Stride 1 is important. Optimize for 2ndary cache use. Treat Scache like a 4096 word direct-mapped cache for key loops. Not necessary for BLAS-1. Use bnchlib intrinsics.
PE is required.
Thus, a 128 node T3E can have at most 127 application nodes. CRI may not be able to read dumps if you alter recommended number of system nodes. Adjust for mpirun which adds 2 command line args after user command. CF90 Programmer should be aware of several techniques to get the best compiler optimization out of CF90. Thus, one bug fix removes multiple manifestations.