From 4f594e39319912f0fbbc145d330ad9e09a66bbee Mon Sep 17 00:00:00 2001
From: Cedric Nugteren <web@cedricnugteren.nl>
Date: Sat, 2 Jun 2018 17:57:45 +0200
Subject: Added MKL as an alternative for CBLAS for correctness and performance
 comparisons

---
 cmake/Modules/FindMKL.cmake | 72 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)
 create mode 100644 cmake/Modules/FindMKL.cmake

(limited to 'cmake/Modules/FindMKL.cmake')

diff --git a/cmake/Modules/FindMKL.cmake b/cmake/Modules/FindMKL.cmake
new file mode 100644
index 00000000..df481a4d
--- /dev/null
+++ b/cmake/Modules/FindMKL.cmake
@@ -0,0 +1,72 @@
+
+# ==================================================================================================
+# This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
+# project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
+# width of 100 characters per line.
+#
+# Author(s):
+#   Cedric Nugteren <www.cedricnugteren.nl>
+#
+# ==================================================================================================
+#
+# Defines the following variables:
+#   MKL_FOUND          Boolean holding whether or not the Intel MKL BLAS library was found
+#   MKL_INCLUDE_DIRS   The Intel MKL BLAS include directory
+#   MKL_LIBRARIES      The Intel MKL BLAS library
+#
+# In case MKL is not installed in the default directory, set the MKL_ROOT variable to point to
+# the root of MKL, such that 'mkl_cblas.h' can be found in $MKL_ROOT/include. This can either be
+# done using an environmental variable (e.g. export MKL_ROOT=/path/to/MKL) or using a CMake
+# variable (e.g. cmake -DMKL_ROOT=/path/to/MKL ..).
+#
+# ==================================================================================================
+
+# Sets the possible install locations
+set(MKL_HINTS
+  ${MKL_ROOT}
+  $ENV{MKL_ROOT}
+)
+set(MKL_PATHS
+  /usr
+  /usr/local
+  /usr/local/opt
+  /usr/local/mkl
+  /opt/intel
+  /opt/intel/mkl
+)
+
+# Finds the include directories
+find_path(MKL_INCLUDE_DIRS
+  NAMES mkl_cblas.h
+  HINTS ${MKL_HINTS}
+  PATH_SUFFIXES
+    include inc include/x86_64 include/x64
+  PATHS ${MKL_PATHS}
+  DOC "Intel MKL CBLAS include header mkl_cblas.h"
+)
+mark_as_advanced(MKL_INCLUDE_DIRS)
+
+# Finds the libraries
+set(MKL_LIB_SUFFIXES lib lib64 lib/x86_64 lib/x64 lib/x86 lib/Win32 lib/import lib64/import lib/intel64)
+find_library(MKL_LIBRARIES_LP64 NAMES mkl_intel_lp64 HINTS ${MKL_HINTS} PATH_SUFFIXES ${MKL_LIB_SUFFIXES} PATHS ${MKL_PATHS} DOC "Intel MKL lp64 library")
+find_library(MKL_LIBRARIES_THREAD NAMES mkl_intel_thread HINTS ${MKL_HINTS} PATH_SUFFIXES ${MKL_LIB_SUFFIXES} PATHS ${MKL_PATHS} DOC "Intel MKL thread library")
+find_library(MKL_LIBRARIES_CORE NAMES mkl_core HINTS ${MKL_HINTS} PATH_SUFFIXES ${MKL_LIB_SUFFIXES} PATHS ${MKL_PATHS} DOC "Intel MKL core library")
+find_library(MKL_LIBRARIES_OMP NAMES iomp5 HINTS ${MKL_HINTS} PATH_SUFFIXES ${MKL_LIB_SUFFIXES} PATHS ${MKL_PATHS} DOC "Intel OpenMP library")
+set(MKL_LIBRARIES ${MKL_LIBRARIES_LP64} ${MKL_LIBRARIES_THREAD} ${MKL_LIBRARIES_CORE} ${MKL_LIBRARIES_OMP})
+mark_as_advanced(MKL_LIBRARIES)
+
+# ==================================================================================================
+
+# Notification messages
+if(NOT MKL_INCLUDE_DIRS)
+    message(STATUS "Could NOT find 'mkl_cblas.h', install MKL or set MKL_ROOT")
+endif()
+if(NOT MKL_LIBRARIES)
+    message(STATUS "Could NOT find the Intel MKL BLAS library, install it or set MKL_ROOT")
+endif()
+
+# Determines whether or not MKL was found
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(MKL DEFAULT_MSG MKL_INCLUDE_DIRS MKL_LIBRARIES)
+
+# ==================================================================================================
-- 
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