Pre Post Spectre Meltdown Linux Distribution Testing Tests for a future article by Michael Larabel. CentOS 7: Pre: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0606 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: Samsung SSD 950 PRO 256GB, Graphics: LLVMpipe, Audio: Realtek Generic, Network: Intel Connection OS: CentOS Linux 7, Kernel: 3.10.0-693.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.22.3, Display Server: X Server 1.19.3, Display Driver: modesetting 1.19.3, OpenGL: 2.1 Mesa 17.0.1 Gallium 0.4 (LLVM 3.9 256 bits), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768 CentOS 7: Post: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0606 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: Samsung SSD 950 PRO 256GB, Graphics: LLVMpipe, Audio: Realtek Generic, Network: Intel Connection OS: CentOS Linux 7, Kernel: 3.10.0-693.11.6.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.22.3, Display Server: X Server 1.19.3, Display Driver: modesetting 1.19.3, OpenGL: 2.1 Mesa 17.0.1 Gallium 0.4 (LLVM 3.9 256 bits), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768 Clear Linux: Pre: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0606 BIOS), Chipset: Intel Device 3ec2, Memory: 2 x 8192 MB DDR4-3000MT/s, Disk: Samsung SSD 950 PRO 256GB, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Clear Linux OS 20190, Kernel: 4.14.12-501.native (x86_64), Vulkan: 1.0.39, Compiler: GCC 7.2.1 20171126 + Clang 5.0.1 + LLVM 5.0.1, File-System: ext4, Screen Resolution: 1024x768 Clear Linux: Post: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0606 BIOS), Chipset: Intel Device 3ec2, Memory: 2 x 8192 MB DDR4-3000MT/s, Disk: Samsung SSD 950 PRO 256GB, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Clear Linux OS 20310, Kernel: 4.14.13-508.native (x86_64), Vulkan: 1.0.39, Compiler: GCC 7.2.1 20171126 + Clang 5.0.1 + LLVM 5.0.1, File-System: ext4, Screen Resolution: 1024x768 Debian 9: Pre: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0606 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: Samsung SSD 950 PRO 256GB, Graphics: LLVMpipe, Audio: Realtek Generic, Network: Intel Connection OS: Debian 9.3, Kernel: 4.9.0-4-amd64 (x86_64), Desktop: GNOME Shell 3.22.3, Display Driver: modesetting 1.19.2, OpenGL: 3.3 Mesa 13.0.6 Gallium 0.4 (LLVM 3.9 256 bits), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768 Debian 9: Post: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0606 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: Samsung SSD 950 PRO 256GB, Graphics: LLVMpipe, Audio: Realtek Generic, Network: Intel Connection OS: Debian 9.3, Kernel: 4.9.0-5-amd64 (x86_64), Desktop: GNOME Shell 3.22.3, Display Driver: modesetting 1.19.2, OpenGL: 3.3 Mesa 13.0.6 Gallium 0.4 (LLVM 3.9 256 bits), Compiler: GCC 6.3.0 20170516, File-System: ext4, Screen Resolution: 1024x768 openSUSE 42.3: Pre: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0606 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 16GB Voyager 3.0 + Samsung SSD 950 PRO 256GB, Graphics: LLVMpipe, Audio: Realtek Generic, Network: Intel Connection OS: openSUSE 42.3, Kernel: 4.4.76-1-default (x86_64), Desktop: KDE Plasma 5.8.7, Display Server: X Server 1.18.3, Display Driver: modesetting 1.18.3, OpenGL: 3.3 Mesa 17.0.5 Gallium 0.4 (LLVM 3.8 256 bits), Compiler: GCC 4.8.5, File-System: xfs, Screen Resolution: 1024x768 openSUSE 42.3: Post: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0606 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: 16GB Voyager 3.0 + Samsung SSD 950 PRO 256GB, Graphics: LLVMpipe, Audio: Realtek ALC1220, Network: Intel Connection OS: openSUSE 42.3, Kernel: 4.4.104-39-default (x86_64), Desktop: KDE Plasma 5.8.7, Display Server: X Server 1.18.3, Display Driver: modesetting 1.18.3, OpenGL: 3.3 Mesa 17.0.5 Gallium 0.4 (LLVM 3.8 256 bits), Compiler: GCC 4.8.5, File-System: xfs, Screen Resolution: 1024x768 Ubuntu 17.10: Pre: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0606 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: Samsung SSD 950 PRO 256GB, Graphics: EFI VGA, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 17.10, Kernel: 4.13.0-16-generic (x86_64), Desktop: GNOME Shell 3.26.1, Display Driver: modesetting 1.19.5, OpenGL: 3.3 Mesa 17.2.2 (LLVM 5.0 256 bits), Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1024x768 Ubuntu 17.10: Post: Processor: Intel Core i7-8700K @ 4.70GHz (6 Cores / 12 Threads), Motherboard: ASUS PRIME Z370-A (0606 BIOS), Chipset: Intel Device 3ec2, Memory: 16384MB, Disk: Samsung SSD 950 PRO 256GB, Graphics: llvmpipe 16000MB, Audio: Realtek ALC1220, Network: Intel Connection OS: Ubuntu 17.10, Kernel: 4.13.0-25-generic (x86_64), Desktop: GNOME Shell 3.26.2, Display Driver: modesetting 1.19.5, OpenGL: 3.3 Mesa 17.2.2 (LLVM 5.0 256 bits), Compiler: GCC 7.2.0, File-System: ext4, Screen Resolution: 1024x768 Purley-2S meltdown test on RHEL7.5 SP5: Processor: 2 x Intel Xeon Platinum 8168 @ 3.70GHz (48 Cores / 96 Threads), Motherboard: Intel S2600WFD (SE5C620.86B.0X.01.0007.062120172125 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 386048MB, Disk: 800GB INTEL SSDSC2BA80 + 200GB INTEL SSDPEDMD200G4, Graphics: ASPEED ASPEED Family, Monitor: Smart Cable, Network: Intel Connection X722 for 10GBASE-T OS: Red Hat Enterprise Linux Server 7.5 Beta, Kernel: 3.10.0-851.el7.x86_64 (x86_64), Desktop: GNOME Shell 3.25.4, Display Driver: modesetting 1.19.5, Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1024x768 SQLite 3.8.10.2 Test Target: Default Test Directory Seconds < Lower Is Better CentOS 7: Pre .......................... 86.41 |============================== CentOS 7: Post ......................... 88.22 |=============================== Clear Linux: Pre ....................... 62.88 |====================== Clear Linux: Post ...................... 62.65 |====================== Debian 9: Pre .......................... 67.01 |======================== Debian 9: Post ......................... 66.43 |======================= openSUSE 42.3: Pre ..................... 63.61 |====================== openSUSE 42.3: Post .................... 65.96 |======================= Ubuntu 17.10: Pre ...................... 67.98 |======================== Ubuntu 17.10: Post ..................... 66.55 |======================= Purley-2S meltdown test on RHEL7.5 SP5 . 8.50 |=== FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better CentOS 7: Pre ...... 127.87 |=========================================== CentOS 7: Post ..... 118.73 |======================================== Clear Linux: Pre ... 147.87 |================================================== Clear Linux: Post .. 145.50 |================================================= Debian 9: Pre ...... 117.27 |======================================== Debian 9: Post ..... 115.20 |======================================= Ubuntu 17.10: Pre .. 116.03 |======================================= Ubuntu 17.10: Post . 113.53 |====================================== FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better CentOS 7: Pre ...... 125.34 |=========================================== CentOS 7: Post ..... 115.03 |======================================= Clear Linux: Pre ... 147.40 |================================================== Clear Linux: Post .. 145.97 |================================================== Debian 9: Pre ...... 117.17 |======================================== Debian 9: Post ..... 114.27 |======================================= Ubuntu 17.10: Pre .. 116.13 |======================================= Ubuntu 17.10: Post . 114.20 |======================================= Compile Bench 0.6 Test: Compile MB/s > Higher Is Better CentOS 7: Pre .......................... 1285.82 |=============== CentOS 7: Post ......................... 1175.49 |============= Clear Linux: Pre ....................... 2534.75 |============================= Clear Linux: Post ...................... 2380.94 |=========================== Debian 9: Pre .......................... 1569.26 |================== Debian 9: Post ......................... 1575.99 |================== openSUSE 42.3: Pre ..................... 1549.18 |================== openSUSE 42.3: Post .................... 1406.99 |================ Ubuntu 17.10: Pre ...................... 1561.36 |================== Ubuntu 17.10: Post ..................... 1545.41 |================== Purley-2S meltdown test on RHEL7.5 SP5 . 1563.54 |================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better CentOS 7: Pre .......................... 