Gentoo Kernel benchmark

Gentoo no-mitigation 5.7.6 GCC10 no-preempt

HTML result view exported from: https://openbenchmarking.org/result/2006285-NE-2006222NE68&grs&sro.

Gentoo Kernel benchmarkProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverOpenGLOpenCLCompilerFile-SystemScreen ResolutionGentoo no-mitigation 4.19.113Gentoo no-mitigation 5.4.31Gentoo no-mitigation 5.6.4Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.7.6 GCC10 no-preemptIntel Core i7-3615QM @ 3.30GHz (4 Cores / 8 Threads)Apple Mac-C3EC7CD22292981F (259.0.0.0.0 BIOS)Intel 3rd Gen Core DRAM8GB251GB APPLE SSD SM256ENVIDIA GeForce GT 650M 1GB (797/2508MHz)Cirrus Logic CS4206Color LCDBroadcom NetXtreme BCM57786 PCIe + Broadcom BCM4331 802.11a/b/g/nGentoo 2.64.19.113-gentoo-x86_64 (x86_64)LXQt 0.14.1X Server 1.20.7NVIDIA 440.824.6.0OpenCL 1.2 CUDA 10.2.159GCC 9.3.0 + Clang 9.0.1 + LLVM 9.0.1 + CUDA 10.2ext42880x18005.4.31-gentoo-x86_64 (x86_64)5.6.4-gentoo-x86_64 (x86_64)5.4.37-ck-x86_64 (x86_64)MATE 1.24.0GCC 9.3.0 + Clang 10.0.0 + LLVM 10.0.0 + CUDA 10.25.6.9-gentoo-x86_64 (x86_64)5.6.10-gentoo-x86_64 (x86_64)LXQt 0.14.15.6.12-gentoo-x86_64clang (x86_64)MATE 1.24.0Clang 10.0.0 + GCC 9.3.0 + LLVM 10.0.0 + CUDA 10.25.6.12-gentoo-x86_64 (x86_64)GCC 9.3.0 + Clang 10.0.0 + LLVM 10.0.0 + CUDA 10.2Gentoo/Linux4.19.125-gentoo-x86_64 (x86_64)Gentoo 2.65.4.46-gentoo-x86_64 (x86_64)X Server 1.20.8GCC 10.1.0 + Clang 10.0.0 + LLVM 10.0.0Intel 7 /C216Cirrus Logic CS42065.7.6-gentoo-x86_64 (x86_64)NVIDIA 450.51OpenCL 1.2 CUDA 11.0.197OpenBenchmarking.orgDisk Details- MQ-DEADLINE / noatime,rw,stripe=256Processor Details- Scaling Governor: intel_pstate performance - CPU Microcode: 0x21Security Details- Gentoo no-mitigation 4.19.113: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 5.4.31: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 5.6.4: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 5.4.37-ck MUQSS: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 5.6.9: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 5.6.9 Archlinux.config: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 5.6.10 clear-patches: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 5.6.12 Clang 10.0: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 5.6.12 Clang-build: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 5.6.12 GCC: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 4.19.125 no-preempt: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + tsx_async_abort: Not affected- Gentoo no-mitigation 5.4.46 GCC 10 no-preempt: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + srbds: Vulnerable: No microcode + tsx_async_abort: Not affected- Gentoo no-mitigation 5.4.46 MUQSS: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + srbds: Vulnerable: No microcode + tsx_async_abort: Not affected- Gentoo no-mitigation 5.7.6 GCC10 no-preempt: itlb_multihit: KVM: Vulnerable + l1tf: Mitigation of PTE Inversion; VMX: vulnerable + mds: Vulnerable; SMT vulnerable + meltdown: Vulnerable + spec_store_bypass: Vulnerable + spectre_v1: Vulnerable: __user pointer sanitization and usercopy barriers only; no swapgs barriers + spectre_v2: Vulnerable IBPB: disabled STIBP: disabled + srbds: Vulnerable: No microcode + tsx_async_abort: Not affectedCompiler Details- Gentoo no-mitigation 5.6.12 Clang-build: Optimized build; Default target: x86_64-pc-linux-gnu; Host CPU: ivybridge

