
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)
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print(f"Created {args.tables} tables in {args.filename}")
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conn.commit()
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conn.close()
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if __name__ == "__main__":
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main()
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11
perf/connection/gen-databases
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11
perf/connection/gen-databases
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#!/bin/bash
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echo "Generating databases with different table counts..."
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# Create databases with 1,000, 5,000, and 10,000 tables
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python3 gen-database.py database_10.db -t 10
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python3 gen-database.py database_1k.db -t 1000
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python3 gen-database.py database_5k.db -t 5000
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python3 gen-database.py database_10k.db -t 10000
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echo "Database generation complete."
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1733
perf/connection/limbo/Cargo.lock
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1733
perf/connection/limbo/Cargo.lock
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perf/connection/limbo/Cargo.toml
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perf/connection/limbo/Cargo.toml
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[package]
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name = "limbo-connection-benchmark"
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version = "0.1.0"
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edition = "2021"
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[dependencies]
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clap = { version = "4.5", features = ["derive"] }
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env_logger = "0.11.0"
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hdrhistogram = "7.5.2"
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turso_core = { path = "../../../core" }
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[profile.release]
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debug = true
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[workspace]
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1
perf/connection/limbo/gen-database.py
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1
perf/connection/limbo/gen-database.py
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../gen-database.py
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1
perf/connection/limbo/gen-databases
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1
perf/connection/limbo/gen-databases
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../gen-databases
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1
perf/connection/limbo/plot.py
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1
perf/connection/limbo/plot.py
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../plot.py
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17
perf/connection/limbo/run-benchmark.sh
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17
perf/connection/limbo/run-benchmark.sh
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#!/bin/bash
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echo "Building benchmark..."
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cargo build --release
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echo "Running connection benchmarks..."
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echo "database,iterations,p50,p90,p95,p99,p999,p9999,p99999" > results.csv
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# Test each database with different table counts
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for db in database_10.db database_1k.db database_5k.db database_10k.db
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do
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echo "Testing $db..."
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./target/release/limbo-connection-benchmark $db --iterations 1000 | tail -1 >> results.csv
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done
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echo "Results written to results.csv"
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cat results.csv
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56
perf/connection/limbo/src/main.rs
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perf/connection/limbo/src/main.rs
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use clap::Parser;
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use hdrhistogram::Histogram;
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use std::{
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sync::Arc,
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time::Instant,
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};
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use turso_core::{Database, PlatformIO};
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#[derive(Parser)]
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struct Opts {
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database: String,
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#[arg(short, long, default_value = "100")]
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iterations: usize,
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}
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fn main() {
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env_logger::init();
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let opts = Opts::parse();
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let mut hist = Histogram::<u64>::new(2).unwrap();
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let io = Arc::new(PlatformIO::new().unwrap());
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println!("Testing connection performance with database: {}", opts.database);
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for i in 0..opts.iterations {
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let start = Instant::now();
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// Open connection to database and prepare a statement
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let db = Database::open_file(io.clone(), &opts.database, false, false).unwrap();
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let conn = db.connect().unwrap();
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let _stmt = conn.prepare("SELECT name FROM table_0 WHERE id = ?").unwrap();
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let elapsed = start.elapsed();
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hist.record(elapsed.as_nanos() as u64).unwrap();
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if (i + 1) % 10 == 0 {
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println!("Completed {} iterations", i + 1);
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}
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}
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// Extract database name and table count for CSV output
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let db_name = opts.database.replace(".db", "").replace("database_", "");
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println!("database,iterations,p50,p90,p95,p99,p999,p9999,p99999");
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println!(
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"{},{},{},{},{},{},{},{},{}",
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db_name,
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opts.iterations,
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hist.value_at_quantile(0.5),
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hist.value_at_quantile(0.90),
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hist.value_at_quantile(0.95),
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hist.value_at_quantile(0.99),
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hist.value_at_quantile(0.999),
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hist.value_at_quantile(0.9999),
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hist.value_at_quantile(0.99999)
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);
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}
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55
perf/connection/plot.py
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55
perf/connection/plot.py
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#!/usr/bin/env python3
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"""Plot connection benchmark results from CSV data."""
