example.py

# Copyright (c) 2018, Intel Corporation
#
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# modification, are permitted provided that the following conditions are met:
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# pylint: disable=no-member

import re

import mkl


def enable_best_instructions_set():
    for instructions_set in ["avx512", "avx2", "avx", "sse4_2"]:
        if mkl.enable_instructions(instructions_set) == "success":
            result = instructions_set
            break
    else:
        result = "error"

    return result


def is_max_supported_instructions_set(instructions_set):
    result = False
    if re.search(
        instructions_set.replace("4_2", "4.2"),
        mkl.get_version()["Processor"].decode(),
        re.IGNORECASE,
    ):
        result = True

    return result


if __name__ == "__main__":
    time_begin = mkl.dsecnd()
    print(mkl.get_version_string())

    instructions_set = enable_best_instructions_set()
    print("Enable snstructions set: " + str(instructions_set))

    is_max = is_max_supported_instructions_set(instructions_set)
    print("Is the best supported instructions set: " + str(is_max))

    time_end = mkl.dsecnd()
    print("Execution time: " + str(time_end - time_begin))