Gentoo Kernel benchmarkschbench: 8 - 8hackbench: 8 - Threadosbench: Create Processespostmark: Disk Transaction Performanceipc-benchmark: TCP Socket - 128t-test1: 1sqlite-speedtest: Timed Time - Size 1,000tinymembench: Standard Memsetmbw: Memory Copy - 512 MiBctx-clock: Context Switch Timepmbench: 2 - 50%tinymembench: Standard Memcpyrocksdb: Rand ReadGentoo no-mitigation 4.19.113Gentoo no-mitigation 5.4.31Gentoo no-mitigation 5.6.4Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.7.6 GCC10 no-preempt8525740.50723.9467624438270090022.07795.32624892.28767.8111180.08789636.5135251698571741.49424.2996224687273342321.93194.26125510.98699.7141210.08869535.0135673928810742.11724.7931484629271161321.70294.28424865.68662.7941190.08909545.21355462723936056.76131.1470034191254357422.48695.11124803.58789.9611180.08869642.7145034478827740.09926.4147124658288363021.54594.74224874.58768.1951190.08889616.8145791808885843.99825.9971624491259675921.64893.96624211.88739.6671190.08889642.2133397148609340.32727.9100744687283952922.15095.18224819.98441.2751180.08879524.9133513668904543.68327.4610524143277176722.80696.63824824.98732.5411230.08929577.7145031478921644.05327.3098264190277388622.31998.1488893.5061220.08848878940.11725.8994104601285082021.91994.64124930.08779.5771190.08869523.4144548749776636.73922.2365064934318415420.66292.16124919.18769.5861200.08859618.71258046613151641.91323.1544185245302188320.59791.16224917.48817.0851230.08869609.91301486124226153.02129.3008495282288110419.84191.42924502.38855.2021210.08909662.6135204149288539.39725.2575874967305636320.49592.16724915.68828.6461200.08839598.211871401OpenBenchmarking.org

Schbench

Message Threads: 8 - Workers Per Message Thread: 8

OpenBenchmarking.orgusec, 99.9th Latency Percentile, Fewer Is BetterSchbenchMessage Threads: 8 - Workers Per Message Thread: 8Gentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt50K100K150K200K250KSE +/- 1077.13, N = 15SE +/- 1099.48, N = 15SE +/- 1111.02, N = 15SE +/- 1065.81, N = 3SE +/- 1595.24, N = 15SE +/- 2649.46, N = 3SE +/- 954.99, N = 15SE +/- 1048.59, N = 3SE +/- 1133.36, N = 5SE +/- 1069.22, N = 3SE +/- 1054.82, N = 6SE +/- 903.08, N = 3SE +/- 1214.65, N = 15SE +/- 1203.77, N = 38525797766857172393601315162422618609389045892168878988107882778885892885gccgccgccgccgccgccgccgccclanggccgccgccgccgcc

Hackbench

Count: 8 - Type: Thread

OpenBenchmarking.orgSeconds, Fewer Is BetterHackbenchCount: 8 - Type: ThreadGentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt1326395265SE +/- 0.09, N = 3SE +/- 0.07, N = 3SE +/- 0.57, N = 4SE +/- 0.12, N = 3SE +/- 0.57, N = 15SE +/- 0.25, N = 3SE +/- 0.20, N = 3SE +/- 0.16, N = 3SE +/- 0.04, N = 3SE +/- 0.14, N = 3SE +/- 0.06, N = 3SE +/- 0.06, N = 3SE +/- 0.24, N = 3SE +/- 0.30, N = 340.5136.7441.4956.7641.9153.0240.3343.6844.0540.1242.1240.1044.0039.40gccgccgccgccgccgccgccgccclanggccgccgccgccgcc

OSBench

Test: Create Processes

OpenBenchmarking.orgus Per Event, Fewer Is BetterOSBenchTest: Create ProcessesGentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt714212835SE +/- 0.32, N = 3SE +/- 0.06, N = 3SE +/- 0.28, N = 3SE +/- 0.07, N = 3SE +/- 0.11, N = 3SE +/- 0.23, N = 3SE +/- 0.48, N = 3SE +/- 0.34, N = 3SE +/- 0.29, N = 7SE +/- 0.29, N = 3SE +/- 0.31, N = 3SE +/- 0.45, N = 15SE +/- 0.26, N = 3SE +/- 0.28, N = 1523.9522.2424.3031.1523.1529.3027.9127.4627.3125.9024.7926.4126.0025.26