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import csv
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import sys
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import matplotlib.pyplot as plt
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def main() -> None:
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"""Plot benchmark results from CSV file."""
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if len(sys.argv) != 2:
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print("Usage: python3 plot.py <results.csv>")
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sys.exit(1)
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# Read the CSV file
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databases = []
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p50 = []
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p95 = []
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p99 = []
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with open(sys.argv[1]) as file:
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reader = csv.DictReader(file)
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for row in reader:
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databases.append(row["database"])
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p50.append(int(row["p50"]))
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p95.append(int(row["p95"]))
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p99.append(int(row["p99"]))
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x = range(len(databases))
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width = 0.25
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plt.figure(figsize=(12, 8))
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plt.bar([i - width for i in x], p50, width, label="p50", alpha=0.8)
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plt.bar([i for i in x], p95, width, label="p95", alpha=0.8)
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plt.bar([i + width for i in x], p99, width, label="p99", alpha=0.8)
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plt.xlabel("Database (Number of Tables)")
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plt.ylabel("Connection Time (nanoseconds)")
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plt.title("Database Connection Performance by Table Count")
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plt.xticks(x, databases)
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plt.legend()
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plt.yscale("log") # Use log scale for better visualization
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plt.grid(True, alpha=0.3)
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plt.tight_layout()
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plt.savefig("connection_benchmark.png", dpi=300, bbox_inches="tight")
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plt.show()
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print("Chart saved as connection_benchmark.png")
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if __name__ == "__main__":
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main()
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448
perf/connection/rusqlite/Cargo.lock
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448
perf/connection/rusqlite/Cargo.lock
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 4
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[[package]]
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name = "adler2"
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version = "2.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
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|
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[[package]]
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||||
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||||
"anstyle-parse",
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||||
"anstyle-query",
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"anstyle-wincon",
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"colorchoice",
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"is_terminal_polyfill",
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]
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||||
dependencies = [
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||||
"utf8parse",
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||||
]
|
||||
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||||
[[package]]
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||||
name = "anstyle-query"
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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|
||||
"once_cell_polyfill",
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"windows-sys",
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]
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[[package]]
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||||
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[[package]]
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||||
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||||
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||||
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[[package]]
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name = "byteorder"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
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[[package]]
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|
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|
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||||
[[package]]
|
||||
name = "clap"
|
||||
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "40b6887a1d8685cebccf115538db5c0efe625ccac9696ad45c409d96566e910f"
|
||||
dependencies = [
|
||||
"clap_builder",
|
||||
"clap_derive",
|
||||
