zstd kernel cascade lake x Intel Core i9-10980XE testing with a ASRock X299 Steel Legend (P1.30 BIOS) and llvmpipe on Ubuntu 20.04 via the Phoronix Test Suite. 1: Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 OS: Ubuntu 20.04, Kernel: 5.11.0-rc2-phx (x86_64) 20210109, Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.9, OpenGL: 3.3 Mesa 20.0.8 (LLVM 10.0.0 256 bits), Compiler: GCC 9.3.0 + CUDA 11.1, File-System: ext4, Screen Resolution: 1024x768 2: Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 OS: Ubuntu 20.04, Kernel: 5.11.0-rc2-phx (x86_64) 20210109, Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.9, OpenGL: 3.3 Mesa 20.0.8 (LLVM 10.0.0 256 bits), Compiler: GCC 9.3.0 + CUDA 11.1, File-System: ext4, Screen Resolution: 1024x768 3: Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 OS: Ubuntu 20.04, Kernel: 5.11.0-rc2-phx (x86_64) 20210109, Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.9, OpenGL: 3.3 Mesa 20.0.8 (LLVM 10.0.0 256 bits), Compiler: GCC 9.3.0 + CUDA 11.1, File-System: ext4, Screen Resolution: 1024x768 4: Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 OS: Ubuntu 20.04, Kernel: 5.11.0-rc2-phx (x86_64) 20210109, Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.9, OpenGL: 3.3 Mesa 20.0.8 (LLVM 10.0.0 256 bits), Compiler: GCC 9.3.0 + CUDA 11.1, File-System: ext4, Screen Resolution: 1024x768 5: Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 OS: Ubuntu 20.04, Kernel: 5.11.0-rc2-phx (x86_64) 20210109, Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.9, OpenGL: 3.3 Mesa 20.0.8 (LLVM 10.0.0 256 bits), Compiler: GCC 9.3.0 + CUDA 11.1, File-System: ext4, Screen Resolution: 1024x768 6: Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 OS: Ubuntu 20.04, Kernel: 5.11.0-rc2-phx (x86_64) 20210109, Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.9, OpenGL: 3.3 Mesa 20.0.8 (LLVM 10.0.0 256 bits), Compiler: GCC 9.3.0 + CUDA 11.1, File-System: ext4, Screen Resolution: 1024x768 7: Processor: Intel Core i9-10980XE @ 4.80GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Steel Legend (P1.30 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 32GB, Disk: Samsung SSD 970 PRO 512GB, Graphics: llvmpipe, Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 OS: Ubuntu 20.04, Kernel: 5.11.0-rc2-phx (x86_64) 20210109, Desktop: GNOME Shell 3.36.4, Display Server: X Server 1.20.9, OpenGL: 3.3 Mesa 20.0.8 (LLVM 10.0.0 256 bits), Compiler: GCC 9.3.0 + CUDA 11.1, File-System: ext4, Screen Resolution: 1024x768 Zstd Compression 1.4.9 Compression Level: 3 - Compression Speed MB/s > Higher Is Better 1 . 3634.6 |=================================================================== 2 . 3619.2 |================================================================== 3 . 3614.6 |================================================================== 4 . 3607.6 |================================================================== 5 . 3641.1 |=================================================================== 6 . 3648.9 |=================================================================== 7 . 3642.5 |=================================================================== Zstd Compression 1.4.9 Compression Level: 3 - Decompression Speed MB/s > Higher Is Better 1 . 3670.8 |=================================================================== 2 . 3667.5 |=================================================================== 3 . 3673.3 |=================================================================== 4 . 3666.1 |=================================================================== 5 . 3668.4 |=================================================================== 6 . 3665.8 |=================================================================== 7 . 3668.7 |=================================================================== Zstd Compression 1.4.9 Compression Level: 8 - Compression Speed MB/s > Higher Is Better 1 . 564.0 |=================================================================== 2 . 554.8 |================================================================== 3 . 556.8 |================================================================== 4 . 554.8 |================================================================== 5 . 559.8 |=================================================================== 6 . 555.2 |================================================================== 7 . 572.2 |==================================================================== Zstd Compression 1.4.9 Compression Level: 8 - Decompression Speed MB/s > Higher Is Better 1 . 3617.5 |=================================================================== 2 . 3622.7 |=================================================================== 3 . 3617.2 |=================================================================== 4 . 3622.7 |=================================================================== 5 . 3615.8 |=================================================================== 6 . 3621.3 |=================================================================== 7 . 3623.0 |=================================================================== Zstd Compression 1.4.9 Compression Level: 19 - Compression Speed MB/s > Higher Is Better 1 . 59.3 |================================================================== 2 . 60.4 |==================================================================== 3 . 60.1 |=================================================================== 4 . 59.6 |=================================================================== 5 . 