From e9a86a34b6c1e753bb8e9176fb41fa15ec98419a Mon Sep 17 00:00:00 2001
From: 20k-ultra <3946250+20k-ultra@users.noreply.github.com>
Date: Sun, 26 Feb 2023 23:24:21 -0500
Subject: [PATCH] improve parallel benchmark speed See
 https://github.com/tokio-rs/tokio/issues/2401

Signed-off-by: 20k-ultra <3946250+20k-ultra@users.noreply.github.com>
---
 profiler/src/lib.rs | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/profiler/src/lib.rs b/profiler/src/lib.rs
index 9be3166..c68479b 100644
--- a/profiler/src/lib.rs
+++ b/profiler/src/lib.rs
@@ -23,8 +23,11 @@ pub async fn benchmark(domain: &str, concurrency: usize) -> Result<Vec<Benchmark
         let domain_copy = domain.clone();
         tasks.push(handle.spawn(async move { run_benchmark(domain_copy).await }));
     }
-    let results = futures::future::join_all(tasks).await;
-    results.into_iter().map(Result::unwrap).collect()
+    let mut results = Vec::new();
+    for handle in tasks {
+        results.push(handle.await?.unwrap());
+    }
+    Ok(results)
 }
 
 async fn run_benchmark(domain: Arc<String>) -> Result<Benchmark, io::Error> {