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Hello support,
We want to update from Intel oneAPI 2022.3.0 icc/ifort to 2023.1.0 icc/ifort due to some compiler crashes to ge hopefully more stable. But we run into problems on RHEL7 because 2023.1.0 uses GLIBCXX_3.4.21 symbols whereas 2022.3.0 only used GLIBCXX_3.4 symbols.
Was this intended to break downward compatibility for RHEL7?
Best regards
Frank
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Hi,
Thanks for posting in the Intel forums.
The Intel C++ Classic Compiler and Intel Fortran Compiler no longer provide support for RHEL7 according to the system requirements given below:
Additionally, you are currently using icc, which is deprecated and will be removed in future releases. It is recommended that you switch to using ICX instead.
We suggest that you try using any of the supported operating systems listed on the system requirements page provided above.
Thanks & Regards
Shivani
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Hi,
Ok thank you for the information. We will then try to migrate to icx.
Unfortunately we have problems with icx on Linux and Windows in release builds (-O3)
It seems like icx optimize something wrong, but I have to look a little bit deeper into it.
Best regards
Frank
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Hi,
>>>"Unfortunately we have problems with icx on Linux and Windows in release builds (-O3)"
Could you please elaborate on this issue so that we can investigate more on it?
Could you also please provide us with a sample reproducer code and steps to reproduce the issue?
Please let us know the version of icx you have been using.
Thanks & Regards
Shivani
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Hi,
As we did not hear back from you could you please respond to my previous post?
Thanks & Regards
Shivani
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Hi,
You can close this issue, thank you.
For the optimization problem with icx have a look at
Best regards
Frank
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Hi,
As you have raised a new thread for an optimization issue we are going ahead and closing this issue. If you need any additional information please post a new question as this thread will no longer be monitored by Intel.
Thanks & Regards
Shivani

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