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Related to MFLOP: Megaflops, gigaflop, teraflop
MFLOPMega Floating-Point Operations Per Second (measure of the speed of computers used to perform floating-point calculations)
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Benchmark set 1 CPU MFlops Reported Normalized EMA-VP ~500 2.48 2.48 Beam-ACO ~2500 2.17 10.85 CA ~175 8.33 2.92 Heuristic ~200 5.79 2.32 Benchmark set 2 Benchmark set 3 Reported Normalized Reported Normalized EMA-VP 1.43 1.43 13.18 13.18 Beam-ACO 0.43 2.15 10.74 53.7 CA 8.43 2.95 19.33 6.76 Heuristic -- -- 197.18 78.87 Figure 4: Possible routes after combining VBS and RK.
v sec Mflops i 40.8 70 [argmax.sub.w] ([M.sub.w]) 35.2 82 [argmin.sub.w] ([T.sub.w]) 6.57 531 7.2 Example 2
The Cray-2 is rated at 1,800 MFLOPS (peak); it has 4 processors and 4GB of primary memory; and it was running UNICOS 4.0 at the time of our experiments.
In 1995, $20,000 distributed computing node microprocessors with peak speeds of 400 to 800 Mflops can provide 20,000 to 40,000 flops/$.
For example, for matrices of order 250 on an IBM RS/6000-370, the average Mflop rate, excluding matrix 5, was 4.5, with a standard deviation of 1.4.
The average efficiency of computers on the Green500 list increased 10%, from 98 MFlops per watt to 108 MFlops per watt, according to
mflops) can be empirically determinate for each parallel computer by executing benchmark programs at installation time.
In tables 5.2-5.5 different strategies seems to give the same number of Mflops and/or iterations.
The TI processor has a high-speed central processing unit (CPU) rated at 275 mops (million operations per second) and 50 Mflops (million floating-point operations per second); the new seeker was credited by Akopyan with having a speed of up to 50 million operations per second and a memory capacity of 64 KB upgradeable to 128 KB if required.
According to Pinford, a multiprocessing workstation with two 1-GHz Intel xeon processors generates a peak of 2,000 MFLOPS, whereas in 1989, the Cray, which was configured with four 166-MHz processors, generated a peak of 1,333 MFLOPS.
In terms of performance, the direct tridiagonalization runs at roughly 75 MFlops, while the reduction to banded form reaches 220 MFlops, more than half of the processor's peak performance.
This machine contains four 332MHz PowerPC 604e processors, each with a peak performance of 664 Mflops. We refer to this simple benchmark as MATMUL.