DragonFlyBSD 5.2 Mitigation Tests Intel Xeon E3-1280 v5 testing on DragonFly 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 Compile Bench 0.6 Test: Compile MB/s > Higher Is Better Meltdown Mitigation . 742.15 |=============================================== No Mitigations ...... 775.05 |================================================= Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better Meltdown Mitigation . 82.81 |============================================= No Mitigations ...... 91.38 |================================================== Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better Meltdown Mitigation . 534.81 |================================== No Mitigations ...... 774.31 |================================================= PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Meltdown Mitigation . 2523 |========================================= No Mitigations ...... 3140 |=================================================== Go Benchmarks Test: http Nanoseconds/Operation < Lower Is Better Meltdown Mitigation . 13290 |================================================== No Mitigations ...... 10273 |======================================= Go Benchmarks Test: json Nanoseconds/Operation < Lower Is Better Meltdown Mitigation . 14854958 |=============================================== No Mitigations ...... 14616451 |============================================== Go Benchmarks Test: build Nanoseconds/Operation < Lower Is Better Meltdown Mitigation . 46223473910 |======================================== No Mitigations ...... 50424533298 |============================================ Go Benchmarks Test: garbage Nanoseconds/Operation < Lower Is Better Meltdown Mitigation . 2887820 |================================================ No Mitigations ...... 2888047 |================================================ Java SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better Meltdown Mitigation . 2283.66 |================================================ No Mitigations ...... 2279.70 |================================================ Java SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better Meltdown Mitigation . 910.05 |================================================= No Mitigations ...... 910.05 |================================================= Java SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better Meltdown Mitigation . 1401.42 |=============================================== No Mitigations ...... 1419.92 |================================================ Java SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better Meltdown Mitigation . 2116.23 |================================================ No Mitigations ...... 2115.44 |================================================ Java SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better Meltdown Mitigation . 5645.19 |================================================ No Mitigations ...... 5607.78 |================================================ Java SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better Meltdown Mitigation . 1345.41 |================================================ No Mitigations ...... 1345.29 |================================================ Bork File Encrypter 1.4 File Encryption Time Seconds < Lower Is Better Meltdown Mitigation . 21.91 |================================================== No Mitigations ...... 20.84 |================================================ Java Gradle Build 1.0 Gradle Build: Reactor Seconds < Lower Is Better Meltdown Mitigation . 30.31 |================================================== No Mitigations ...... 28.15 |============================================== LuaJIT 2.0.5 Test: Fast Fourier Transform Mflops > Higher Is Better Meltdown Mitigation . 2.44 |================================== No Mitigations ...... 3.67 |=================================================== Timed PHP Compilation 7.1.9 Time To Compile Seconds < Lower Is Better Meltdown Mitigation . 88.67 |================================================== No Mitigations ...... 86.61 |================================================= 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 |============================================== 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 |================================================ 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 |=============================================== 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 |================================================ 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 |=============================================== 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 |================================================ GIMP 2.8.22 Test: resize Seconds < Lower Is Better Meltdown Mitigation . 4.35 |=================================================== No Mitigations ...... 3.83 |============================================= GIMP 2.8.22 Test: auto-levels Seconds < Lower Is Better Meltdown Mitigation . 7.30 |=================================================== No Mitigations ...... 6.63 |============================================== GIMP 2.8.22 Test: unsharp-mask Seconds < Lower Is Better Meltdown Mitigation . 13.31 |================================================== No Mitigations ...... 11.87 |============================================= PHPBench 0.8.1 PHP Benchmark Suite Score > Higher Is Better Meltdown Mitigation . 407078 |============================================== No Mitigations ...... 436216 |================================================= Git Time To Complete Common Git Commands Seconds < Lower Is Better Meltdown Mitigation . 9.30 |=================================================== No Mitigations ...... 8.73 |================================================