Windows Server 2016 VA vs. Ubuntu 18.04 LTS Mitigations

Intel Xeon E3-1280 v5 testing with Windows Server 2016 toggling kernel VA Shadow for Meltdown mitigation.

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Windows Server 2016 VA vs. Ubuntu 18.04 LTS Mitigations Intel Xeon E3-1280 v5 testing with Windows Server 2016 toggling kernel VA Shadow for Meltdown mitigation. ,,"No Mitigations","Kernel VA Shadow","Ubuntu 18.04 - Stock","Ubuntu 18.04 - nopti","Ubuntu 18.04 - nopti + spectre_v2=off","Ubuntu 18.04 + Linux 4.16","Ubuntu 18.04 + Linux 4.16 - nopti","Ubuntu 18.04 + Linux 4.16 - nopti + spectre_v2=off" Processor,,Intel Xeon E3-1280 v5 @ 3.70GHz (4 Cores / 8 Threads),Intel Xeon E3-1280 v5 @ 3.70GHz (4 Cores / 8 Threads),Intel Xeon E3-1280 v5 @ 4.00GHz (4 Cores / 8 Threads),Intel Xeon E3-1280 v5 @ 4.00GHz (4 Cores / 8 Threads),Intel Xeon E3-1280 v5 @ 4.00GHz (4 Cores / 8 Threads),Intel Xeon E3-1280 v5 @ 4.00GHz (4 Cores / 8 Threads),Intel Xeon E3-1280 v5 @ 4.00GHz (4 Cores / 8 Threads),Intel Xeon E3-1280 v5 @ 4.00GHz (4 Cores / 8 Threads) Motherboard,,MSI Z170A SLI PLUS (MS-7998),MSI Z170A SLI PLUS (MS-7998),MSI Z170A SLI PLUS (MS-7998) v1.0 (2.90 BIOS),MSI Z170A SLI PLUS (MS-7998) v1.0 (2.90 BIOS),MSI Z170A SLI PLUS (MS-7998) v1.0 (2.90 BIOS),MSI Z170A SLI PLUS (MS-7998) v1.0 (2.90 BIOS),MSI Z170A SLI PLUS (MS-7998) v1.0 (2.90 BIOS),MSI Z170A SLI PLUS (MS-7998) v1.0 (2.90 BIOS) Memory,,2 x 8192 MB 2133MHz Micron 9ASF1G72AZ-2G3A1,2 x 8192 MB 2133MHz Micron 9ASF1G72AZ-2G3A1,16384MB,16384MB,16384MB,16384MB,16384MB,16384MB Disk,,238GB TOSHIBA-RD400,238GB TOSHIBA-RD400,256GB TOSHIBA-RD400,256GB TOSHIBA-RD400,256GB TOSHIBA-RD400,256GB TOSHIBA-RD400,256GB TOSHIBA-RD400,256GB TOSHIBA-RD400 Graphics,,Microsoft Basic Display,Microsoft Basic Display,Sapphire AMD Radeon 4096MB,Sapphire AMD Radeon 4096MB,Sapphire AMD Radeon 4096MB,Sapphire AMD Radeon 4096MB,llvmpipe 16000MB,Sapphire AMD Radeon 4096MB Network,,ASIX AX88772B USB2.0 to Fast + Microsoft ISATAP,ASIX AX88772B USB2.0 to Fast + Microsoft ISATAP,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection,Intel Connection Chipset,,,,Intel Skylake,Intel Skylake,Intel Skylake,Intel Skylake,Intel Skylake,Intel Skylake Audio,,,,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150,Realtek ALC1150 Monitor,,,,Acer B286HK,Acer B286HK,Acer B286HK,Acer B286HK,,Acer B286HK OS,,Microsoft Windows Server 2016 Essentials Build 14393,Microsoft Windows Server 2016 Essentials Build 14393,Ubuntu 18.04,Ubuntu 18.04,Ubuntu 18.04,Ubuntu 18.04,Ubuntu 18.04,Ubuntu 18.04 Kernel,,10.0 (x86_64),10.0 (x86_64),4.15.0-13-generic (x86_64),4.15.0-13-generic (x86_64),4.15.0-13-generic (x86_64),4.16.0-999-generic (x86_64) 20180328,4.16.0-999-generic (x86_64) 20180328,4.16.0-999-generic (x86_64) 20180328 Display Driver,,10.0.14393.0,10.0.14393.0,modesetting 1.19.6,modesetting 1.19.6,modesetting 1.19.6,modesetting 1.19.6,modesetting 1.19.6,modesetting 1.19.6 File-System,,NTFS,NTFS,ext4,ext4,ext4,ext4,ext4,ext4 Screen Resolution,,1024x768,1024x768,3840x2160,3840x2160,3840x2160,3840x2160,1024x768,3840x2160 Desktop,,,,GNOME Shell 3.28.0,GNOME Shell 3.28.0,GNOME Shell 3.28.0,GNOME Shell 3.28.0,GNOME Shell 3.28.0,GNOME Shell 3.28.0 OpenGL,,,,4.5 Mesa 18.0.0-rc5 (LLVM 6.0.0),4.5 Mesa 18.0.0-rc5 (LLVM 6.0.0),4.5 Mesa 18.0.0-rc5 (LLVM 6.0.0),4.5 Mesa 18.0.0-rc5 (LLVM 6.0.0),3.3 Mesa 18.0.0-rc5 (LLVM 6.0 256 bits),4.5 Mesa 18.0.0-rc5 (LLVM 6.0.0) Compiler,,,,GCC 7.3.0,GCC 7.3.0,GCC 7.3.0,GCC 7.3.0,GCC 7.3.0,GCC 7.3.0 ,,"No Mitigations","Kernel VA