szha commented on a change in pull request #20338:
URL: https://github.com/apache/incubator-mxnet/pull/20338#discussion_r657102332
##########
File path: python/mxnet/util.py
##########
@@ -848,3 +848,20 @@ def setenv(name, value):
"""
passed_value = None if value is None else c_str(value)
check_call(_LIB.MXSetEnv(c_str(name), passed_value))
+
+def set_flush_denorms(value):
+ """Change floating-point calculations when dealing with denormalized
values.
+ This is only applicable to architectures which supports flush-to-zero.
+ Denormalized values are positive and negative values that are very
close to 0
+ (exponent is the smallest possible value).
+ Flushing denormalized values to 0 can speedup calculations if such
values occurs,
+ but if fulfilling whole IEEE 754 standard is required this option
should be disabled.
+ Parameters
+ ----------
+ value : bool
+ State of flush-to-zero and denormals-are-zero in MXCSR register
Review comment:
```suggestion
def set_flush_denorms(value):
"""Change floating-point calculations on CPU when dealing with
denormalized values.
This is only applicable to architectures which supports flush-to-zero.
Denormalized values are positive and negative values that are very
close to 0
(exponent is the smallest possible value).
Flushing denormalized values to 0 can speedup calculations if such
values occurs,
but if fulfilling whole IEEE 754 standard is required this option
should be disabled.
Parameters
----------
value : bool
State of flush-to-zero and denormals-are-zero in MXCSR register
```
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