zstd broadwell Intel Core i7-5775C testing with a ASUS Z97I-PLUS (2704 BIOS) and ASUS Intel Iris Pro 6200 on Ubuntu 20.04 via the Phoronix Test Suite. 1: Processor: Intel Core i7-5775C @ 3.70GHz (4 Cores / 8 Threads), Motherboard: MSI Z97-G45 GAMING (MS-7821) v1.0 (V2.9 BIOS), Chipset: Intel Broadwell-U DMI, Memory: 16GB, Disk: 120GB CT120BX100SSD1, Graphics: MSI Intel Iris Pro 6200 3GB (1150MHz), Audio: Intel Broadwell-U Audio, Monitor: DELL S2409W, Network: Qualcomm Atheros Killer E220x OS: Ubuntu 18.10, Kernel: 5.0.0-999-generic (x86_64) 20190223, Desktop: GNOME Shell 3.30.2, Display Server: X Server 1.20.1, OpenGL: 4.5 Mesa 19.2.0-devel (git-2631fd3 2019-07-24 cosmic-oibaf-ppa), Vulkan: 1.1.102, Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 2: Processor: Intel Core i7-5775C @ 3.70GHz (4 Cores / 8 Threads), Motherboard: MSI Z97-G45 GAMING (MS-7821) v1.0 (V2.9 BIOS), Chipset: Intel Broadwell-U DMI, Memory: 16GB, Disk: 120GB CT120BX100SSD1, Graphics: MSI Intel Iris Pro 6200 3GB (1150MHz), Audio: Intel Broadwell-U Audio, Monitor: DELL S2409W, Network: Qualcomm Atheros Killer E220x OS: Ubuntu 18.10, Kernel: 5.0.0-999-generic (x86_64) 20190223, Desktop: GNOME Shell 3.30.2, Display Server: X Server 1.20.1, OpenGL: 4.5 Mesa 19.2.0-devel (git-2631fd3 2019-07-24 cosmic-oibaf-ppa), Vulkan: 1.1.102, Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 3: Processor: Intel Core i7-5775C @ 3.70GHz (4 Cores / 8 Threads), Motherboard: MSI Z97-G45 GAMING (MS-7821) v1.0 (V2.9 BIOS), Chipset: Intel Broadwell-U DMI, Memory: 16GB, Disk: 120GB CT120BX100SSD1, Graphics: MSI Intel Iris Pro 6200 3GB (1150MHz), Audio: Intel Broadwell-U Audio, Monitor: DELL S2409W, Network: Qualcomm Atheros Killer E220x OS: Ubuntu 18.10, Kernel: 5.0.0-999-generic (x86_64) 20190223, Desktop: GNOME Shell 3.30.2, Display Server: X Server 1.20.1, OpenGL: 4.5 Mesa 19.2.0-devel (git-2631fd3 2019-07-24 cosmic-oibaf-ppa), Vulkan: 1.1.102, Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 4: Processor: Intel Core i7-5775C @ 3.70GHz (4 Cores / 8 Threads), Motherboard: MSI Z97-G45 GAMING (MS-7821) v1.0 (V2.9 BIOS), Chipset: Intel Broadwell-U DMI, Memory: 16GB, Disk: 120GB CT120BX100SSD1, Graphics: MSI Intel Iris Pro 6200 3GB (1150MHz), Audio: Intel Broadwell-U Audio, Monitor: DELL S2409W, Network: Qualcomm Atheros Killer E220x OS: Ubuntu 18.10, Kernel: 5.0.0-999-generic (x86_64) 20190223, Desktop: GNOME Shell 3.30.2, Display Server: X Server 1.20.1, OpenGL: 4.5 Mesa 19.2.0-devel (git-2631fd3 2019-07-24 cosmic-oibaf-ppa), Vulkan: 1.1.102, Compiler: GCC 8.3.0, File-System: ext4, Screen Resolution: 1920x1080 stock with undervolt: Processor: Intel Core i7-5775C @ 3.70GHz (4 Cores / 8 Threads), Motherboard: ASUS Z97I-PLUS (2704 BIOS), Chipset: Intel Broadwell-U DMI, Memory: 8GB, Disk: 128GB FCCT128M4SSD1, Graphics: ASUS Intel Iris Pro 6200 (1150MHz), Audio: Intel Broadwell-U Audio, Monitor: iScan Duo, Network: Intel I218-V OS: Ubuntu 20.04, Kernel: 5.4.0-67-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1080 Zstd Compression 1.4.9 Compression Level: 3 - Compression Speed MB/s > Higher Is Better 1 .................... 1503.6 |=============================================== 2 .................... 1508.1 |=============================================== 3 .................... 1520.1 |=============================================== 4 .................... 1512.3 |=============================================== stock with undervolt . 1551.9 |================================================ Zstd Compression 1.4.9 Compression Level: 3 - Decompression Speed MB/s > Higher Is Better 1 .................... 2840.2 |============================================== 2 .................... 2838.3 |============================================== 3 .................... 2833.3 |============================================== 4 .................... 2837.9 |============================================== stock with undervolt . 2944.8 |================================================ Zstd Compression 1.4.9 Compression Level: 8 - Compression Speed MB/s > Higher Is Better 1 .................... 346.9 |================================================= 2 .................... 348.1 |================================================= 3 .................... 345.7 |================================================= 4 .................... 342.2 |================================================ stock with undervolt . 