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#===============================================================================
# Copyright 2018 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#===============================================================================
# Manage different library options
#===============================================================================
if(options_cmake_included)
return()
endif()
set(options_cmake_included true)
# ========
# Features
# ========
option(MKLDNN_VERBOSE
"allows Intel(R) MKL-DNN be verbose whenever MKLDNN_VERBOSE
environment variable set to 1" ON) # enabled by default
option(MKLDNN_ENABLE_CONCURRENT_EXEC
"disables sharing a common scratchpad between primitives.
This option must be turned on if there is a possibility of concurrent
execution of primitives that were created in the same thread.
CAUTION: enabling this option increases memory consumption"
OFF) # disabled by default
# =============================
# Building properties and scope
# =============================
set(MKLDNN_LIBRARY_TYPE "SHARED" CACHE STRING
"specifies whether Intel(R) MKL-DNN library should be SHARED or STATIC")
option(WITH_EXAMPLE "builds examples" ON)
option(WITH_TEST "builds tests" ON)
set(MKLDNN_THREADING "OMP" CACHE STRING
"specifies threading type; supports OMP (default), or TBB.
If Intel(R) Threading Building Blocks (Intel(R) TBB) one should also
set TBBROOT (either environement variable or CMake option) to the library
location")
# =============
# Optimizations
# =============
set(ARCH_OPT_FLAGS "HostOpts" CACHE STRING
"specifies compiler optimization flags (see below for more information).
If empty default optimization level would be applied which depends on the
compiler being used.
- For Intel(R) C++ Compilers the default option is `-xHOST` which instructs
the compiler to generate the code for the architecture where building is
happening. This option would not allow to run the library on older
architectures.
- For GNU* Compiler Collection version 5 and newer the default options are
`-march=native -mtune=native` which behaves similarly to the descriprion
above.
- For all other cases there are no special optimizations flags.
If the library is to be built for generic architecture (e.g. built by a
Linux distributive maintainer) one may want to specify ARCH_OPT_FLAGS=\"\"
to not use any host specific instructions")
# ======================
# Profiling capabilities
# ======================
set(VTUNEROOT "" CACHE STRING
"path to Intel(R) VTune(tm) Amplifier.
Required to register Intel(R) MKL-DNN kernels that are generated at
runtime, otherwise the profile would not be able to track the kernels and
would report `outside any known module`.")
# =============
# Miscellaneous
# =============
option(BENCHDNN_USE_RDPMC
"enables rdpms counter to report precise cpu frequency in benchdnn.
CAUTION: may not work on all cpus (hence disabled by default)"
OFF) # disabled by default
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