244.31 |========== CentOS 7: Post ......................... 194.47 |======== Clear Linux: Pre ....................... 705.84 |============================== Clear Linux: Post ...................... 641.04 |=========================== Debian 9: Pre .......................... 641.33 |=========================== Debian 9: Post ......................... 610.66 |========================== openSUSE 42.3: Pre ..................... 406.16 |================= openSUSE 42.3: Post .................... 333.14 |============== Ubuntu 17.10: Pre ...................... 699.29 |============================== Ubuntu 17.10: Post ..................... 662.20 |============================ Purley-2S meltdown test on RHEL7.5 SP5 . 221.36 |========= Rodinia 2.4 Test: OpenMP LavaMD Seconds < Lower Is Better CentOS 7: Pre .......................... 132.62 |============================== CentOS 7: Post ......................... 132.68 |============================== Clear Linux: Pre ....................... 45.59 |========== Clear Linux: Post ...................... 45.54 |========== Debian 9: Pre .......................... 101.67 |======================= Debian 9: Post ......................... 101.76 |======================= openSUSE 42.3: Pre ..................... 102.52 |======================= openSUSE 42.3: Post .................... 103.36 |======================= Ubuntu 17.10: Pre ...................... 107.36 |======================== Ubuntu 17.10: Post ..................... 108.03 |======================== Purley-2S meltdown test on RHEL7.5 SP5 . 23.04 |===== Rodinia 2.4 Test: OpenMP CFD Solver Seconds < Lower Is Better CentOS 7: Pre .......................... 38.40 |=============================== CentOS 7: Post ......................... 38.02 |============================== Clear Linux: Pre ....................... 29.69 |======================== Clear Linux: Post ...................... 29.73 |======================== Debian 9: Pre .......................... 28.94 |======================= Debian 9: Post ......................... 29.06 |======================= openSUSE 42.3: Pre ..................... 38.15 |=============================== openSUSE 42.3: Post .................... 38.71 |=============================== Ubuntu 17.10: Pre ...................... 29.59 |======================== Ubuntu 17.10: Post ..................... 29.55 |======================== Purley-2S meltdown test on RHEL7.5 SP5 . 10.26 |======== Go Benchmarks Test: json Nanoseconds/Operation < Lower Is Better CentOS 7: Pre .......................... 8034144 |============================= CentOS 7: Post ......................... 8014876 |============================= Clear Linux: Pre ....................... 7453168 |=========================== Clear Linux: Post ...................... 7474093 |=========================== Debian 9: Pre .......................... 7643710 |============================ Debian 9: Post ......................... 7645634 |============================ openSUSE 42.3: Pre ..................... 7588759 |=========================== openSUSE 42.3: Post .................... 7585730 |=========================== Ubuntu 17.10: Pre ...................... 7926889 |============================= Ubuntu 17.10: Post ..................... 7941966 |============================= Purley-2S meltdown test on RHEL7.5 SP5 . 2324577 |======== Go Benchmarks Test: build Nanoseconds/Operation < Lower Is Better CentOS 7: Pre .......................... 10442909166 |=================== CentOS 7: Post ......................... 10741740856 |==================== Clear Linux: Pre ....................... 10405807806 |=================== Clear Linux: Post ...................... 10505521927 |=================== Debian 9: Pre .......................... 9476598061 |================== Debian 9: Post ......................... 9663695381 |================== openSUSE 42.3: Pre ..................... 9400836351 |================= openSUSE 42.3: Post .................... 9935141827 |================== Ubuntu 17.10: Pre ...................... 10487660741 |=================== Ubuntu 17.10: Post ..................... 10604300844 |==================== Purley-2S meltdown test on RHEL7.5 SP5 . 