I contributed a fair amount of material to a recent white paper about Oracle Solaris Studio. The paper is available for download from the developer portal.
Optimizing Applications with Oracle Solaris Studio Compilers and Tools
Oracle Solaris Studio delivers a fully integrated development platform for generating robust high-performance applications for the latest Oracle Sun systems (SPARC and x86). In order to take full advantage of the latest multicore systems, applications must be compiled for optimal performance and tuned to exploit the capabilities of the hardware. Learn how Oracle Solaris Studio helps you generate the highest performance applications for your target platform, from selecting the right compiler flags and optimization techniques to simplifying development with advanced multicore tools.