//! Print the compute fabric as seen from this process:
//! detected local silicon + credential-reachable remote
//! members, then a few sample placements.
//!
//! ```bash
//! cargo run --release -p jouleclaw-fabric --example discover
//! # with the infrastructure env loaded:
//! set -a; source path/to/.env; set +a
//! cargo run --release -p jouleclaw-fabric --example discover
//! ```

use jouleclaw_fabric::{place, Fabric, OpClass, OpDesc};

fn main() {
    let fabric = Fabric::discover();
    println!("compute fabric, as seen from this process:\n");
    for m in &fabric.members {
        println!(
            "  {:<16} {:?}/{:?}  presence={:?}  parity={:?}",
            m.id, m.class, m.locality, m.presence, m.parity,
        );
        println!("  {:<16} {}", "", m.detail);
    }
    let serving: Vec<&str> = fabric.serving().map(|m| m.id.as_str()).collect();
    println!("\nserving now (detected + local + certified): {serving:?}\n");

    println!("sample placements:");
    for (label, op) in [
        ("decode expert matmul (m=1, 4 MFLOP)",
            OpDesc { class: OpClass::MatMul, flops: 4e6, m: 1 }),
        ("prefill projection  (m=32, 1 GFLOP)",
            OpDesc { class: OpClass::MatMul, flops: 1e9, m: 32 }),
        ("lm_head             (m=1, 450 MFLOP)",
            OpDesc { class: OpClass::MatMul, flops: 4.5e8, m: 1 }),
        ("SSD recurrence      (1 GFLOP, sequential)",
            OpDesc { class: OpClass::Recurrence, flops: 1e9, m: 1 }),
    ] {
        let p = place(&fabric, &op);
        println!("  {label:<44} → {}", p.because);
    }
}