[New-bugs-announce] [issue38959] Parboil -- OpenMP CUTCP performance regression when upgrade from python 2.7.15 to 2.7.17

[Jiebin]

New submission from Jiebin <jiebin.sun at intel.com>:

When we replace the rpm package from 2.7.15 to 2.7.17. The benchmark Parboil -- OpenMP CUTCP shows regression.
Steps to reproduce the regression. You can reproduce the issue by phoronix test suite or run it from the source code.




Benchmarks	indicators	unit	HIB/LIB	Legacy version			New version			Regression status	OS	HW platform	comments
				component version	value	RSD	component version	value	RSD				
 parboil	 OpenMP CUTCP	Seconds	 LIB	 2.7.15	 1.20	 0.5%	 2.7.17	 1.37	 0.5%	 12%	 Clear Linux	 CLX server

----------
components: Library (Lib)
files: image-2019-12-03-13-55-06-020.png
messages: 357744
nosy: jiebinsu
priority: normal
severity: normal
status: open
title: Parboil -- OpenMP CUTCP performance regression when upgrade from python 2.7.15 to 2.7.17
type: performance
versions: Python 2.7
Added file: https://bugs.python.org/file48749/image-2019-12-03-13-55-06-020.png

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38959>
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