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Originally posted by: FangLu Good new! The more focused community about XL compilers on POWER is now available at http://ibm.biz/xl-power-compilers . If you are interested in the XL compilers on POWER, you may want to join the new community and subscribe to...
Originally posted by: Zhao Wu Good new! The more focused community about XL compilers on POWER is now available at http://ibm.biz/xl-power-compilers . If you are interested in the XL compilers on POWER, you may want to join the new community and subscribe to...
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Originally posted by: AliceYing My previous blog introduces why TOC overflow occurs and what the general solutions are to solve the problem. Now it is time to describe the solutions in detail. Two general solutions As the matter of fact, the best way to handle TOC overflow is to...
Originally posted by: sumi cj Extern templates, also known as explicit instantiation declarations, are introduced as a new feature in the C++11 standard. This feature aims to improve compiler performance. Let's see how template instantiation works without extern templates from the following...
Originally posted by: AliceYing Do you have experience of encountering table of contents (TOC) overflow? If you do, how do you deal with the problem? The IBM XL C compiler provides solutions to solve the problem since version 12. There is also a developerWorks article written by Kit Barton...
Originally posted by: rauls Those of us who develop C++ applications for a living, often hit a dilemma when analyzing functional errors. Should I debug my application using a symbolic debugger, or should I just add prints and traces to the code to understand its behavior? Too often...
Originally posted by: JimMcInnes I got curious about what the real speedup is from using -O2, so I did a few runs on an old machine we have sitting around in our shop. I used XLC V11.1 and XLF V13.1 to measure the old SPEC CPU2000 benchmark suite. I did two measurements: one with ...
Originally posted by: dzabawa The AIX tprof utility is a valuable tool for optimization which provides features to identify performance bottlenecks within programs and to aid in analysis of performance-critical code. The IBM XL C/C++ Compiler provides features to aid in the use of tprof for...
Originally posted by: Visda So many times we get clients complaining to us that their code used to work on an older release but it's broken using the new release of the compiler. After closer look at the sample test case provided, we find out they have been lucky to have a working copy of...
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