59.3 |================================================================== 6 . 61.7 |===================================================================== 7 . 60.6 |==================================================================== Zstd Compression 1.4.9 Compression Level: 19 - Decompression Speed MB/s > Higher Is Better 1 . 3132.4 |================================================================== 2 . 3146.6 |================================================================== 3 . 3172.7 |=================================================================== 4 . 3150.4 |=================================================================== 5 . 3155.6 |=================================================================== 6 . 3165.6 |=================================================================== 7 . 3155.8 |=================================================================== Zstd Compression 1.4.9 Compression Level: 3, Long Mode - Compression Speed MB/s > Higher Is Better 1 . 558.4 |================================================================== 2 . 573.1 |==================================================================== 3 . 559.3 |================================================================== 4 . 574.1 |==================================================================== 5 . 565.9 |=================================================================== 6 . 563.6 |=================================================================== 7 . 572.0 |==================================================================== Zstd Compression 1.4.9 Compression Level: 3, Long Mode - Decompression Speed MB/s > Higher Is Better 1 . 3883.8 |=================================================================== 2 . 3874.7 |=================================================================== 3 . 3878.3 |=================================================================== 4 . 3881.5 |=================================================================== 5 . 3882.2 |=================================================================== 6 . 3884.7 |=================================================================== 7 . 3879.6 |=================================================================== Zstd Compression 1.4.9 Compression Level: 8, Long Mode - Compression Speed MB/s > Higher Is Better 1 . 531.4 |=================================================================== 2 . 541.3 |==================================================================== 3 . 535.0 |=================================================================== 4 . 531.2 |=================================================================== 5 . 535.1 |=================================================================== 6 . 536.5 |=================================================================== 7 . 535.9 |=================================================================== Zstd Compression 1.4.9 Compression Level: 8, Long Mode - Decompression Speed MB/s > Higher Is Better 1 . 3803.8 |=================================================================== 2 . 3818.6 |=================================================================== 3 . 3815.9 |=================================================================== 4 . 3808.9 |=================================================================== 5 . 3809.7 |=================================================================== 6 . 3805.4 |=================================================================== 7 . 3819.3 |=================================================================== Zstd Compression 1.4.9 Compression Level: 19, Long Mode - Compression Speed MB/s > Higher Is Better 1 . 43.9 |===================================================================== 2 . 43.5 |==================================================================== 3 . 42.6 |=================================================================== 4 . 43.4 |==================================================================== 5 . 43.5 |==================================================================== 6 . 43.2 |==================================================================== 7 . 42.3 |================================================================== Zstd Compression 1.4.9 Compression Level: 19, Long Mode - Decompression Speed MB/s > Higher Is Better 1 . 3202.4 |=================================================================== 2 . 3208.0 |=================================================================== 3 . 3214.6 |=================================================================== 4 . 3211.2 |=================================================================== 5 . 3170.6 |================================================================== 6 . 3219.3 |=================================================================== 7 . 3218.6 |=================================================================== Timed Linux Kernel Compilation 5.10.20 Time To Compile Seconds < Lower Is Better 1 . 53.59 |==================================================================== 2 . 53.66 |==================================================================== 3 . 53.48 |==================================================================== 4 . 53.53 |==================================================================== 5 . 53.53 |==================================================================== 6 . 53.70 |==================================================================== 7 . 53.61 |====================================================================