What is the limit of ICC ?

What is the limit of ICC ?

ICC is a highly optimized compiler for Intel processor. In my test suits, it 's much faster in executing a program than gcc and open64. While I am tuning a kernel , need to give the limit of the performance of the kernel (performance onlycan be limited by procssor resource and architecture shortcomings, cannot be limited by program itself).

As a result of the above resons, I need to know what optimize strategy intel compiler cannot do .
So that I can optimize a special kernel in these unused method.

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For more complete information about compiler optimizations, see our Optimization Notice.

There is no reasonable answer to your question - there is no list of optimization strategies not implemented, and even if there was, it would likely be obsolete as soon as it was written aa we are always improving optimization.

Retired 12/31/2016

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