13482675926 |========================= Go Benchmarks Test: garbage Nanoseconds/Operation < Lower Is Better CentOS 7: Pre .......................... 1564183 |============================ CentOS 7: Post ......................... 1562719 |============================ Clear Linux: Pre ....................... 1551403 |============================ Clear Linux: Post ...................... 1548153 |============================ Debian 9: Pre .......................... 1626242 |============================= Debian 9: Post ......................... 1627257 |============================= openSUSE 42.3: Pre ..................... 1600830 |============================= openSUSE 42.3: Post .................... 1621668 |============================= Ubuntu 17.10: Pre ...................... 1553381 |============================ Ubuntu 17.10: Post ..................... 1552980 |============================ Purley-2S meltdown test on RHEL7.5 SP5 . 1070921 |=================== John The Ripper 1.8.0 Test: Blowfish Real C/S > Higher Is Better CentOS 7: Pre .......................... 12654 |===== CentOS 7: Post ......................... 12717 |===== Clear Linux: Pre ....................... 12145 |===== Clear Linux: Post ...................... 12139 |===== Debian 9: Pre .......................... 13334 |===== Debian 9: Post ......................... 13320 |===== openSUSE 42.3: Pre ..................... 12667 |===== openSUSE 42.3: Post .................... 12673 |===== Ubuntu 17.10: Pre ...................... 12745 |===== Ubuntu 17.10: Post ..................... 12732 |===== Purley-2S meltdown test on RHEL7.5 SP5 . 77337 |=============================== x264 2017-09-08 H.264 Video Encoding Frames Per Second > Higher Is Better CentOS 7: Pre ....... 308.00 |=============================================== CentOS 7: Post ...... 307.01 |=============================================== Clear Linux: Pre .... 316.68 |================================================ Clear Linux: Post ... 315.66 |================================================ Debian 9: Pre ....... 316.42 |================================================ Debian 9: Post ...... 312.55 |================================================ openSUSE 42.3: Pre .. 320.10 |================================================= openSUSE 42.3: Post . 312.64 |================================================ Ubuntu 17.10: Pre ... 316.32 |================================================ Ubuntu 17.10: Post .. 313.44 |================================================ Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better CentOS 7: Pre .......................... 2995.55 |=========================== CentOS 7: Post ......................... 2983.48 |=========================== Clear Linux: Pre ....................... 3134.35 |============================ Clear Linux: Post ...................... 3078.27 |============================ Debian 9: Pre .......................... 3175.60 |============================= Debian 9: Post ......................... 3202.30 |============================= openSUSE 42.3: Pre ..................... 2993.84 |=========================== openSUSE 42.3: Post .................... 3003.20 |=========================== Ubuntu 17.10: Pre ...................... 3225.04 |============================= Ubuntu 17.10: Post ..................... 3085.09 |============================ Purley-2S meltdown test on RHEL7.5 SP5 . 2394.63 |====================== FFmpeg 3.3.3 H.264 HD To NTSC DV Seconds < Lower Is Better CentOS 7: Pre ....... 4.14 |================================================= CentOS 7: Post ...... 4.15 |================================================== Clear Linux: Pre .... 4.10 |================================================= Clear Linux: Post ... 4.13 |================================================= Debian 9: Pre ....... 3.86 |============================================== Debian 9: Post ...... 3.97 |=============================================== openSUSE 42.3: Pre .. 3.88 |============================================== openSUSE 42.3: Post . 3.92 |=============================================== Ubuntu 17.10: Pre ... 4.27 |=================================================== Ubuntu 17.10: Post .. 4.24 |=================================================== Perl Benchmarks Test: Pod2html seconds < Lower Is Better CentOS 7: Pre .......................... 