]
|
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|
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[[package]]
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name = "clap_builder"
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"anstream",
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||||
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||||
"clap_lex",
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||||
"strsim",
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||||
]
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||||
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||||
[[package]]
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||||
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||||
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|
||||
"heck",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
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|
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[[package]]
|
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||||
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||||
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||||
[[package]]
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||||
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||||
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|
||||
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|
||||
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||||
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||||
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||||
name = "crossbeam-channel"
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||||
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||||
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||||
dependencies = [
|
||||
"crossbeam-utils",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "crossbeam-utils"
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||||
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||||
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||||
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||||
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||||
[[package]]
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||||
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||||
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||||
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|
||||
|
||||
[[package]]
|
||||
name = "fallible-streaming-iterator"
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||||
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||||
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|
||||
|
||||
[[package]]
|
||||
name = "flate2"
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||||
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||||
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||||
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|
||||
dependencies = [
|
||||
"crc32fast",
|
||||
"miniz_oxide",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "foldhash"
|
||||
version = "0.1.5"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
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||||
checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
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||||
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||||
[[package]]
|
||||
name = "hashbrown"
|
||||
version = "0.15.4"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5971ac85611da7067dbfcabef3c70ebb5606018acd9e2a3903a0da507521e0d5"
|
||||
dependencies = [
|
||||
"foldhash",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hashlink"
|
||||
version = "0.10.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7382cf6263419f2d8df38c55d7da83da5c18aef87fc7a7fc1fb1e344edfe14c1"
|
||||
dependencies = [
|
||||
"hashbrown",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "hdrhistogram"
|
||||
version = "7.5.4"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "765c9198f173dd59ce26ff9f95ef0aafd0a0fe01fb9d72841bc5066a4c06511d"
|
||||
dependencies = [
|
||||
"base64",
|
||||
"byteorder",
|
||||
"crossbeam-channel",
|
||||
"flate2",
|
||||
"nom",
|
||||
"num-traits",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "heck"
|
||||
version = "0.5.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
|
||||
|
||||
[[package]]
|
||||
name = "is_terminal_polyfill"
|
||||
version = "1.70.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf"
|
||||
|
||||
[[package]]
|
||||
name = "libsqlite3-sys"
|
||||
version = "0.32.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fbb8270bb4060bd76c6e96f20c52d80620f1d82a3470885694e41e0f81ef6fe7"
|
||||
dependencies = [
|
||||
"pkg-config",
|
||||
"vcpkg",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "memchr"
|
||||
version = "2.7.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "32a282da65faaf38286cf3be983213fcf1d2e2a58700e808f83f4ea9a4804bc0"
|
||||
|
||||
[[package]]
|
||||
name = "minimal-lexical"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
|
||||
|
||||
[[package]]
|
||||
name = "miniz_oxide"
|
||||
version = "0.8.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
|
||||
dependencies = [
|
||||
"adler2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "nom"
|
||||
version = "7.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
"minimal-lexical",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "num-traits"
|
||||
version = "0.2.19"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
|
||||
dependencies = [
|
||||
"autocfg",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "once_cell_polyfill"
|
||||
version = "1.70.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a4895175b425cb1f87721b59f0f286c2092bd4af812243672510e1ac53e2e0ad"
|
||||
|
||||
[[package]]
|
||||
name = "pkg-config"
|
||||
version = "0.3.32"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
|
||||
|
||||
[[package]]
|
||||
name = "proc-macro2"
