Just to be sure, since Ubuntu's gcc has "--enable-default-pie" I wanted to
check.
Do "the others" set pie by default as well?
Just want to make sure that their execution without explicit pie is -no-pie
while ours would then be -pie.
For your kernel thoughts - even though the first idea was
And the exact kernel version is also of high interest - I assume the HWE
kernel was used (4.15) and not the GA kernel (4.4)?!
** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Assignee: (unassigned) => Skipper Bug Screeners
** Tags removed: targetmilestone-inin---
** Tags added: targetmilestone-inin16045
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https://bugs.launchpad.net/bugs/1812182
Title:
Performance degradation with SPECint2017
Thanks for the heads up, sounds very interesting!
I know you said you are still analyzing, so I'll wait ... so many
questions in my mind already :-)
But one thing to check up front - which gcc version are you using on
this test on Ubuntu and which one on the systems you compare?
** Also
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