From dfa15b7b32250295b95061c95f8d8cbb811aaae3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ren=C3=A9=20Kijewski?= <rene.kijewski@fu-berlin.de>
Date: Sat, 17 Aug 2024 20:55:53 +0200
Subject: [PATCH] Pin to one CPU

---
 .github/workflows/rust.yml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 7c78398..9edfebc 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -135,8 +135,12 @@ jobs:
       - name: Remove any stale results
         run: rm -rf target/criterion
 
+      - name: Build benchmarks
+        run: cargo build --release --bench template-benchmark
+
       - name: Run benchmarks
-        run: cargo bench --bench template-benchmark
+        # Pin to one CPU, skipping the first core, to hopefully get fewer outliers.
+        run: taskset --cpu-list "$(( $RANDOM  % ($(nproc) - 2) + 2 ))" cargo bench --bench template-benchmark
 
       - name: Fixup paths
         run: sed -e 's,href="../,href=",' < target/criterion/report/index.html > target/criterion/index.html