349.0 |================================================= Zstd Compression 1.4.9 Compression Level: 8 - Decompression Speed MB/s > Higher Is Better 1 .................... 2900.8 |============================================== 2 .................... 2882.5 |============================================== 3 .................... 2895.4 |============================================== 4 .................... 2891.0 |============================================== stock with undervolt . 3020.8 |================================================ Zstd Compression 1.4.9 Compression Level: 19 - Compression Speed MB/s > Higher Is Better 1 .................... 21.5 |================================================= 2 .................... 21.5 |================================================= 3 .................... 21.3 |================================================ 4 .................... 21.2 |================================================ stock with undervolt . 22.1 |================================================== Zstd Compression 1.4.9 Compression Level: 19 - Decompression Speed MB/s > Higher Is Better 1 .................... 2637.2 |============================================== 2 .................... 2637.6 |============================================== 3 .................... 2630.6 |============================================== 4 .................... 2646.0 |============================================== stock with undervolt . 2746.0 |================================================ Zstd Compression 1.4.9 Compression Level: 3, Long Mode - Compression Speed MB/s > Higher Is Better 1 .................... 788.4 |========================================= 2 .................... 798.9 |========================================= 3 .................... 795.8 |========================================= 4 .................... 793.6 |========================================= stock with undervolt . 952.2 |================================================= Zstd Compression 1.4.9 Compression Level: 3, Long Mode - Decompression Speed MB/s > Higher Is Better 1 .................... 2971.8 |============================================== 2 .................... 2972.6 |============================================== 3 .................... 2999.6 |============================================== 4 .................... 2992.7 |============================================== stock with undervolt . 3108.2 |================================================ Zstd Compression 1.4.9 Compression Level: 8, Long Mode - Compression Speed MB/s > Higher Is Better 1 .................... 359.4 |================================================= 2 .................... 358.9 |================================================= 3 .................... 359.8 |================================================= 4 .................... 358.6 |================================================= stock with undervolt . 358.6 |================================================= Zstd Compression 1.4.9 Compression Level: 8, Long Mode - Decompression Speed MB/s > Higher Is Better 1 .................... 3072.4 |============================================== 2 .................... 3066.2 |============================================== 3 .................... 3069.5 |============================================== 4 .................... 3075.2 |============================================== stock with undervolt . 3199.0 |================================================ Zstd Compression 1.4.9 Compression Level: 19, Long Mode - Compression Speed MB/s > Higher Is Better 1 .................... 18.5 |================================================ 2 .................... 18.4 |================================================ 3 .................... 18.3 |================================================ 4 .................... 18.3 |================================================ stock with undervolt . 19.1 |================================================== Zstd Compression 1.4.9 Compression Level: 19, Long Mode - Decompression Speed MB/s > Higher Is Better 1 .................... 2685.4 |=============================================== 2 .................... 2680.4 |=============================================== 3 .................... 2682.2 |=============================================== 4 .................... 2688.9 |=============================================== stock with undervolt . 2766.5 |================================================