0.11199861 |===================== CentOS 7: Post ......................... 0.13012807 |======================== Clear Linux: Pre ....................... 0.10254018 |=================== Clear Linux: Post ...................... 0.10442820 |=================== Debian 9: Pre .......................... 0.10547122 |=================== Debian 9: Post ......................... 0.10371142 |=================== openSUSE 42.3: Pre ..................... 0.10652177 |==================== openSUSE 42.3: Post .................... 0.10829974 |==================== Ubuntu 17.10: Pre ...................... 0.10102962 |=================== Ubuntu 17.10: Post ..................... 0.10362485 |=================== Purley-2S meltdown test on RHEL7.5 SP5 . 0.14113509 |========================== Perl Benchmarks Test: Interpreter seconds < Lower Is Better CentOS 7: Pre .......................... 0.00091138 |======= CentOS 7: Post ......................... 0.00124165 |========= Clear Linux: Pre ....................... 0.00080885 |====== Clear Linux: Post ...................... 0.00082242 |====== Debian 9: Pre .......................... 0.00261971 |==================== Debian 9: Post ......................... 0.00223628 |================= openSUSE 42.3: Pre ..................... 0.00291647 |====================== openSUSE 42.3: Post .................... 0.00290721 |====================== Ubuntu 17.10: Pre ...................... 0.00197847 |=============== Ubuntu 17.10: Post ..................... 0.00344969 |========================== Purley-2S meltdown test on RHEL7.5 SP5 . 0.00164512 |============ PostgreSQL pgbench 10.0 Scaling: Buffer Test - Test: Normal Load - Mode: Read Write TPS > Higher Is Better CentOS 7: Pre .......................... 4179.06 |============= CentOS 7: Post ......................... 3907.14 |============ Clear Linux: Pre ....................... 5674.79 |================== Clear Linux: Post ...................... 5667.42 |================== Debian 9: Pre .......................... 4017.78 |============ Debian 9: Post ......................... 4021.09 |============ openSUSE 42.3: Pre ..................... 3931.91 |============ openSUSE 42.3: Post .................... 4038.45 |============ Ubuntu 17.10: Pre ...................... 4603.23 |============== Ubuntu 17.10: Post ..................... 4592.03 |============== Purley-2S meltdown test on RHEL7.5 SP5 . 9378.58 |============================= Redis 3.0.1 Test: GET Requests Per Second > Higher Is Better CentOS 7: Pre .......................... 2697872.33 |================== CentOS 7: Post ......................... 2087996.41 |============== Clear Linux: Pre ....................... 3686050.83 |========================= Clear Linux: Post ...................... 3699718.08 |========================= Debian 9: Pre .......................... 3265723.00 |====================== Debian 9: Post ......................... 2865765.50 |=================== openSUSE 42.3: Pre ..................... 3151602.42 |===================== openSUSE 42.3: Post .................... 2427175.92 |================ Ubuntu 17.10: Pre ...................... 3901502.58 |========================== Ubuntu 17.10: Post ..................... 3262545.50 |====================== Purley-2S meltdown test on RHEL7.5 SP5 . 1637581.84 |=========== Redis 3.0.1 Test: SET Requests Per Second > Higher Is Better CentOS 7: Pre .......................... 1997466.83 |================== CentOS 7: Post ......................... 1718226.58 |================ Clear Linux: Pre ....................... 2827586.33 |========================== Clear Linux: Post ...................... 2609239.75 |======================== Debian 9: Pre .......................... 2257359.33 |===================== Debian 9: Post ......................... 2219186.67 |==================== openSUSE 42.3: Pre ..................... 2288424.83 |===================== openSUSE 42.3: Post .................... 1937080.92 |================== Ubuntu 17.10: Pre ...................... 2666780.50 |========================= Ubuntu 17.10: Post ..................... 2518564.33 |======================= Purley-2S meltdown test on RHEL7.5 SP5 . 