PostMark

Disk Transaction Performance

OpenBenchmarking.orgTPS, More Is BetterPostMark 1.51Disk Transaction PerformanceGentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt11002200330044005500SE +/- 26.33, N = 3SE +/- 33.00, N = 3SE +/- 29.00, N = 3SE +/- 46.33, N = 3SE +/- 37.00, N = 3SE +/- 37.00, N = 3SE +/- 29.00, N = 3SE +/- 22.67, N = 3SE +/- 23.67, N = 3SE +/- 28.00, N = 3SE +/- 29.00, N = 3SE +/- 27.00, N = 3SE +/- 33.00, N = 344114934468741915245528246874143419046014629465844914967gccgccgccgccgccgccgccgccclanggccgccgccgccgcc

IPC_benchmark

Type: TCP Socket - Message Bytes: 128

OpenBenchmarking.orgMessages Per Second, More Is BetterIPC_benchmarkType: TCP Socket - Message Bytes: 128Gentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt700K1400K2100K2800K3500KSE +/- 37558.32, N = 4SE +/- 1010.77, N = 3SE +/- 1445.27, N = 3SE +/- 29028.22, N = 15SE +/- 12958.81, N = 3SE +/- 36430.00, N = 4SE +/- 14600.73, N = 3SE +/- 8296.45, N = 3SE +/- 5727.57, N = 3SE +/- 10073.36, N = 3SE +/- 2963.78, N = 3SE +/- 15940.60, N = 3SE +/- 8847.83, N = 3SE +/- 8494.41, N = 327009003184154273342325435743021883288110428395292771767277388628508202711613288363025967593056363gccgccgccgccgccgccgccgccclanggccgccgccgccgcc

t-test1

Threads: 1

OpenBenchmarking.orgSeconds, Fewer Is Bettert-test1 2017-01-13Threads: 1Gentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt510152025SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.05, N = 3SE +/- 0.25, N = 3SE +/- 0.01, N = 3SE +/- 0.06, N = 3SE +/- 0.37, N = 3SE +/- 0.09, N = 3SE +/- 0.03, N = 3SE +/- 0.03, N = 3SE +/- 0.12, N = 3SE +/- 0.08, N = 3SE +/- 0.10, N = 3SE +/- 0.03, N = 322.0820.6621.9322.4920.6019.8422.1522.8122.3221.9221.7021.5521.6520.50gccgccgccgccgccgccgccgccclanggccgccgccgccgcc

SQLite Speedtest

Timed Time - Size 1,000

OpenBenchmarking.orgSeconds, Fewer Is BetterSQLite Speedtest 3.30Timed Time - Size 1,000Gentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt20406080100SE +/- 0.42, N = 3SE +/- 0.43, N = 3SE +/- 0.33, N = 3SE +/- 0.43, N = 3SE +/- 0.12, N = 3SE +/- 0.19, N = 3SE +/- 0.12, N = 3SE +/- 0.78, N = 3SE +/- 0.39, N = 3SE +/- 0.25, N = 3SE +/- 0.46, N = 3SE +/- 0.66, N = 3SE +/- 0.17, N = 3SE +/- 0.48, N = 395.3392.1694.2695.1191.1691.4395.1896.6498.1594.6494.2894.7493.9792.17gccgccgccgccgccgccgccgccclanggccgccgccgccgcc

Tinymembench

Standard Memset

OpenBenchmarking.orgMB/s, More Is BetterTinymembench 2018-05-28Standard MemsetGentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt5K10K15K20K25KSE +/- 56.05, N = 3SE +/- 27.52, N = 3SE +/- 188.61, N = 3SE +/- 226.79, N = 3SE +/- 65.02, N = 3SE +/- 292.80, N = 3SE +/- 23.53, N = 3SE +/- 41.62, N = 3SE +/- 40.66, N = 3SE +/- 45.81, N = 3SE +/- 12.87, N = 3SE +/- 27.76, N = 3SE +/- 40.05, N = 324892.224919.125510.924803.524917.424502.324819.924824.924930.024865.624874.524211.824915.61. (CC) gcc options: -O2 -lm

