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Less is More: Exploiting Single Precision Math in HPC (HPCwire)
2006-06-16

Some of the most widely used processors for high-performance computing today demonstrate much higher performance for 32-bit floating point arithmetic (single precision) than for 64-bit floating point arithmetic (double precision). These include the AMD Opteron, the Intel Pentium, the IBM PowerPC, and the Cray X1. These architectures demonstrate approximately twice the performance for single precision execution when compared to double precision.
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