From 6d20e938dae1a25b4e4088cad481f16f90ef2b12 Mon Sep 17 00:00:00 2001
From: Sajid Ali <30510036+s-sajid-ali@users.noreply.github.com>
Date: Thu, 28 Feb 2019 11:07:04 -0600
Subject: [PATCH] petsc: add +knl variant
---
var/spack/repos/builtin/packages/petsc/package.py | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/var/spack/repos/builtin/packages/petsc/package.py b/var/spack/repos/builtin/packages/petsc/package.py
index c1d452f4f1..b9b20be8cb 100644
--- a/var/spack/repos/builtin/packages/petsc/package.py
+++ b/var/spack/repos/builtin/packages/petsc/package.py
@@ -81,7 +81,8 @@ class Petsc(Package):
multi=False)
variant('suite-sparse', default=False,
description='Activates support for SuiteSparse')
-
+ variant('knl', default=False,
+ description='Build for KNL')
variant('X', default=False,
description='Activate X support')
@@ -225,6 +226,9 @@ def install(self, spec, prefix):
'--with-blas-lapack-lib=%s' % lapack_blas.joined()
])
+ if '+knl' in spec:
+ options.append('--with-avx-512-kernels')
+ options.append('--with-memalign=64')
if '+X' in spec:
options.append('--with-x=1')
else:
--
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