uarchlevels Benchmaring various x86_64 microarcitecture levels O1_generic: Processor: Intel Core i3-7020U @ 2.30GHz (2 Cores / 4 Threads), Motherboard: HP 84CA (F.61 BIOS), Chipset: Intel Xeon E3-1200 v6/7th, Memory: 16GB, Disk: 1000GB Seagate ST1000LM035-1RK1 + 500GB HGST HTS545050A7, Graphics: Intel HD 620 3GB (1000MHz), Audio: Realtek ALC236, Network: Realtek RTL8111/8168/8411 + Realtek RTL8822BE 802.11a/b/g/n/ac OS: Ubuntu 20.04, Kernel: 5.8.0-44-generic (x86_64), Desktop: GNOME, Display Server: X Server 1.20.9, OpenGL: 4.6 Mesa 20.2.6, OpenCL: OpenCL 2.1, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1600x900 O3_generic: Processor: Intel Core i3-7020U @ 2.30GHz (2 Cores / 4 Threads), Motherboard: HP 84CA (F.61 BIOS), Chipset: Intel Xeon E3-1200 v6/7th, Memory: 16GB, Disk: 1000GB Seagate ST1000LM035-1RK1 + 500GB HGST HTS545050A7, Graphics: Intel HD 620 3GB (1000MHz), Audio: Realtek ALC236, Network: Realtek RTL8111/8168/8411 + Realtek RTL8822BE 802.11a/b/g/n/ac OS: Ubuntu 20.04, Kernel: 5.8.0-44-generic (x86_64), Desktop: GNOME, Display Server: X Server 1.20.9, OpenGL: 4.6 Mesa 20.2.6, OpenCL: OpenCL 2.1, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1600x900 O3_march_nehalem: Processor: Intel Core i3-7020U @ 2.30GHz (2 Cores / 4 Threads), Motherboard: HP 84CA (F.61 BIOS), Chipset: Intel Xeon E3-1200 v6/7th, Memory: 16GB, Disk: 1000GB Seagate ST1000LM035-1RK1 + 500GB HGST HTS545050A7, Graphics: Intel HD 620 3GB (1000MHz), Audio: Realtek ALC236, Network: Realtek RTL8111/8168/8411 + Realtek RTL8822BE 802.11a/b/g/n/ac OS: Ubuntu 20.04, Kernel: 5.8.0-44-generic (x86_64), Desktop: GNOME, Display Server: X Server 1.20.9, OpenGL: 4.6 Mesa 20.2.6, OpenCL: OpenCL 2.1, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1600x900 O3_march_haswell: Processor: Intel Core i3-7020U @ 2.30GHz (2 Cores / 4 Threads), Motherboard: HP 84CA (F.61 BIOS), Chipset: Intel Xeon E3-1200 v6/7th, Memory: 16GB, Disk: 1000GB Seagate ST1000LM035-1RK1 + 500GB HGST HTS545050A7, Graphics: Intel HD 620 3GB (1000MHz), Audio: Realtek ALC236, Network: Realtek RTL8111/8168/8411 + Realtek RTL8822BE 802.11a/b/g/n/ac OS: Ubuntu 20.04, Kernel: 5.8.0-44-generic (x86_64), Desktop: GNOME, Display Server: X Server 1.20.9, OpenGL: 4.6 Mesa 20.2.6, OpenCL: OpenCL 2.1, Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1600x900 default: Processor: AMD Ryzen 9 3900X 12-Core @ 6.08GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 UNIFY (MS-7C35) v2.0 (A.60 BIOS), Chipset: AMD Starship/Matisse, Memory: 64GB, Disk: 2 x 1000GB Samsung SSD 970 EVO Plus 1TB + 32GB SDDR-409, Graphics: ASUS NVIDIA GeForce GTX 970 4GB, Audio: NVIDIA GM204 HD Audio, Monitor: Acer X34, Network: Realtek RTL8125 2.5GbE OS: ManjaroLinux 20.2.1, Kernel: 5.10.19-1-MANJARO (x86_64), Display Server: X Server 1.20.10, Display Driver: NVIDIA 460.56, OpenGL: 4.6.0, Compiler: GCC 10.2.0, File-System: zfs, Screen Resolution: 3440x1440 default_O3_generic: Processor: AMD Ryzen 9 3900X 12-Core @ 6.08GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 UNIFY (MS-7C35) v2.0 (A.60 BIOS), Chipset: AMD Starship/Matisse, Memory: 64GB, Disk: 2 x 1000GB Samsung SSD 970 EVO Plus 1TB + 32GB SDDR-409, Graphics: ASUS NVIDIA GeForce GTX 970 4GB, Audio: NVIDIA GM204 HD Audio, Monitor: Acer X34, Network: Realtek RTL8125 2.5GbE OS: ManjaroLinux 20.2.1, Kernel: 5.10.19-1-MANJARO (x86_64), Display Server: X Server 1.20.10, Display Driver: NVIDIA 460.56, OpenGL: 4.6.0, Compiler: GCC 10.2.0, File-System: zfs, Screen Resolution: 3440x1440 default_O3_znver2: Processor: AMD Ryzen 9 3900X 12-Core @ 6.08GHz (12 Cores / 24 Threads), Motherboard: MSI MEG X570 UNIFY (MS-7C35) v2.0 (A.60 BIOS), Chipset: AMD Starship/Matisse, Memory: 64GB, Disk: 2 x 1000GB Samsung SSD 970 EVO Plus 1TB + 32GB SDDR-409, Graphics: ASUS NVIDIA GeForce GTX 970 4GB, Audio: NVIDIA GM204 HD Audio, Monitor: Acer X34, Network: Realtek RTL8125 2.5GbE OS: ManjaroLinux 20.2.1, Kernel: 5.10.19-1-MANJARO (x86_64), Display Server: X Server 1.20.10, Display Driver: NVIDIA 460.56, OpenGL: 4.6.0, Compiler: GCC 10.2.0, File-System: zfs, Screen Resolution: 3440x1440 GraphicsMagick 1.3.33 Operation: Swirl Iterations Per Minute > Higher Is Better O1_generic ......... 49 |=== O3_generic ......... 52 |==== O3_march_nehalem ... 54 |==== O3_march_haswell ... 57 |==== default ............ 724 |================================================= default_O3_generic . 732 |================================================== default_O3_znver2 .. 778 |===================================================== GraphicsMagick 1.3.33 Operation: Resizing Iterations Per Minute > Higher Is Better O1_generic ......... 96 |=== O3_generic ......... 126 |==== O3_march_nehalem ... 126 |==== O3_march_haswell ... 150 |===== default ............ 1269 |============================================= default_O3_generic . 1301 |============================================== default_O3_znver2 .. 1474 |==================================================== GraphicsMagick 1.3.33 Operation: HWB Color Space Iterations Per Minute > Higher Is Better O1_generic ......... 218 |========== O3_generic ......... 234 |=========== O3_march_nehalem ... 236 |=========== O3_march_haswell ... 239 |=========== default ............ 1099 |================================================== default_O3_generic . 1099 |================================================== default_O3_znver2 .. 1147 |==================================================== Coremark 1.0 CoreMark Size 666 - Iterations Per Second Iterations/Sec > Higher Is Better O1_generic ......... 