From 2acfacd4871baf4f8c91dda262f7afa2d254c9f7 Mon Sep 17 00:00:00 2001
From: Dilum Aluthge <dilum@aluthge.com>
Date: Sat, 2 Oct 2021 07:45:38 -0400
Subject: [PATCH] CI (Buildkite): explicitly set the `OPENBLAS_NUM_THREADS`
 environment variable (#42470)

(cherry picked from commit 5b20380141320b1b9705300e3d5e48d862908259)
---
 .buildkite/pipelines/main/platforms/tester_linux.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.buildkite/pipelines/main/platforms/tester_linux.yml b/.buildkite/pipelines/main/platforms/tester_linux.yml
index 3a71599ad6f0aa..d73346dff05a5a 100644
--- a/.buildkite/pipelines/main/platforms/tester_linux.yml
+++ b/.buildkite/pipelines/main/platforms/tester_linux.yml
@@ -53,6 +53,7 @@ steps:
       echo "--- Run the Julia test suite"
       unset JULIA_DEPOT_PATH
       export JULIA_UNDER_RR="$${JULIA_BINARY:?} .buildkite/utilities/rr/rr_capture.jl $${JULIA_BINARY:?}"
+      export OPENBLAS_NUM_THREADS=8
 
       if [[ "$${BUILDKITE_STEP_KEY:?}"   == "tester_linux64_rr" ]]; then
         # For the `rr` job, we disable multi-threading.