1249963.47 |=========== PyBench 2008-08-14 Total For Average Test Times Milliseconds < Lower Is Better CentOS 7: Pre .......................... 1295 |========================= CentOS 7: Post ......................... 1303 |========================= Clear Linux: Pre ....................... 958 |================== Clear Linux: Post ...................... 960 |================== Debian 9: Pre .......................... 1123 |===================== Debian 9: Post ......................... 1123 |===================== openSUSE 42.3: Pre ..................... 1153 |====================== openSUSE 42.3: Post .................... 1152 |====================== Ubuntu 17.10: Pre ...................... 1028 |==================== Ubuntu 17.10: Post ..................... 1030 |==================== Purley-2S meltdown test on RHEL7.5 SP5 . 1675 |================================ Apache Benchmark 2.4.7 Static Web Page Serving Requests Per Second > Higher Is Better CentOS 7: Pre .......................... 24754.11 |============== CentOS 7: Post ......................... 18323.62 |=========== Clear Linux: Pre ....................... 45033.58 |========================== Clear Linux: Post ...................... 37896.86 |====================== Ubuntu 17.10: Pre ...................... 48252.42 |============================ Ubuntu 17.10: Post ..................... 45479.59 |========================== Purley-2S meltdown test on RHEL7.5 SP5 . 16518.56 |========== PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better CentOS 7: Pre .......................... 260735 |========== CentOS 7: Post ......................... 261792 |========== Clear Linux: Pre ....................... 773298 |============================== Clear Linux: Post ...................... 768737 |============================== Debian 9: Pre .......................... 588852 |======================= Debian 9: Post ......................... 589602 |======================= Ubuntu 17.10: Pre ...................... 673049 |========================== Ubuntu 17.10: Post ..................... 671051 |========================== Purley-2S meltdown test on RHEL7.5 SP5 . 204760 |======== Systemd Total Boot Time Test: Total ms < Lower Is Better Clear Linux: Pre ....................... 13410.70 |========== Clear Linux: Post ...................... 13491.40 |========== Debian 9: Pre .......................... 25557.00 |================== Debian 9: Post ......................... 25133.00 |================== Ubuntu 17.10: Pre ...................... 38700.00 |============================ Purley-2S meltdown test on RHEL7.5 SP5 . 36537.00 |========================== Systemd Total Boot Time Test: Userspace ms < Lower Is Better Clear Linux: Pre ....................... 324.90 | Clear Linux: Post ...................... 395.00 | Debian 9: Pre .......................... 9271.00 |========= Debian 9: Post ......................... 9593.00 |========== Ubuntu 17.10: Pre ...................... 21260.00 |===================== Purley-2S meltdown test on RHEL7.5 SP5 . 27846.00 |============================ Systemd Total Boot Time Test: Kernel ms < Lower Is Better Clear Linux: Pre ....................... 737.20 |===== Clear Linux: Post ...................... 742.30 |===== Debian 9: Pre .......................... 1752.00 |============ Debian 9: Post ......................... 1434.00 |========= Ubuntu 17.10: Pre ...................... 2780.00 |================== Purley-2S meltdown test on RHEL7.5 SP5 . 4378.00 |============================= Systemd Total Boot Time Test: Loader ms < Lower Is Better Clear Linux: Pre .. 20.10 | Clear Linux: Post . 19.40 | Debian 9: Pre ..... 2216.00 |=============================================== Debian 9: Post .... 1806.00 |====================================== Ubuntu 17.10: Pre . 2360.00 |================================================== Systemd Total Boot Time Test: Firmware ms < Lower Is Better Clear Linux: Pre .. 12328.50 |================================================= Clear Linux: Post . 12334.60 |================================================= Debian 9: Pre ..... 12316.00 |================================================= Debian 9: Post .... 12299.00 |================================================= Ubuntu 17.10: Pre . 12300.00 |=================================================