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| 1 | +# Copyright (c) 2018, Intel Corporation |
| 2 | +# |
| 3 | +# Redistribution and use in source and binary forms, with or without |
| 4 | +# modification, are permitted provided that the following conditions are met: |
| 5 | +# |
| 6 | +# * Redistributions of source code must retain the above copyright notice, |
| 7 | +# this list of conditions and the following disclaimer. |
| 8 | +# * Redistributions in binary form must reproduce the above copyright |
| 9 | +# notice, this list of conditions and the following disclaimer in the |
| 10 | +# documentation and/or other materials provided with the distribution. |
| 11 | +# * Neither the name of Intel Corporation nor the names of its contributors |
| 12 | +# may be used to endorse or promote products derived from this software |
| 13 | +# without specific prior written permission. |
| 14 | +# |
| 15 | +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 16 | +# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 17 | +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 18 | +# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
| 19 | +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 20 | +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 21 | +# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| 22 | +# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 23 | +# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | + |
| 26 | + |
| 27 | +import mkl_service as mkl |
| 28 | +import re |
| 29 | + |
| 30 | + |
| 31 | +def enable_best_instructions_set(): |
| 32 | + for instructions_set in ['avx512', 'avx2', 'avx', 'sse4_2']: |
| 33 | + if mkl.enable_instructions(instructions_set) == 'success': |
| 34 | + result = instructions_set |
| 35 | + break |
| 36 | + else: |
| 37 | + result = 'error' |
| 38 | + |
| 39 | + return result |
| 40 | + |
| 41 | + |
| 42 | +def is_max_supported_instructions_set(instructions_set): |
| 43 | + result = False |
| 44 | + if re.search(instructions_set.replace('4_2', '4.2'), mkl.get_version()['Processor'].decode(), re.IGNORECASE): |
| 45 | + result = True |
| 46 | + |
| 47 | + return result |
| 48 | + |
| 49 | + |
| 50 | +if __name__ == '__main__': |
| 51 | + time_begin = mkl.dsecnd() |
| 52 | + print(mkl.get_version_string()) |
| 53 | + |
| 54 | + instructions_set = enable_best_instructions_set() |
| 55 | + print('Enable snstructions set: ' + str(instructions_set)) |
| 56 | + |
| 57 | + is_max = is_max_supported_instructions_set(instructions_set) |
| 58 | + print('Is the best supported instructions set: ' + str(is_max)) |
| 59 | + |
| 60 | + time_end = mkl.dsecnd() |
| 61 | + print('Execution time: ' + str(time_end - time_begin)) |
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