From 10e05b5efa75ea2d9c4cd3fbb1e127a0dc73c399 Mon Sep 17 00:00:00 2001
From: "J. Nick Koston" <nick@home-assistant.io>
Date: Mon, 16 Mar 2026 22:13:11 -1000
Subject: [PATCH] Build all benchmark code with -O2 instead of -Os

---
 script/cpp_benchmark.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/script/cpp_benchmark.py b/script/cpp_benchmark.py
index 7487815402..f30054fbad 100755
--- a/script/cpp_benchmark.py
+++ b/script/cpp_benchmark.py
@@ -27,9 +27,13 @@ CORE_BENCHMARKS_DIR: Path = Path(root_path) / "tests" / "benchmarks" / "core"
 BENCHMARK_CODEGEN_COMPONENTS = BASE_CODEGEN_COMPONENTS | {"json"}
 
 PLATFORMIO_OPTIONS = {
+    "build_unflags": [
+        "-Os",  # remove default size-opt
+    ],
     "build_flags": [
-        USE_TIME_TIMEZONE_FLAG,
+        "-O2",  # optimize for speed (CodSpeed recommends RelWithDebInfo)
         "-g",  # debug symbols for profiling
+        USE_TIME_TIMEZONE_FLAG,
     ],
     # Use deep+ LDF mode to ensure PlatformIO detects the benchmark
     # library dependency from nested includes.