MBW

Test: Memory Copy - Array Size: 512 MiB

OpenBenchmarking.orgMiB/s, More Is BetterMBW 2018-09-08Test: Memory Copy - Array Size: 512 MiBGentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt2K4K6K8K10KSE +/- 58.56, N = 3SE +/- 3.03, N = 3SE +/- 58.71, N = 3SE +/- 65.04, N = 3SE +/- 4.99, N = 3SE +/- 51.04, N = 3SE +/- 78.30, N = 3SE +/- 15.86, N = 3SE +/- 1.61, N = 3SE +/- 7.32, N = 3SE +/- 22.14, N = 3SE +/- 93.71, N = 7SE +/- 79.27, N = 3SE +/- 47.60, N = 38767.818769.598699.718789.968817.098855.208441.288732.548893.518779.588662.798768.208739.678828.65gccgccgccgccgccgccgccgccclanggccgccgccgccgcc

ctx_clock

Context Switch Time

OpenBenchmarking.orgClocks, Fewer Is Betterctx_clockContext Switch TimeGentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt306090120150SE +/- 1.15, N = 3SE +/- 1.33, N = 3SE +/- 0.67, N = 3SE +/- 0.67, N = 3SE +/- 1.33, N = 3SE +/- 0.67, N = 3SE +/- 0.67, N = 3SE +/- 1.33, N = 3SE +/- 0.67, N = 3118120121118123121118123122119119119119120gccgccgccgccgccgccgccgccclanggccgccgccgccgcc

pmbench

Concurrent Worker Threads: 2 - Read-Write Ratio: 50%

OpenBenchmarking.orgus - Average Page Latency, Fewer Is BetterpmbenchConcurrent Worker Threads: 2 - Read-Write Ratio: 50%Gentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 Clang-buildGentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt0.02010.04020.06030.08040.1005SE +/- 0.0001, N = 3SE +/- 0.0002, N = 3SE +/- 0.0001, N = 3SE +/- 0.0001, N = 3SE +/- 0.0001, N = 3SE +/- 0.0007, N = 3SE +/- 0.0002, N = 3SE +/- 0.0001, N = 3SE +/- 0.0002, N = 3SE +/- 0.0002, N = 3SE +/- 0.0001, N = 3SE +/- 0.0001, N = 3SE +/- 0.0002, N = 3SE +/- 0.0004, N = 30.08780.08850.08860.08860.08860.08900.08870.08920.08840.08860.08900.08880.08880.0883gccgccgccgccgccgccgccgccclanggccgccgccgccgcc

Tinymembench

Standard Memcpy

OpenBenchmarking.orgMB/s, More Is BetterTinymembench 2018-05-28Standard MemcpyGentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt2K4K6K8K10KSE +/- 38.08, N = 3SE +/- 44.81, N = 3SE +/- 50.69, N = 3SE +/- 16.52, N = 3SE +/- 15.25, N = 3SE +/- 12.10, N = 3SE +/- 42.67, N = 3SE +/- 32.15, N = 3SE +/- 26.59, N = 3SE +/- 3.95, N = 3SE +/- 30.25, N = 3SE +/- 15.61, N = 3SE +/- 38.81, N = 39636.59618.79535.09642.79609.99662.69524.99577.79523.49545.29616.89642.29598.21. (CC) gcc options: -O2 -lm

Facebook RocksDB

Test: Random Read

OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Random ReadGentoo no-mitigation 4.19.113Gentoo no-mitigation 4.19.125 no-preemptGentoo no-mitigation 5.4.31Gentoo no-mitigation 5.4.37-ck MUQSSGentoo no-mitigation 5.4.46 GCC 10 no-preemptGentoo no-mitigation 5.4.46 MUQSSGentoo no-mitigation 5.6.10 clear-patchesGentoo no-mitigation 5.6.12 Clang 10.0Gentoo no-mitigation 5.6.12 GCCGentoo no-mitigation 5.6.4Gentoo no-mitigation 5.6.9Gentoo no-mitigation 5.6.9 Archlinux.configGentoo no-mitigation 5.7.6 GCC10 no-preempt3M6M9M12M15MSE +/- 60996.37, N = 3SE +/- 311333.45, N = 12SE +/- 44738.14, N = 3SE +/- 29727.18, N = 3SE +/- 473308.54, N = 12SE +/- 380498.42, N = 12SE +/- 6569.12, N = 3SE +/- 55748.87, N = 3SE +/- 55022.18, N = 3SE +/- 22283.49, N = 3SE +/- 23258.35, N = 3SE +/- 40170.54, N = 3SE +/- 519981.38, N = 15135251691258046613567392145034471301486113520414133513661450314714454874135546271457918013339714118714011. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread

Phoronix Test Suite v10.8.4