Unbranded 3.6 GHz AMD Ryzen 7 1800X eight-core processor. 16GB DDR4-2400 RAM, gcc-6.3. Has AVX, AVX2, FMA, SSE2. Using only one of the eight cores. The machine has various power modes. The benchmark was run with "cpupower frequency-set -g performance" and all idle states enabled.
Machine graciously made available by AMD.
Compilers and flags (unless overridden):
gcc -O3 -fomit-frame-pointer -malign-double -fstrict-aliasing -march=k8
c++ -O2 -fomit-frame-pointer
f77 -O2 -fomit-frame-pointer
Raw data files: ryzen.tar.gz