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Hi all When I try and run hepspec "out of the box" on sl6 I observe that two benchmarks that run on sl5 fail to compile on sl6. These are xalancbmk and dealII. In order to get these to compile I have to make sure the following lines are included in linux32-gcc_cern.cfg ##################################################################### # Portability Flags - INT ##################################################################### 483.xalancbmk=default=default=default: CXXPORTABILITY= -DSPEC_CPU_LINUX -include cstdlib -include cstring 447.dealII=default=default=default: CXXPORTABILITY= -DSPEC_CPU_LINUX -include cstdlib -include cstring Does anyone else see this? It affects the hepspec result in the end. e.g. for our 48 thread (@2.2GHz) sandybridge R820 the results go from 340 to 380 which is a 25% improvement on sl5 scores! dan -- * Dr Daniel Traynor, Grid system administrator * Physics, QMUL, London, Tel +44(0)2078826560