Ryzen 3700X SMT On vs Off Testing the performance improvement of SMT with AMD's Zen 2 architecture on a Ryzen 7 3700X, at a static clockspeed of 3.6 GHz for both configurations. SMT On: Processor: AMD Ryzen 7 3700X 8-Core @ 3.60GHz (8 Cores / 16 Threads), Motherboard: MSI B450 GAMING PRO CARBON AC (MS-7B85) v1.0 (1.B2 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: Samsung SSD 970 EVO 500GB + 1000GB Western Digital WD10EZEX-08W + 250GB Samsung SSD 850 + 4001GB Western Digital WD40EZRZ-00G, Graphics: MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1303/2000MHz), Audio: AMD Ellesmere HDMI Audio, Monitor: 24G1WG4 + VX228, Network: Intel I211 + Intel-AC 9260 OS: Solus 4.1, Kernel: 5.5.7-150.current (x86_64), Desktop: Budgie, Display Server: X Server 1.20.7, OpenGL: 4.5 Mesa 19.3.4 (LLVM 9.0.0), Vulkan: 1.1.107, Compiler: GCC 9.3.0 + Clang 9.0.1 + LLVM 9.0.1, File-System: ext4, Screen Resolution: 3840x1080 SMT Off: Processor: AMD Ryzen 7 3700X 8-Core @ 3.60GHz (8 Cores), Motherboard: MSI B450 GAMING PRO CARBON AC (MS-7B85) v1.0 (1.B2 BIOS), Chipset: AMD Starship/Matisse, Memory: 16GB, Disk: Samsung SSD 970 EVO 500GB + 1000GB Western Digital WD10EZEX-08W + 250GB Samsung SSD 850 + 4001GB Western Digital WD40EZRZ-00G, Graphics: MSI AMD Radeon RX 470/480/570/570X/580/580X/590 8GB (1303/2000MHz), Audio: AMD Ellesmere HDMI Audio, Monitor: 24G1WG4 + VX228, Network: Intel I211 + Intel-AC 9260 OS: Solus 4.1, Kernel: 5.5.7-150.current (x86_64), Desktop: Budgie, Display Server: X Server 1.20.7, OpenGL: 4.5 Mesa 19.3.4 (LLVM 9.0.0), Vulkan: 1.1.107, Compiler: GCC 9.3.0 + Clang 9.0.1 + LLVM 9.0.1, File-System: ext4, Screen Resolution: 3840x1080 Parboil 2.5 Test: OpenMP CUTCP Seconds < Lower Is Better SMT On .. 2.607903 |================================== SMT Off . 4.474394 |=========================================================== Rodinia 2.4 Test: OpenMP LavaMD Seconds < Lower Is Better SMT On .. 32.62 |======================================================= SMT Off . 36.57 |============================================================== Rodinia 2.4 Test: OpenMP CFD Solver Seconds < Lower Is Better SMT On .. 24.37 |======================================================== SMT Off . 26.79 |============================================================== NAMD 2.13 ATPase Simulation - 327,506 Atoms days/ns < Lower Is Better SMT On .. 2.30128 |================================================= SMT Off . 2.80660 |============================================================ GraphicsMagick 1.3.33 Operation: Resizing Iterations Per Minute > Higher Is Better SMT On .. 947 |================================================================ SMT Off . 916 |============================================================== OSPray 1.8.5 Demo: San Miguel - Renderer: SciVis FPS > Higher Is Better SMT On .. 12.05 |============================================================== SMT Off . 8.33 |=========================================== OSPray 1.8.5 Demo: XFrog Forest - Renderer: SciVis FPS > Higher Is Better SMT On .. 2.25 |=============================================================== SMT Off . 1.51 |========================================== OSPray 1.8.5 Demo: San Miguel - Renderer: Path Tracer FPS > Higher Is Better SMT On .. 0.94 |=============================================================== SMT Off . 0.64 |=========================================== OSPray 1.8.5 Demo: NASA Streamlines - Renderer: SciVis FPS > Higher Is Better SMT On .. 17.24 |============================================================== SMT Off . 11.36 |========================================= OSPray 1.8.5 Demo: XFrog Forest - Renderer: Path Tracer FPS > Higher Is Better SMT On .. 1.18 |=============================================================== SMT Off . 0.80 |=========================================== OSPray 1.8.5 Demo: Magnetic Reconnection - Renderer: SciVis FPS > Higher Is Better SMT On .. 8.13 |=============================================================== SMT Off . 6.06 |=============================================== OSPray 1.8.5 Demo: NASA Streamlines - Renderer: Path Tracer FPS > Higher Is Better SMT On .. 3.45 |=============================================================== SMT Off . 2.27 |========================================= OSPray 1.8.5 Demo: Magnetic Reconnection - Renderer: Path Tracer FPS > Higher Is Better SMT On .. 125.00 |============================================================= SMT Off . 111.11 |====================================================== TTSIOD 3D Renderer 2.3b Phong Rendering With Soft-Shadow Mapping FPS > Higher Is Better SMT On .. 469.12 |============================================================= SMT Off . 358.64 |=============================================== Embree 3.6.1 Binary: Pathtracer - Model: Crown Frames Per Second > Higher Is Better SMT On .. 9.7501 |============================================================= SMT Off . 6.1798 |======================================= Embree 3.6.1 Binary: Pathtracer ISPC - Model: Crown Frames Per Second > Higher Is Better SMT On .. 9.3327 |============================================================= SMT Off . 5.9502 |======================================= Embree 3.6.1 Binary: Pathtracer - Model: Asian Dragon Frames Per Second > Higher Is Better SMT On .. 10.9748 |============================================================ SMT Off . 7.1441 |======================================= Embree 3.6.1 Binary: Pathtracer - Model: Asian Dragon Obj Frames Per Second > Higher Is Better SMT On .. 9.7484 |============================================================= SMT Off . 6.3682 |======================================== Embree 3.6.1 Binary: Pathtracer ISPC - Model: Asian Dragon Frames Per Second > Higher Is Better SMT On .. 10.8801 |============================================================ SMT Off . 7.1729 |======================================== Embree 3.6.1 Binary: Pathtracer ISPC - Model: Asian Dragon Obj Frames Per Second > Higher Is Better SMT On .. 9.3736 |============================================================= SMT Off . 6.2254 |========================================= SVT-HEVC 1.4.1 1080p 8-bit YUV To HEVC Video Encode Frames Per Second > Higher Is Better SMT On .. 