WIP parse and send 2M batched

batchtools/src/channeltest.rs

@@ -0,0 +1,45 @@
+use async_channel::Receiver;
+use async_channel::Sender;
+use std::time::Instant;
+
+#[test]
+fn prod_cons() {
+    let rt = taskrun::get_runtime();
+    rt.block_on(run());
+}
+
+async fn run() {
+    let n = 10_000_000;
+    let ts1 = Instant::now();
+    let (tx, rx) = async_channel::bounded(1000);
+    let mut jhs = Vec::new();
+    let jh = taskrun::spawn(consumer(rx.clone()));
+    jhs.push(jh);
+    let jh = taskrun::spawn(consumer(rx));
+    jhs.push(jh);
+    let jh = taskrun::spawn(producer(tx, n));
+    jhs.push(jh);
+    for jh in jhs {
+        jh.await.unwrap();
+    }
+    let ts2 = Instant::now();
+    let dt = ts2.duration_since(ts1);
+    eprintln!("dt {:.3} MHz", n as f32 / dt.as_secs_f32() * 1e-6);
+    panic!();
+}
+
+async fn producer(tx: Sender<Item>, n: u64) {
+    for i in 0..n {
+        let item = Item { x: i, y: i };
+        tx.send(item).await.unwrap();
+    }
+}
+
+async fn consumer(rx: Receiver<Item>) {
+    while let Ok(_x) = rx.recv().await {}
+}
+
+struct Item {
+    x: u64,
+    y: u64,
+}

batchtools/src/lib.rs

@@ -1 +1,3 @@
 pub mod batcher;
+#[cfg(test)]
+pub mod channeltest;