glibcing 2 x AMD EPYC 7742 64-Core testing with a AMD DAYTONA_X (RDY1001C BIOS) and ASPEED on Ubuntu 18.04 via the Phoronix Test Suite. 2 x AMD EPYC 7742 64-Core: Processor: 2 x AMD EPYC 7742 64-Core @ 2.25GHz (128 Cores / 256 Threads), Motherboard: AMD DAYTONA_X (RDY1001C BIOS), Chipset: AMD Device 1480, Memory: 516096MB, Disk: 280GB INTEL SSDPED1D280GA + 256GB Micron_1100_MTFD, Graphics: ASPEED, Monitor: VE228, Network: 2 x Mellanox MT27710 OS: Ubuntu 18.04, Kernel: 5.0.0-27-generic (x86_64), Desktop: GNOME Shell 3.28.4, Display Server: X Server 1.20.4, Display Driver: modesetting 1.20.4, OpenGL: 3.3 Mesa 19.0.8 (LLVM 8.0 128 bits), Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 1920x1080 glibc bench 1.0 Benchmark: cos nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 44485.37 |========================================= glibc bench 1.0 Benchmark: exp nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 25553.93 |========================================= glibc bench 1.0 Benchmark: ffs nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 2.24 |============================================= glibc bench 1.0 Benchmark: sin nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 44539.23 |========================================= glibc bench 1.0 Benchmark: log2 nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 9.19 |============================================= glibc bench 1.0 Benchmark: modf nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 2.54 |============================================= glibc bench 1.0 Benchmark: sinh nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 13.96 |============================================ glibc bench 1.0 Benchmark: sqrt nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 2.80 |============================================= glibc bench 1.0 Benchmark: tanh nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 14.46 |============================================ glibc bench 1.0 Benchmark: asinh nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 21.60 |============================================ glibc bench 1.0 Benchmark: atanh nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 13.33 |============================================ glibc bench 1.0 Benchmark: ffsll nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 2.24 |============================================= glibc bench 1.0 Benchmark: sincos nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 38619.73 |========================================= glibc bench 1.0 Benchmark: pthread_once nanoseconds < Lower Is Better 2 x AMD EPYC 7742 64-Core . 2.24 |=============================================