Disable CPU affinity.

1495.patch

@@ -0,0 +1,23 @@
+From e453555d97732f1691c0f07378486e10ab04cd86 Mon Sep 17 00:00:00 2001
+From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
+Date: Mon, 19 Mar 2018 18:02:23 +0100
+Subject: [PATCH] Disable CPU affinity by default again
+
+This setting must have been changed unintentionally by my PR #1214 (probably leftover from unrelated tests)
+---
+ Makefile.rule | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/Makefile.rule b/Makefile.rule
+index 718f04090..62bf63df4 100644
+--- a/Makefile.rule
++++ b/Makefile.rule
+@@ -100,7 +100,7 @@ BUILD_LAPACK_DEPRECATED = 1
+ NO_WARMUP = 1
+ 
+ # If you want to disable CPU/Memory affinity on Linux.
+-#NO_AFFINITY = 1
++NO_AFFINITY = 1
+ 
+ # if you are compiling for Linux and you have more than 16 numa nodes or more than 256 cpus
+ # BIGNUMA = 1

openblas.spec

@@ -15,7 +15,7 @@
 
 Name:           openblas
 Version:        0.2.20
-Release:        9%{?dist}
+Release:        10%{?dist}
 Summary:        An optimized BLAS library based on GotoBLAS2
 Group:          Development/Libraries
 License:        BSD
@@ -29,6 +29,8 @@ Patch1:         openblas-0.2.5-libname.patch
 Patch2:         openblas-0.2.15-constructor.patch
 # Supply the proper flags to the test makefile
 Patch3:         openblas-0.2.19-tests.patch
+# Disable CPU affinity (patch from upstream)
+Patch4:         https://patch-diff.githubusercontent.com/raw/xianyi/OpenBLAS/pull/1495.patch
 
 BuildRequires:  gcc
 BuildRequires:  gcc-gfortran
@@ -228,6 +230,7 @@ cd OpenBLAS-%{version}
 %patch2 -p1 -b .constructor
 %endif
 %patch3 -p1 -b .tests
+%patch4 -p1 -b .affinity
 
 # Fix source permissions
 find -name \*.f -exec chmod 644 {} \;
@@ -660,6 +663,9 @@ rm -rf %{buildroot}%{_libdir}/pkgconfig
 %endif
 
 %changelog
+* Thu Mar 22 2018 Susi Lehtola <jussilehtola@fedoraproject.org> - 0.2.20-10
+- Disable CPU affinity unintentionally enabled upstream (BZ #1558091).
+
 * Wed Mar 04 2018 Susi Lehtola <jussilehtola@fedoraproject.org> - 0.2.20-9
 - Clean up obsolete conditionals for 64 bit builds in spec file.