RAM speed performance comparison
Testing RAM speed impact for the new CSMM workstation


3200MHz CL 16-18-18-18-38 1T: 

	Processor: AMD Ryzen 9 3900X 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 UNIFY (MS-7C35) v2.0 (A.30 BIOS), Chipset: AMD Starship/Matisse, Memory: 32GB, Disk: 2 x 1024GB ADATA SX8200PNP, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2100/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: S2719DGF + DELL U2312HM, Network: Realtek RTL8125 2.5GbE

	OS: Arch rolling, Kernel: 5.10.15-arch1-1 (x86_64), Display Server: X Server 1.20.10, OpenGL: 4.6 Mesa 20.3.4 (LLVM 11.0.1), Compiler: GCC 10.2.0 + Clang 11.0.1, File-System: xfs, Screen Resolution: 4480x1440

2666MHz CL 18-18-18-18-43 1T: 

	Processor: AMD Ryzen 9 3900X 12-Core @ 3.80GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 UNIFY (MS-7C35) v2.0 (A.30 BIOS), Chipset: AMD Starship/Matisse, Memory: 32GB, Disk: 2 x 1024GB ADATA SX8200PNP, Graphics: AMD Radeon RX 5600 OEM/5600 XT / 5700/5700 8GB (2100/875MHz), Audio: AMD Navi 10 HDMI Audio, Monitor: S2719DGF + DELL U2312HM, Network: Realtek RTL8125 2.5GbE

	OS: Arch rolling, Kernel: 5.10.15-arch1-1 (x86_64), Display Server: X Server 1.20.10, OpenGL: 4.6 Mesa 20.3.4 (LLVM 11.0.1), Compiler: GCC 10.2.0 + Clang 11.0.1, File-System: xfs, Screen Resolution: 4480x1440

Ryza: 

	Processor: AMD Ryzen 9 3950X 16-Core @ 3.50GHz (16 Cores / 32 Threads), Motherboard: MSI MAG B550 TOMAHAWK (MS-7C91) v2.0 (A.30 BIOS), Chipset: AMD Starship/Matisse, Memory: 64GB, Disk: 2 x 1000GB KINGSTON SA2000M81000G + 4001GB Western Digital WD40EFRX-68N, Graphics: MSI NVIDIA GeForce RTX 3090 24GB, Audio: NVIDIA Device 1aef, Network: Realtek RTL8111/8168/8411 + Realtek RTL8125 2.5GbE

	OS: Ubuntu 20.04, Kernel: 5.8.0-43-generic (x86_64), Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.9, Display Driver: NVIDIA, Vulkan: 1.2.155, Compiler: GCC 9.3.0 + CUDA 11.2, File-System: ext4, Screen Resolution: 1920x1080


SciMark 2.0
Computational Test: Composite
Mflops > Higher Is Better
3200MHz CL 16-18-18-18-38 1T . 659.60 |======================================
2666MHz CL 18-18-18-18-43 1T . 650.43 |=====================================
Ryza ......................... 700.32 |========================================


SciMark 2.0
Computational Test: Monte Carlo
Mflops > Higher Is Better
3200MHz CL 16-18-18-18-38 1T . 160.65 |========================================
2666MHz CL 18-18-18-18-43 1T . 160.47 |========================================
Ryza ......................... 154.95 |=======================================


SciMark 2.0
Computational Test: Fast Fourier Transform
Mflops > Higher Is Better
3200MHz CL 16-18-18-18-38 1T . 360.49 |========================================
2666MHz CL 18-18-18-18-43 1T . 339.13 |======================================
Ryza ......................... 325.61 |====================================


SciMark 2.0
Computational Test: Sparse Matrix Multiply
Mflops > Higher Is Better
3200MHz CL 16-18-18-18-38 1T . 809.59 |========================================
2666MHz CL 18-18-18-18-43 1T . 783.14 |=======================================
Ryza ......................... 776.80 |======================================


SciMark 2.0
Computational Test: Dense LU Matrix Factorization
Mflops > Higher Is Better
3200MHz CL 16-18-18-18-38 1T . 642.65 |===========================
2666MHz CL 18-18-18-18-43 1T . 645.23 |===========================
Ryza ......................... 968.02 |========================================


SciMark 2.0
Computational Test: Jacobi Successive Over-Relaxation
Mflops > Higher Is Better
3200MHz CL 16-18-18-18-38 1T . 1305.64 |======================================
2666MHz CL 18-18-18-18-43 1T . 1324.18 |=======================================
Ryza ......................... 1276.24 |======================================


Timed LLVM Compilation 10.0
Time To Compile
Seconds < Lower Is Better
3200MHz CL 16-18-18-18-38 1T . 417.28 |=======================================
2666MHz CL 18-18-18-18-43 1T . 430.58 |========================================
Ryza ......................... 375.47 |===================================


Xsbench 2017-07-06

Lookups/s > Higher Is Better
3200MHz CL 16-18-18-18-38 1T . 3509496 |=======================================
2666MHz CL 18-18-18-18-43 1T . 3352635 |=====================================
Ryza ......................... 3435154 |======================================


Kripke 1.2.4

Throughput FoM > Higher Is Better
3200MHz CL 16-18-18-18-38 1T . 92424237 |======================================
2666MHz CL 18-18-18-18-43 1T . 81082983 |=================================
Ryza ......................... 60411137 |=========================