Shadow","Ubuntu 18.04 - Stock","Ubuntu 18.04 - nopti","Ubuntu 18.04 - nopti + spectre_v2=off","Ubuntu 18.04 + Linux 4.16","Ubuntu 18.04 + Linux 4.16 - nopti","Ubuntu 18.04 + Linux 4.16 - nopti + spectre_v2=off" "ebizzy - (Records/s)",HIB,5359,4768,271051,260938,256322,261753,257575,276381 "OSBench - Test: Create Files (us/Event)",LIB,248.63,266.72,13.55,12.80,11.25,13.30,12.40,11.03 "CacheBench - Test: Read (MB/s)",HIB,7577.06,7095.36,3331.04,3347.09,3361.62,3349.48,3349.24,3370.85 "PHPBench - PHP Benchmark Suite (Score)",HIB,335634,317611,645778,647880,645293,640013,652306,645987 "OSBench - Test: Launch Programs (us/Event)",LIB,494.21,523.81,40.29,37.05,36.61,39.83,37.24,36.76 "IOzone - Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance (MB/s)",HIB,559.59,549.44,1018.52,796.15,889.23,866.19,823.60,905.01 "SQLite - Timed SQLite Insertions (sec)",LIB,108.31,114.04,71.83,66.57,76.25,74.53,64.23,63.85 "CacheBench - Test: Read / Modify / Write (MB/s)",HIB,45636.52,42855.85,28912.57,29269.20,28987.52,29447.19,28703.97,29291.52 "Timed LLVM Compilation - Time To Compile (sec)",LIB,929.71,934.84,741.02,735.34,734.00,739.77,736.10,735.33 "OSBench - Test: Memory Allocations (Ns/Event)",LIB,75.67,83.45,76.30,72.58,72.55,75.09,72.46,72.38 "PyBench - Total For Average Test Times (Milliseconds)",LIB,1395,1480,1289,1290,1286,1287,1287,1284 "Java SciMark - Computational Test: Dense LU Matrix Factorization (Mflops)",HIB,5942.70,5351.16,5974.44,6086.79,6050.75,6094.48,6130.97,6125.33 "GIMP - Test: resize (sec)",LIB,,,,,2.74,3.06,2.85,2.75 "Java SciMark - Computational Test: Composite (Mflops)",HIB,2469.16,2247.28,2433.57,2470.79,2428.62,2462.89,2477.61,2473.76 "Java SciMark - Computational Test: Monte Carlo (Mflops)",HIB,981.59,895.75,973.04,983.51,969.73,980.15,983.51,983.17 "Java SciMark - Computational Test: Sparse Matrix Multiply (Mflops)",HIB,2286.30,2098.07,2269.93,2293.98,2136.40,2290.97,2292.72,2292.47 "Java SciMark - Computational Test: Jacobi Successive Over-Relaxation (Mflops)",HIB,1546.06,1415.71,1438.30,1453.62,1443.71,1437.85,1449.41,1454.86 "GIMP - Test: unsharp-mask (sec)",LIB,,,,,9.93,10.83,10.03,9.93 "GIMP - Test: auto-levels (sec)",LIB,,,,,5.33,5.78,5.40,5.37 "Java SciMark - Computational Test: Fast Fourier Transform (Mflops)",HIB,1589.15,1475.70,1512.16,1536.05,1542.49,1510.99,1531.46,1512.96 "CacheBench - Test: Write (MB/s)",HIB,28034.53,26327.81,27691.79,27992.60,27073.39,28015.94,27374.16,27660.01 "Diskspd - Threads Per Target: 1 - Write Requests (Percent): 0 - Read Only - File Size: 1M - Block Size: 4KB (MB/s)",HIB,349.89,334.21,,,,,, "Diskspd - Threads Per Target: 1 - Write Requests (Percent): 0 - Read Only - File Size: 1M - Block Size: 4KB (IOPS)",HIB,89570.14,85559.17,,,,,, "Diskspd - Threads Per Target: 1 - Write Requests (Percent): 50 - File Size: 1M - Block Size: 4KB (MB/s)",HIB,3.73,3.58,,,,,, "Diskspd - Threads Per Target: 1 - Write Requests (Percent): 50 - File Size: 1M - Block Size: 4KB (IOPS)",HIB,954.71,916.62,,,,,, "Diskspd - Threads Per Target: 6 - Write Requests (Percent): 50 - File Size: 1M - Block Size: 4KB (MB/s)",HIB,3.90,3.75,,,,,, "Diskspd - Threads Per Target: 6 - Write Requests (Percent): 50 - File Size: 1M - Block Size: 4KB (IOPS)",HIB,997.52,960.34,,,,,, "GIMP - Test: unsharp-mask (sec)",LIB,20.65,21.30,,,,,, "Redis - Test: LPUSH (Reqs/sec)",HIB,905651.27,880130.04,,,,,, "GIMP - Test: auto-levels (sec)",LIB,14.57,14.82,,,,,, "GIMP - Test: resize (sec)",LIB,12.49,12.39,,,,,, "WinSAT - Test: Disk (MB/s)",HIB,114.27,111.83,,,,,,