From 238b10a0257e944b8921cfb67117de82d6fd73d0 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Sun, 17 May 2026 16:25:39 +0000
Subject: [PATCH] =?UTF-8?q?=E2=9A=A1=20Optimize=20measureTcpLatency=20to?=
 =?UTF-8?q?=20run=20in=20parallel?=
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Co-authored-by: sunnylqm <615282+sunnylqm@users.noreply.github.com>
---
 src/utils/runtime.ts | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/src/utils/runtime.ts b/src/utils/runtime.ts
index 922ab89..8fc1d27 100644
--- a/src/utils/runtime.ts
+++ b/src/utils/runtime.ts
@@ -98,14 +98,11 @@ export async function measureTcpLatency(
   } = {},
 ): Promise<number> {
   const { host, port } = resolveTcpTarget(input);
-  const latencies: number[] = [];
-
-  for (let i = 0; i < attempts; i++) {
-    const latency = await measureTcpConnectOnce(host, port, timeout);
-    if (Number.isFinite(latency)) {
-      latencies.push(latency);
-    }
-  }
+  const promises = Array.from({ length: attempts }, () =>
+    measureTcpConnectOnce(host, port, timeout),
+  );
+  const results = await Promise.all(promises);
+  const latencies = results.filter(Number.isFinite);
 
   if (latencies.length === 0) {
     return Number.POSITIVE_INFINITY;