40334.10 |=== O3_generic ......... 50519.83 |==== O3_march_nehalem ... 49839.90 |==== O3_march_haswell ... 49174.76 |==== default ............ 581063.66 |============================================== default_O3_generic . 588334.68 |=============================================== default_O3_znver2 .. 583717.85 |=============================================== SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better O1_generic ......... 927.06 |============= O3_generic ......... 1133.33 |================ O3_march_nehalem ... 1133.41 |================ O3_march_haswell ... 1268.60 |================== default ............ 722.99 |========== default_O3_generic . 3051.72 |========================================== default_O3_znver2 .. 3527.86 |================================================= SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better O1_generic ......... 450.59 |============================= O3_generic ......... 486.48 |=============================== O3_march_nehalem ... 486.17 |=============================== O3_march_haswell ... 499.80 |================================ default ............ 157.76 |========== default_O3_generic . 778.08 |================================================== default_O3_znver2 .. 781.71 |================================================== SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better O1_generic ......... 289.48 |========================================= O3_generic ......... 297.83 |========================================== O3_march_nehalem ... 296.41 |========================================== O3_march_haswell ... 308.65 |=========================================== default ............ 356.20 |================================================== default_O3_generic . 304.79 |=========================================== default_O3_znver2 .. 268.59 |====================================== SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better O1_generic ......... 1430.11 |==================== O3_generic ......... 1473.46 |==================== O3_march_nehalem ... 1472.93 |==================== O3_march_haswell ... 1513.98 |===================== default ............ 799.90 |=========== default_O3_generic . 3536.95 |================================================= default_O3_znver2 .. 3346.71 |============================================== SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better O1_generic ......... 1805.39 |======== O3_generic ......... 2546.58 |=========== O3_march_nehalem ... 2549.52 |=========== O3_march_haswell ... 2871.60 |============= default ............ 991.05 |==== default_O3_generic . 8484.37 |===================================== default_O3_znver2 .. 10983.14 |================================================ SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better O1_generic ......... 659.73 |============== O3_generic ......... 862.30 |=================== O3_march_nehalem ... 862.01 |=================== O3_march_haswell ... 1148.98 |========================= default ............ 1310.01 |============================ default_O3_generic . 2154.40 |=============================================== default_O3_znver2 .. 2259.15 |================================================= Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better O1_generic ......... 780.04 |======= O3_generic ......... 1965.66 |=================== O3_march_nehalem ... 1964.83 |=================== O3_march_haswell ... 2218.25 |===================== default ............ 5170.34 |================================================= default_O3_generic . 5153.91 |================================================= default_O3_znver2 .. 5107.17 |================================================ John The Ripper 1.9.0-jumbo-1 Test: Blowfish Real C/S > Higher Is Better O1_generic ......... 2050 |===== O3_generic ......... 2179 |===== O3_march_nehalem ... 2167 |===== O3_march_haswell ... 2180 |===== default ............ 17754 |======================================= default_O3_generic . 22994 |=================================================== default_O3_znver2 .. 17573 |======================================= John The Ripper 1.9.0-jumbo-1 Test: MD5 Real C/S > Higher Is Better O1_generic ......... 56631 |=== O3_generic ......... 57288 |=== O3_march_nehalem ... 57299 |=== O3_march_haswell ... 128507 |======= default ............ 972034 |================================================== default_O3_generic . 448859 |======================= default_O3_znver2 .. 967833 |================================================== C-Ray 1.1 Total Time - 4K, 16 Rays Per Pixel Seconds < Lower Is Better O1_generic ......... 1180.11 |================================================= O3_generic ......... 560.26 |======================= O3_march_nehalem ... 560.00 |======================= O3_march_haswell ... 412.02 |================= default ............ 42.78 |== default_O3_generic . 42.75 |== default_O3_znver2 .. 38.25 |== FLAC Audio Encoding 1.3.2 WAV To FLAC Seconds < Lower Is Better O1_generic ......... 21.276 |================================================== O3_generic ......... 20.736 |================================================= O3_march_nehalem ... 19.209 |============================================= O3_march_haswell ... 19.150 |============================================= default ............ 7.611 |================== default_O3_generic . 7.601 |================== default_O3_znver2 .. 7.987 |===================