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“Why Should I Update GCC x86 Compiler?” or “GCC Compiler Performance on Intel® Atom™ from Version to Version”

      I’ll try to figure out what is new for Intel® Atom™ architecture in new versions of GCC and how this affects performance and code size on the well-known EEMBC CoreMark*  benchmark:

Authored by Evgeny Stupachenko (Intel) Last updated on 03/27/2019 - 10:21
Article

Intel® Compilers for Linux: Compatibility with GNU Compilers

This paper describes compatibility between the Intel® Compilers for Linux* and the GNU* compilers in terms of source, binary and command-line compatibility. The Intel® C/C++ and Fortran Compilers help make your software run at top speed on Intel's platforms, including those based on IA-32, Intel® 64 and Intel® Xeon Phi architecture. The compilers also provide compatibility with commonly used...
Authored by Last updated on 06/07/2017 - 09:49
Article

2015 Beta product activation may fail on existing installations

When installing one of the Beta products,

     Intel® Composer XE 2015 Beta for Windows*      Intel® Software Development Tools 2015 Beta for Windows*

Authored by Hubert H. (Intel) Last updated on 05/25/2018 - 15:30
Article

vectorization support: unroll factor set to xxxx

Vectorization Diagnostic 15144  vectorization support: unroll factor set to xxxx

 

Authored by Ronald W Green (Blackbelt) Last updated on 05/25/2018 - 15:30
Article

Diagnostic 15521: loop was not vectorized: explicitly compute the iteration count before executing the loop.

Product Version: Intel® Fortran Compiler 15.0 and above

Authored by Devorah H. (Intel) Last updated on 05/30/2018 - 07:40
Article

Diagnostic 15523: Loop was not vectorized: cannot compute loop iteration count before executing the loop.

Product Version: Intel(R) Visual Fortran Compiler XE 15.0 or a later version

Authored by Devorah H. (Intel) Last updated on 05/25/2018 - 15:30
Article

Diagnostic 15522: Loop was not vectorized: loop control flow is too complex.

Product Version: Intel® Fortran Compiler 15.0 and above

Authored by Devorah H. (Intel) Last updated on 05/25/2018 - 15:30
Article

Diagnostic 15524: Loop was not vectorized: search loop cannot be vectorized unless all memory references can be aligned vector load.

Product Version: Intel(R) Visual Fortran Compiler XE 15.0 or a later version

Authored by Devorah H. (Intel) Last updated on 05/25/2018 - 15:30
Article

Diagnostic 15527: loop was not vectorized: function call to xxx cannot be vectorized

Product Version: Intel(R) Visual Fortran Compiler XE 15.0 or a later version

Authored by Devorah H. (Intel) Last updated on 05/25/2018 - 15:30
Article

Diagnostic 15537: Loop was not vectorized: implied FP exception model prevents usage of SVML library.

Product Version: Intel® Visual Fortran Compiler XE 15.0 or a later version

Authored by Devorah H. (Intel) Last updated on 05/25/2018 - 15:30