AIDA64 memory bandwidth benchmarks (Memory Read, Memory Write, and Memory Copy) measure the maximum achievable memory data transfer bandwidth.
Now we get a look at how the Crucial DDR4 memory performs on the ASRock EP2C612D16FM motherboard. We see good improvements on bandwidth using DDR4, and it offers improvements in latency over DDR3, which we saw around 90-103ns. With DDR4, we see a big improvement, with latency dropping to around 77ns. Faster memory and lower latency with higher capacities offers higher performance for memory driven applications.
Intel Optimized LINPACK Benchmark is a generalization of the LINPACK 1000 benchmark. It solves a dense (real*8) system of linear equations (Ax=b), measures the amount of time it takes to factor and solve the system, converts that time into a performance rate, and tests the results for accuracy.
LINPACK is a measure of a computer's floating-point rate of execution ability, measured in GFlops (Floating-point Operations per Second); 10 billion FLOPS = 10 GFLOPS. LINPACK is a very heavy computing application that can take advantage of the new AVX2 instruction. As it puts a very high load on the system, it is also a good stress test program.
The E5-2698 v3 processors and AVX2 really take off in this benchmark, with almost double the performance of E5-2697 v2 processors. We have also seen results as high as 800 GFlops using E5-2699 v3 processors.
We think LINPACK really shows the potential of the raw computational power these new platforms offer to the enterprise markets.
UnixBench has been around for a long time now, and is a good general-purpose benchmark to test on Linux-based systems. This is a system benchmark, and shows the performance of single-threaded and multi-threaded tasks.
UnixBench is also showing strong numbers in these tests. These numbers are not as high as we would like to see though. It is very possible that we will need an update to UnixBench to get this benchmark running in top shape.
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