ringcore 0.1.0

A minimal async runtime built on Linux io_uring, designed to expose how Rust futures map to kernel I/O.
Documentation 
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use tokio::fs::File;
use tokio::io::AsyncWriteExt;
use std::time::Instant;

#[tokio::main]
async fn main() -> std::io::Result<()> {
    let mut file = File::create("tokio_app.log").await?;
    
    let line1 = "INFO: Starting application\n";
    let line2 = "DEBUG: Initializing ringcore runtime\n";
    let line3 = "WARN: No config file found, using defaults\n";
    
    let start = Instant::now();
    for _ in 0..1000 {
        // Tokio doesn't have a direct equivalent to writev that is as efficient as io_uring's
        // write_vectored on tokio File usually just calls a thread pool.
        file.write_all(line1.as_bytes()).await?;
        file.write_all(line2.as_bytes()).await?;
        file.write_all(line3.as_bytes()).await?;
    }
    file.flush().await?;
    
    println!("Tokio logger: 1000 batches in {:?}", start.elapsed());
    Ok(())
}