Performance Results: Speedup for DGEMM/SGEMM
Performance Results
Ratio of execution times (speedup) for DGEMM/SGEMM (m=n=k)

Architecture (BLAS) n DGEMM
/
SGEMM
DGETRF
/
SGETRF
DGESV
/
DSGESV
# iter
Intel Pentium III Coppermine (Goto) 3500 2.10 2.24 1.92 4
Intel Pentium III Katmai (Goto) 3000 2.12 2.11 1.79 4
Sun UltraSPARC IIe (Sunperf) 3000 1.45 1.79 1.58 4
Intel Pentium IV Prescott (Goto) 4000 2.00 1.86 1.57 5
Intel Pentium IV-M Northwood (Goto) 4000 2.02 1.98 1.54 5
AMD Opteron (Goto) 4000 1.98 1.93 1.53 5
Cray X1 (libsci) 4000 1.68 1.54 1.38 7
IBM Power PC G5 (2.7 GHz) (VecLib) 5000 2.29 2.05 1.24 5
Compaq Alpha EV6 (CXML) 3000 0.99 1.08 1.01 4
IBM SP Power3 (ESSL) 3000 1.03 1.13 1.00 3
SGI Octane (ATLAS) 2000 1.08 1.13 0.91 4
Intel Itanium 2 (Goto and ATLAS) 1500 0.71

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