47.74 |============================================================== SMT Off . 37.06 |================================================ SVT-VP9 0.1 Tuning: VMAF Optimized - Input: Bosphorus 1080p Frames Per Second > Higher Is Better SMT On .. 144.35 |============================================================= SMT Off . 131.10 |======================================================= SVT-VP9 0.1 Tuning: PSNR/SSIM Optimized - Input: Bosphorus 1080p Frames Per Second > Higher Is Better SMT On .. 149.70 |============================================================= SMT Off . 134.65 |======================================================= SVT-VP9 0.1 Tuning: Visual Quality Optimized - Input: Bosphorus 1080p Frames Per Second > Higher Is Better SMT On .. 118.83 |============================================================= SMT Off . 108.59 |======================================================== x265 3.1.2 H.265 1080p Video Encoding Frames Per Second > Higher Is Better SMT On .. 51.96 |============================================================== SMT Off . 45.03 |====================================================== LuxCoreRender 2.3 Scene: DLSC M samples/sec > Higher Is Better SMT On .. 1.54 |=============================================================== SMT Off . 1.11 |============================================= LuxCoreRender 2.3 Scene: Rainbow Colors and Prism M samples/sec > Higher Is Better SMT On .. 1.69 |=============================================================== SMT Off . 1.25 |=============================================== 7-Zip Compression 16.02 Compress Speed Test MIPS > Higher Is Better SMT On .. 50055 |============================================================== SMT Off . 37390 |============================================== Stockfish 9 Total Time Nodes Per Second > Higher Is Better SMT On .. 24651921 |=========================================================== SMT Off . 17694689 |========================================== asmFish 2018-07-23 1024 Hash Memory, 26 Depth Nodes/second > Higher Is Better SMT On .. 25646877 |=========================================================== SMT Off . 17990670 |========================================= Swet 1.5.16 Average Operations Per Second > Higher Is Better SMT On .. 4913923987 |========================================================= SMT Off . 4852288974 |======================================================== Timed Linux Kernel Compilation 5.4 Time To Compile Seconds < Lower Is Better SMT On .. 78.05 |================================================= SMT Off . 99.17 |============================================================== Timed LLVM Compilation 6.0.1 Time To Compile Seconds < Lower Is Better SMT On .. 388.96 |================================================= SMT Off . 483.66 |============================================================= C-Ray 1.1 Total Time - 4K, 16 Rays Per Pixel Seconds < Lower Is Better SMT On .. 70.34 |========================================================= SMT Off . 75.91 |============================================================== Parallel BZIP2 Compression 1.1.12 256MB File Compression Seconds < Lower Is Better SMT On .. 3.687 |========================================== SMT Off . 5.391 |============================================================== POV-Ray 3.7.0.7 Trace Time Seconds < Lower Is Better SMT On .. 49.95 |============================================= SMT Off . 69.49 |============================================================== Primesieve 7.4 1e12 Prime Number Generation Seconds < Lower Is Better SMT On .. 25.41 |======================================================== SMT Off . 28.17 |============================================================== Smallpt 1.0 Global Illumination Renderer; 128 Samples Seconds < Lower Is Better SMT On .. 11.85 |============================================ SMT Off . 16.66 |============================================================== Tungsten Renderer 0.2.2 Scene: Hair Seconds < Lower Is Better SMT On .. 28.62 |========================================== SMT Off . 42.15 |============================================================== Tungsten Renderer 0.2.2 Scene: Water Caustic Seconds < Lower Is Better SMT On .. 30.36 |================================================ SMT Off . 39.36 |============================================================== Tungsten Renderer 0.2.2 Scene: Non-Exponential Seconds < Lower Is Better SMT On .. 9.16216 |======================================== SMT Off . 13.63580 |=========================================================== Tungsten Renderer 0.2.2 Scene: Volumetric Caustic Seconds < Lower Is Better SMT On .. 11.14 |=========================================== SMT Off . 15.99 |============================================================== PostgreSQL pgbench 12.0 Scaling: Buffer Test - Test: Normal Load - Mode: Read Only TPS > Higher Is Better SMT On .. 238324.85 |========================================================== SMT Off . 159592.94 |======================================= Blender 2.82 Blend File: BMW27 - Compute: CPU-Only Seconds < Lower Is Better SMT On .. 179.73 |========================================== SMT Off . 263.45 |============================================================= Blender 2.82 Blend File: Barbershop - Compute: CPU-Only Seconds < Lower Is Better SMT On .. 709.53 |======================================== SMT Off . 1071.55 |============================================================ Appleseed 2.0 Beta Scene: Emily Seconds < Lower Is Better SMT On .. 407.74 |========================================== SMT Off . 588.17 |============================================================= Appleseed 2.0 Beta Scene: Disney Material Seconds < Lower Is Better SMT On .. 252.20 |================================================ SMT Off . 322.19 |============================================================= Appleseed 2.0 Beta Scene: Material Tester Seconds < Lower Is Better SMT On .. 234.93 |=========================================== SMT Off . 331.51 |=============================================================