use a quarter of the cores when building PyTorch

Author: truib

eb_hooks.py

@@ -1248,7 +1248,7 @@ def post_module_hook(self, *args, **kwargs):
 }
 
 POST_MODULE_HOOKS = {}
-
+Torch
 # Define parallelism limit operations
 def divide_by_factor(parallel, factor):
     """Divide parallelism by given factor"""
@@ -1272,6 +1272,9 @@ def set_maximum(parallel, max_value):
     'MBX': {
         '*': (divide_by_factor, 2),
     },
+    'PyTorch': {
+        CPU_TARGET_A64FX: (divide_by_factor, 4),
+    },
     'TensorFlow': {
         '*': (divide_by_factor, 2),
         CPU_TARGET_A64FX: (set_maximum, 8),