Studio 12.4 Beta Refresh has been released and is available for free download at
http://www.oracle.com/technetwork/server-storage/solarisstudio/downloads/solaris-studio-beta-2112763.html
It includes a number enhancements to the C++ compiler, Performance Analyzer and Code Analyzer.
Have you tried it? if not try it out and give us feedback on what works and what could be improved.
In particular Performance Analyzer now supports default hardware counters and support for capturing IPC (Instructions per cycle) and CPI (Cycles per instruction). To get a better idea of what this feature is all about, and how one can use it to tune the performance of applications - check out Darryl Grove's blog post on the topic at: https://blogs.oracle.com/d/entry/studio_12_4_beta_refresh
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Joseph