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Add is_arm_cpu check #3350

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Add is_arm_cpu check #3350

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13 changes: 12 additions & 1 deletion nncf/common/utils/cpu_info.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,15 +9,26 @@
# See the License for the specific language governing permissions and
# limitations under the License.

import platform
import re

import cpuinfo # type: ignore

_IS_ARM_CPU = None
_IS_LNL_CPU = None


def is_arm_cpu() -> bool:
global _IS_ARM_CPU
if _IS_ARM_CPU is None:
_IS_ARM_CPU = platform.processor().lower() == "arm"
return _IS_ARM_CPU


def is_lnl_cpu() -> bool:
global _IS_LNL_CPU
if _IS_LNL_CPU is None:
_IS_LNL_CPU = re.search(r"Ultra \d 2\d{2}", cpuinfo.get_cpu_info()["brand_raw"]) is not None
_IS_LNL_CPU = (
not is_arm_cpu() and re.search(r"Ultra \d 2\d{2}", cpuinfo.get_cpu_info()["brand_raw"]) is not None
)
return _IS_LNL_CPU