DragonFlyBSD 5.2 Mitigation Tests Intel Xeon E3-1280 v5 testing with a MSI MS-7998 1.0 and llvmpipe 16384MB on FreeBSD via the Phoronix Test Suite. Meltdown Mitigation: Processor: Intel Xeon E3-1280 v5 @ 3.70GHz (4 Cores / 8 Threads), Motherboard: MSI MS-7998 1.0, Chipset: Intel Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Registers, Memory: 16384MB, Disk: NVME-PCIe, Network: Intel PRO/1000 Connection PCH_SPT_I219_V2 7.6.2 OS: DragonFly, Kernel: 5.2-RELEASE (x86_64), Compiler: GCC 5.4.1, File-System: hammer2 No Mitigations: Processor: Intel Xeon E3-1280 v5 @ 3.70GHz (4 Cores / 8 Threads), Motherboard: MSI MS-7998 1.0, Chipset: Intel Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Registers, Memory: 16384MB, Disk: NVME-PCIe, Network: Intel PRO/1000 Connection PCH_SPT_I219_V2 7.6.2 OS: DragonFly, Kernel: 5.2-RELEASE (x86_64), Compiler: GCC 5.4.1, File-System: hammer2 TrueOS - Meltdown Mitigation: Processor: Intel Xeon E3-1280 v5 @ 3.70GHz (8 Cores), Motherboard: MSI MS-7998 1.0, Chipset: Intel Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Registers, Memory: 16384MB, Disk: Generic NVMe Device, Graphics: llvmpipe 16384MB, Audio: ATI (0xaaf0) HDA, Network: Intel PRO/1000 Connection OS: FreeBSD, Kernel: 12.0-CURRENT (x86_64), Desktop: Lumina 1.4.2, Display Server: X Server 1.18.4, OpenGL: 3.3 Mesa 17.3.1 (LLVM 5.0 256 bits), Compiler: Clang 6.0.0 (SVN 324090), File-System: zfs, Screen Resolution: 1024x768 TrueOS - No Mitigations: Processor: Intel Xeon E3-1280 v5 @ 3.70GHz (8 Cores), Motherboard: MSI MS-7998 1.0, Chipset: Intel Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Registers, Memory: 16384MB, Disk: Generic NVMe Device, Graphics: llvmpipe 16384MB, Audio: ATI (0xaaf0) HDA, Network: Intel PRO/1000 Connection OS: FreeBSD, Kernel: 12.0-CURRENT (x86_64), Desktop: Lumina 1.4.2, Display Server: X Server 1.18.4, OpenGL: 3.3 Mesa 17.3.1 (LLVM 5.0 256 bits), Compiler: Clang 6.0.0 (SVN 324090), File-System: zfs, Screen Resolution: 1024x768 Compile Bench 0.6 Test: Compile MB/s > Higher Is Better Meltdown Mitigation .......... 742.15 |=============== No Mitigations ............... 775.05 |=============== TrueOS - Meltdown Mitigation . 1447.92 |============================= TrueOS - No Mitigations ...... 1973.66 |======================================= Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better Meltdown Mitigation .......... 82.81 |============= No Mitigations ............... 91.38 |============== TrueOS - Meltdown Mitigation . 248.75 |======================================= TrueOS - No Mitigations ...... 253.94 |======================================== Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better Meltdown Mitigation .......... 534.81 |============================ No Mitigations ............... 774.31 |======================================== TrueOS - Meltdown Mitigation . 566.87 |============================= TrueOS - No Mitigations ...... 622.84 |================================ PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Meltdown Mitigation .......... 2523 |================================ No Mitigations ............... 3140 |======================================== TrueOS - Meltdown Mitigation . 3319 |========================================== TrueOS - No Mitigations ...... 3139 |======================================== Go Benchmarks Test: http Nanoseconds/Operation < Lower Is Better Meltdown Mitigation .......... 13290 |========================================= No Mitigations ............... 10273 |================================ TrueOS - Meltdown Mitigation . 9239 |============================= TrueOS - No Mitigations ...... 8196 |========================= Go Benchmarks Test: json Nanoseconds/Operation < Lower Is Better Meltdown Mitigation .......... 14854958 |====================================== No Mitigations ............... 14616451 |===================================== TrueOS - Meltdown Mitigation . 12381590 |================================ TrueOS - No Mitigations ...... 12399606 |================================ Go Benchmarks Test: build Nanoseconds/Operation < Lower Is Better Meltdown Mitigation .......... 46223473910 |================================ No Mitigations ............... 50424533298 |=================================== TrueOS - Meltdown Mitigation . 14724938590 |========== TrueOS - No Mitigations ...... 14376291636 |========== Go Benchmarks Test: garbage Nanoseconds/Operation < Lower Is Better Meltdown Mitigation .......... 2887820 |======================================= No Mitigations ............... 2888047 |======================================= TrueOS - Meltdown Mitigation . 2584441 |=================================== TrueOS - No Mitigations ...... 2580547 |=================================== Java SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better Meltdown Mitigation .......... 2283.66 |======================================= No Mitigations ............... 2279.70 |====================================== TrueOS - Meltdown Mitigation . 2293.57 |======================================= TrueOS - No Mitigations ...... 2311.26 |======================================= Java SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better Meltdown Mitigation .......... 910.05 |======================================== No Mitigations ............... 910.05 |======================================== TrueOS - Meltdown Mitigation . 904.87 |======================================== TrueOS - No Mitigations ...... 905.45 |======================================== Java SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better Meltdown Mitigation .......... 1401.42 |====================================== No Mitigations ............... 1419.92 |======================================= TrueOS - Meltdown Mitigation . 1386.19 |====================================== TrueOS - No Mitigations ...... 1401.74 |======================================= Java SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better Meltdown Mitigation .......... 2116.23 |====================================== No Mitigations ............... 2115.44 |====================================== TrueOS - Meltdown Mitigation . 2155.13 |======================================= TrueOS - No Mitigations ...... 2155.12 |======================================= Java SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better Meltdown Mitigation .......... 5645.19 |====================================== No Mitigations ............... 5607.78 |====================================== TrueOS - Meltdown Mitigation . 5675.44 |======================================= TrueOS - No Mitigations ...... 5748.13 |======================================= Java SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better Meltdown Mitigation .......... 1345.41 |======================================= No Mitigations ............... 1345.29 |======================================= TrueOS - Meltdown Mitigation . 1346.23 |======================================= TrueOS - No Mitigations ...... 1345.87 |======================================= Bork File Encrypter 1.4 File Encryption Time Seconds < Lower Is Better Meltdown Mitigation .......... 21.91 |========================================= No Mitigations ............... 20.84 |======================================= TrueOS - Meltdown Mitigation . 15.76 |============================= TrueOS - No Mitigations ...... 15.64 |============================= Java Gradle Build 1.0 Gradle Build: Reactor Seconds < Lower Is Better Meltdown Mitigation .......... 30.31 |========================================= No Mitigations ............... 28.15 |====================================== TrueOS - Meltdown Mitigation . 24.77 |================================== TrueOS - No Mitigations ...... 24.40 |================================= LuaJIT 2.0.5 Test: Fast Fourier Transform Mflops > Higher Is Better Meltdown Mitigation .......... 2.44 | No Mitigations ............... 3.67 |= TrueOS - Meltdown Mitigation . 273.57 |======================================== TrueOS - No Mitigations ...... 273.35 |======================================== Timed PHP Compilation 7.1.9 Time To Compile Seconds < Lower Is Better Meltdown Mitigation .......... 88.67 |========================== No Mitigations ............... 86.61 |========================== TrueOS - Meltdown Mitigation . 134.46 |======================================== TrueOS - No Mitigations ...... 134.66 |======================================== PostgreSQL pgbench 10.3 Scaling: Buffer Test - Test: Normal Load - Mode: Read Only TPS > Higher Is Better Meltdown Mitigation .......... 92706.57 |================================= No Mitigations ............... 104594.51 |===================================== TrueOS - Meltdown Mitigation . 45574.19 |================ TrueOS - No Mitigations ...... 46393.45 |================ PostgreSQL pgbench 10.3 Scaling: Buffer Test - Test: Normal Load - Mode: Read Write TPS > Higher Is Better Meltdown Mitigation .......... 6974.98 |==================================== No Mitigations ............... 7463.51 |======================================= TrueOS - Meltdown Mitigation . 2339.58 |============ TrueOS - No Mitigations ...... 2409.24 |============= PostgreSQL pgbench 10.3 Scaling: Buffer Test - Test: Single Thread - Mode: Read Only TPS > Higher Is Better Meltdown Mitigation .......... 16250.50 |================================== No Mitigations ............... 18399.15 |====================================== TrueOS - Meltdown Mitigation . 9605.36 |==================== TrueOS - No Mitigations ...... 10199.62 |===================== PostgreSQL pgbench 10.3 Scaling: Buffer Test - Test: Single Thread - Mode: Read Write TPS > Higher Is Better Meltdown Mitigation .......... 1412.95 |===================================== No Mitigations ............... 1489.33 |======================================= TrueOS - Meltdown Mitigation . 309.43 |======== TrueOS - No Mitigations ...... 312.58 |======== PostgreSQL pgbench 10.3 Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Only TPS > Higher Is Better Meltdown Mitigation .......... 87597.31 |================================== No Mitigations ............... 97258.68 |====================================== TrueOS - Meltdown Mitigation . 40945.97 |================ TrueOS - No Mitigations ...... 40935.97 |================ PostgreSQL pgbench 10.3 Scaling: Buffer Test - Test: Heavy Contention - Mode: Read Write TPS > Higher Is Better Meltdown Mitigation .......... 6826.34 |====================================== No Mitigations ............... 7064.87 |======================================= TrueOS - Meltdown Mitigation . 3236.29 |================== TrueOS - No Mitigations ...... 3293.62 |================== GIMP 2.8.22 Test: resize Seconds < Lower Is Better Meltdown Mitigation .......... 4.35 |======================================== No Mitigations ............... 3.83 |=================================== TrueOS - Meltdown Mitigation . 4.55 |========================================== TrueOS - No Mitigations ...... 4.36 |======================================== GIMP 2.8.22 Test: auto-levels Seconds < Lower Is Better Meltdown Mitigation .......... 7.30 |========================================== No Mitigations ............... 6.63 |====================================== TrueOS - Meltdown Mitigation . 6.90 |======================================== TrueOS - No Mitigations ...... 6.63 |====================================== GIMP 2.8.22 Test: unsharp-mask Seconds < Lower Is Better Meltdown Mitigation .......... 13.31 |========================================= No Mitigations ............... 11.87 |===================================== TrueOS - Meltdown Mitigation . 12.84 |======================================== TrueOS - No Mitigations ...... 12.05 |===================================== PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better Meltdown Mitigation .......... 407078 |===================================== No Mitigations ............... 436216 |======================================== TrueOS - Meltdown Mitigation . 332950 |=============================== TrueOS - No Mitigations ...... 333056 |=============================== Git Time To Complete Common Git Commands Seconds < Lower Is Better Meltdown Mitigation .......... 9.30 |========================================== No Mitigations ............... 8.73 |======================================= TrueOS - Meltdown Mitigation . 8.32 |====================================== TrueOS - No Mitigations ...... 8.27 |=====================================