make psutil optional (#901)

optimum/intel/utils/import_utils.py

@@ -149,6 +149,15 @@
         _numa_available = False
 
 
+_psutil_available = importlib.util.find_spec("psutil") is not None
+
+if _psutil_available:
+    try:
+        importlib_metadata.version("psutil")
+    except importlib_metadata.PackageNotFoundError:
+        _psutil_available = False
+
+
 _sentence_transformers_available = importlib.util.find_spec("sentence_transformers") is not None
 _sentence_transformers_available = "N/A"
 
@@ -284,6 +293,10 @@ def is_numa_available():
     return _numa_available
 
 
+def is_psutil_available():
+    return _psutil_available
+
+
 # This function was copied from: https://github.com/huggingface/accelerate/blob/874c4967d94badd24f893064cc3bef45f57cadf7/src/accelerate/utils/versions.py#L319
 def compare_versions(library_or_version: Union[str, Version], operation: str, requirement_version: str):
     """

optimum/intel/utils/modeling_utils.py

@@ -20,13 +20,12 @@
 from pathlib import Path
 from typing import List, Optional, Union
 
-import psutil
 import torch
 from huggingface_hub import HfApi, HfFolder
 
 from optimum.exporters import TasksManager
 
-from .import_utils import is_numa_available
+from .import_utils import is_numa_available, is_psutil_available
 
 
 MULTI_QUERY_ATTN_MODELS = {"gpt_bigcode"}
@@ -190,6 +189,11 @@ def bind_cores_for_best_perf():
     if platform.system() != "Linux":
         logger.error("bind_cores_for_best_perf: OS not supported, this function can only be run on Linux systems.")
         raise OSError("bind_cores_for_best_perf: OS not supported, this function can only be run on Linux systems.")
+    if not is_psutil_available():
+        logger.error("`psutil` module not found")
+        raise ImportError("'psutil' module not found, install with 'pip install psutil'")
+    import psutil
+
     if not is_numa_available():
         logger.error("'numa' module not found")
         raise ImportError("'numa' module not found, install with 'pip install numa'")