|
||||
version = "1.0.95"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778"
|
||||
dependencies = [
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "quote"
|
||||
version = "1.0.40"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rusqlite"
|
||||
version = "0.34.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "37e34486da88d8e051c7c0e23c3f15fd806ea8546260aa2fec247e97242ec143"
|
||||
dependencies = [
|
||||
"bitflags",
|
||||
"fallible-iterator",
|
||||
"fallible-streaming-iterator",
|
||||
"hashlink",
|
||||
"libsqlite3-sys",
|
||||
"smallvec",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "rusqlite-connection-benchmark"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"clap",
|
||||
"hdrhistogram",
|
||||
"rusqlite",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "smallvec"
|
||||
version = "1.15.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
|
||||
|
||||
[[package]]
|
||||
name = "strsim"
|
||||
version = "0.11.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
|
||||
|
||||
[[package]]
|
||||
name = "syn"
|
||||
version = "2.0.104"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"unicode-ident",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-ident"
|
||||
version = "1.0.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
|
||||
|
||||
[[package]]
|
||||
name = "utf8parse"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
|
||||
|
||||
[[package]]
|
||||
name = "vcpkg"
|
||||
version = "0.2.15"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
|
||||
|
||||
[[package]]
|
||||
name = "windows-sys"
|
||||
version = "0.59.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b"
|
||||
dependencies = [
|
||||
"windows-targets",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows-targets"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
|
||||
dependencies = [
|
||||
"windows_aarch64_gnullvm",
|
||||
"windows_aarch64_msvc",
|
||||
"windows_i686_gnu",
|
||||
"windows_i686_gnullvm",
|
||||
"windows_i686_msvc",
|
||||
"windows_x86_64_gnu",
|
||||
"windows_x86_64_gnullvm",
|
||||
"windows_x86_64_msvc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
|
||||
|
||||
[[package]]
|
||||
name = "windows_aarch64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_i686_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnu"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_gnullvm"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
|
||||
|
||||
[[package]]
|
||||
name = "windows_x86_64_msvc"
|
||||
version = "0.52.6"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
|
||||
11
perf/connection/rusqlite/Cargo.toml
Normal file
11
perf/connection/rusqlite/Cargo.toml
Normal file
|
|
@ -0,0 +1,11 @@
|
|||
[package]
|
||||
name = "rusqlite-connection-benchmark"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
|
||||
[dependencies]
|
||||
clap = { version = "4.5", features = ["derive"] }
|
||||
hdrhistogram = "7.5.2"
|
||||
rusqlite = "0.34.0"
|
||||
|
||||
[workspace]
|
||||
1
perf/connection/rusqlite/gen-database.py
Symbolic link
1
perf/connection/rusqlite/gen-database.py
Symbolic link
|
|
@ -0,0 +1 @@
|
|||
../gen-database.py
|
||||
1
perf/connection/rusqlite/gen-databases
Symbolic link
1
perf/connection/rusqlite/gen-databases
Symbolic link
|
|
@ -0,0 +1 @@
|
|||
../gen-databases
|
||||
1
perf/connection/rusqlite/plot.py
Symbolic link
1
perf/connection/rusqlite/plot.py
Symbolic link
|
|
@ -0,0 +1 @@
|
|||
../plot.py
|
||||
17
perf/connection/rusqlite/run-benchmark.sh
Executable file
17
perf/connection/rusqlite/run-benchmark.sh
Executable file
|
|
@ -0,0 +1,17 @@
|
|||
#!/bin/bash
|
||||
|
||||
echo "Building benchmark..."
|
||||
cargo build --release
|
||||
|
||||
echo "Running connection benchmarks..."
|
||||
echo "database,iterations,p50,p90,p95,p99,p999,p9999,p99999" > results.csv
|
||||
|
||||
# Test each database with different table counts
|
||||
for db in database_10.db database_1k.db database_5k.db database_10k.db
|
||||
do
|
||||
echo "Testing $db..."
|
||||
./target/release/rusqlite-connection-benchmark $db --iterations 1000 | tail -1 >> results.csv
|
||||
done
|
||||
|
||||
echo "Results written to results.csv"
|
||||
cat results.csv
|
||||
50
perf/connection/rusqlite/src/main.rs
Normal file
50
perf/connection/rusqlite/src/main.rs
Normal file
|
|
@ -0,0 +1,50 @@
|
|||
use clap::Parser;
|
||||
use hdrhistogram::Histogram;
|
||||
use rusqlite::Connection;
|
||||
use std::time::Instant;
|
||||
|
||||
#[derive(Parser)]
|
||||
struct Opts {
|
||||
database: String,
|
||||
#[arg(short, long, default_value = "100")]
|
||||
iterations: usize,
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let opts = Opts::parse();
|
||||
let mut hist = Histogram::<u64>::new(2).unwrap();
|
||||
|
||||
println!("Testing connection performance with database: {}", opts.database);
|
||||
|
||||
for i in 0..opts.iterations {
|
||||
let start = Instant::now();
|
||||
|
||||
// Open connection to database and prepare a statement
|
||||
let conn = Connection::open(&opts.database).unwrap();
|
||||
let _stmt = conn.prepare("SELECT name FROM table_0 WHERE id = ?").unwrap();
|
||||
|
||||
let elapsed = start.elapsed();
|
||||
hist.record(elapsed.as_nanos() as u64).unwrap();
|
||||
|
||||
if (i + 1) % 10 == 0 {
|
||||
println!("Completed {} iterations", i + 1);
|
||||
}
|
||||
}
|
||||
|
||||
// Extract database name and table count for CSV output
|
||||
let db_name = opts.database.replace(".db", "").replace("database_", "");
|
||||
|
||||
println!("database,iterations,p50,p90,p95,p99,p999,p9999,p99999");
|
||||
println!(
|
||||
"{},{},{},{},{},{},{},{},{}",
|
||||
db_name,
|
||||
opts.iterations,
|
||||
hist.value_at_quantile(0.5),
|
||||
hist.value_at_quantile(0.90),
|
||||
hist.value_at_quantile(0.95),
|
||||
hist.value_at_quantile(0.99),
|
||||
hist.value_at_quantile(0.999),
|
||||
hist.value_at_quantile(0.9999),
|
||||
hist.value_at_quantile(0.99999)
|
||||
);
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue