From 497edd300a735344ec1190cb61e6d6bbc9fb4c62 Mon Sep 17 00:00:00 2001
From: Jeff Geerling <geerlingguy@mac.com>
Date: Sun, 20 Nov 2022 22:05:57 -0600
Subject: [PATCH] Fixes #6: Use ansible_processor_nproc for MPI compile CPU
 core count.

---
 main.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.yml b/main.yml
index 54950ab..5ad0c2a 100644
--- a/main.yml
+++ b/main.yml
@@ -54,7 +54,7 @@
         creates: "{{ hpl_root }}/tmp/COMPILE_MPI_COMPLETE"
       loop:
         - ./configure --with-device=ch3:sock FFLAGS=-fallow-argument-mismatch
-        - make -j4
+        - "make -j{{ ansible_processor_nproc }}"
 
     - name: Install MPI.
       ansible.builtin.command: make install