further performance improvements

examples/simple_producer/src/main.rs

@@ -190,8 +190,8 @@ async fn main() -> Result<(), Box<dyn Error>> {
     let mut next_time = Instant::now();
     let mut index = 0;
     while !cancellation_token.is_cancelled() {
-        next_time += Duration::from_millis(100);
-        index += 10;
+        next_time += Duration::from_millis(10);
+        index += 1;
         tokio::time::sleep_until(next_time).await;
         sin_tlm_handle
             .publish(