Streams

oxydsp-flowgraph/src/main.rs

@@ -1,4 +1,73 @@
+use std::time::Instant;
+
+use oxydsp_flowgraph::stream;
+
 fn main()
 {
-    println!("Hello, world!");
+    transfer_test();
+    return;
+    let (mut tx, mut rx) = stream::bounded_queue::<usize>(256);
+
+    std::thread::spawn(move || {
+        let mut i = 0;
+        loop
+        {
+            let mut writer = tx.write();
+            while writer.push(i).is_ok()
+            {
+                i += 1;
+                std::thread::yield_now();
+            }
+        }
+    });
+
+    loop
+    {
+        let mut reader = rx.read();
+        let len = reader.len();
+        while let Some(x) = reader.pop()
+        {
+            println!("{len}: {x}");
+            std::thread::yield_now();
+        }
+    }
+}
+
+fn transfer_test()
+{
+    let (mut tx, mut rx) = stream::bounded_queue::<usize>(256);
+    let count = 1_000_000_000;
+
+    let start = Instant::now();
+    std::thread::spawn(move || {
+        let mut i = 0;
+        while i <= count
+        {
+            let mut writer = tx.write();
+            let mut batch_size = 0;
+            while i <= count && batch_size < 128 && writer.push(i).is_ok()
+            {
+                i += 1;
+                batch_size += 1;
+            }
+        }
+    });
+
+    let mut j = 0;
+    while j <= count
+    {
+        let mut reader = rx.read();
+        while let Some(x) = reader.pop()
+        {
+            assert_eq!(x, j);
+            j += 1;
+        }
+    }
+    let end = Instant::now();
+    let time = (end - start).as_secs_f32();
+    println!(
+        "Transfer test: {:.2}s, {:.2} MT/s",
+        time,
+        count as f32 / (1_000_000. * time)
+    );
 }