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*** Update 4 is released shortly after Update 3. What is wrong with Update 3? Should we use it? ***
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I had the impression update 3 didn't bring bug fixes in all the compilers. I think we were kept in the dark. Update 4 seems to have changed some auto vectorization thresholds.
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Update 3 was just Update 2 plus a runtime performance optimization enhancement. Update 4 was a real update with bug fixes, etc.
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Thank you, Judith.
>>...Update 4 was a real update with bug fixes, etc...
I'm almost ready to install it ( for Linux ).
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>>>>...Update 4 was a real update with bug fixes, etc...
>>
>>I'm almost ready to install it ( for Linux ).
Installed successfully from the 2nd attempt. I always download a full installation and something went wrong with integrity of a 4.5 GB archive file and it was corrupted. It would be nice to have an MD5 signature for the archive to verify its integrity after it is downloaded.
Here are a couple of notes:
This is 3rd time ( initial installation, update 2, and now for update 4 ) when the installer asks for some 32-bit components:
...
Checking the prerequisites. It can take several minutes. Please wait...
--------------------------------------------------------------------------------
Step 5 of 7 | Prerequisites > Missing Optional Prerequisite(s)
--------------------------------------------------------------------------------
There are one or more optional unresolved issues. It is highly recommended to
resolve them all before you continue. You can fix them without exiting the setup
program and re-check. Or you can exit the setup program, fix them and run the
setup program again.
--------------------------------------------------------------------------------
Missing optional prerequisites
-- 32-bit libraries not found
...
I've installed a set of 32-bit components for Linux Ubuntu a long time ago and my question is what 32-bit components need to be installed? The installer needs to be more specific.
This is what I've installed during my 1st installation of Intel PS XE 2017 CE ( in November 2016 ):
...
sudo apt-get update
sudo apt-get install libc6:i386
sudo apt-get install libc6-dbg:i386
sudo apt-get install libstdc++:i386 libstdc++6:i386 glibc:i386 libgcc:i386
...
Did I miss some package(s)?
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I have a very good impression about Update 4 because some pieces of code work faster by 10-15% on a KNL system.

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