From fa14676e1a512a732f922fbed4661b86ce813daa Mon Sep 17 00:00:00 2001
From: Witold Baryluk <witold.baryluk+github@gmail.com>
Date: Fri, 4 Dec 2020 01:32:13 +0000
Subject: [PATCH] Don't pass raw -j to make

`-j` means to use unlimited amount of workers. That is not a good idea on low core count machines, or big core count machines with not enough memory.

It shouldn't be an issue for `clean` target, but it is bad practice.

Use `nproc`.
---
 test_all.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test_all.sh b/test_all.sh
index 1847ab1..ad88c02 100755
--- a/test_all.sh
+++ b/test_all.sh
@@ -77,7 +77,7 @@ echo
 : ${HIP_MAKEJ:="4"}
 echo "==== Rodinia ===="
 cd rodinia_3.0/hip
-make clean -j ${HIP_MAKEJ}
+make clean -j$(nproc) ${HIP_MAKEJ}
 make test
 cd ..