The contribution to performance of instruction set usage in System/370
ACM '86 Proceedings of 1986 ACM Fall joint computer conference
Supercomputer workload decomposition and analysis
ICS '91 Proceedings of the 5th international conference on Supercomputing
Input/output behavior of supercomputing applications
Proceedings of the 1991 ACM/IEEE conference on Supercomputing
Performance analysis using the MIPS R10000 performance counters
Supercomputing '96 Proceedings of the 1996 ACM/IEEE conference on Supercomputing
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The weekend production period on a CRAY X-MP was monitored for several months at each of two supercomputing sites. The hardware performance monitor available on the X-MP was used to collect the data at each site. Various metrics are computed using the measured data. These metrics include rates, such as mops and Mflops, percent vectorization, average vector lengths, memory reference rates, memory contention, the operation mix, I/O rates, hardware metrics such as operations per clock period, and percentage of time waiting to issue an instruction that is waiting on some hardware component.These metrics are used in evaluating the performance of the workloads and the X-MP architecture. These metrics may also give insight into the design of similar register based architectures and may be useful in parameterizing models in future work.