LVI Mitigations

Intel Core 2 Quad Q6600 testing with a MSI MS-7350 v100 (V1.0A BIOS) and MSI NVIDIA GeForce 8600 GT 256MB on EndeavourOS rolling via the Phoronix Test Suite.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2003133-VE-2003126NI94
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No LVI Mitigation
March 11 2020
  1 Hour, 38 Minutes
LFENCE Before Indirect Branch
March 12 2020
  1 Hour, 12 Minutes
LFENCE Before RET
March 12 2020
  1 Hour, 28 Minutes
LFENCE After Load
March 12 2020
  4 Hours, 36 Minutes
LFENCE Load + Indirect Branch + Ret
March 11 2020
  4 Hours, 40 Minutes
Core2Quad-Q6600
March 13 2020
  7 Hours, 54 Minutes
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  3 Hours, 35 Minutes

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No LVI Mitigation

Environment Notes: CXXFLAGS=-O3 CFLAGS=-O3
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable

LFENCE Before Indirect Branch

Environment Notes: CXXFLAGS="-O3 -Wa,-mlfence-before-indirect-branch=all" CFLAGS="-O3 -Wa,-mlfence-before-indirect-branch=all"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable

LFENCE Before RET

Environment Notes: CXXFLAGS="-O3 -Wa,-mlfence-before-ret=or" CFLAGS="-O3 -Wa,-mlfence-before-ret=or"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable

LFENCE After Load

Environment Notes: CXXFLAGS="-O3 -Wa,-mlfence-after-load=yes" CFLAGS="-O3 -Wa,-mlfence-after-load=yes"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable

LFENCE Load + Indirect Branch + Ret

Processor: Intel Xeon E3-1275 v6 @ 4.20GHz (4 Cores / 8 Threads), Motherboard: ASUS P10S-M WS (4401 BIOS), Chipset: Intel Xeon E3-1200 v6/7th, Memory: 16GB, Disk: Samsung SSD 970 EVO Plus 500GB, Graphics: Intel HD P630 (1150MHz), Audio: Realtek ALC1150, Monitor: DELL S2409W, Network: 2 x Intel I210

OS: Ubuntu 20.04, Kernel: 5.4.0-14-generic (x86_64), Desktop: GNOME Shell 3.35.91, Display Server: X Server 1.20.7, Display Driver: modesetting 1.20.7, Compiler: GCC 9.2.1 20200304, File-System: ext4, Screen Resolution: 1920x1080

Environment Notes: CXXFLAGS="-O3 -Wa,-mlfence-after-load=yes -Wa,-mlfence-before-indirect-branch=all -Wa,-mlfence-before-ret=or" CFLAGS="-O3 -Wa,-mlfence-after-load=yes -Wa,-mlfence-before-indirect-branch=all -Wa,-mlfence-before-ret=or"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable

Core2Quad-Q6600

Processor: Intel Core 2 Quad Q6600 @ 2.40GHz (4 Cores), Motherboard: MSI MS-7350 v100 (V1.0A BIOS), Chipset: NVIDIA C55, Memory: 4096MB, Disk: 320GB Western Digital WD3200AVJS-6, Graphics: MSI NVIDIA GeForce 8600 GT 256MB, Audio: Realtek ALC888

OS: EndeavourOS rolling, Kernel: 5.5.8-arch1-1 (x86_64), Desktop: Xfce, Display Server: X Server 1.20.7, Display Driver: modesetting 1.20.7, Compiler: GCC 9.2.1 20200130 + Clang 9.0.1, File-System: ext4

Compiler Notes: --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror --enable-__cxa_atexit --enable-cet=auto --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++,d --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu
Processor Notes: Scaling Governor: acpi-cpufreq schedutil - CPU Microcode: 0xb6
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: EPT disabled + mds: Vulnerable: Clear buffers attempted no microcode; SMT disabled + meltdown: Mitigation of PTI + spec_store_bypass: Vulnerable + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline STIBP: disabled RSB filling + tsx_async_abort: Not affected

LVI MitigationsProcessorMotherboardChipsetMemoryDiskGraphicsAudioMonitorNetworkOSKernelDesktopDisplay ServerDisplay DriverCompilerFile-SystemScreen ResolutionNo LVI MitigationLFENCE Before Indirect BranchLFENCE Before RETLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600Intel Xeon E3-1275 v6 @ 4.20GHz (4 Cores / 8 Threads)ASUS P10S-M WS (4401 BIOS)Intel Xeon E3-1200 v6/7th16GBSamsung SSD 970 EVO Plus 500GBIntel HD P630 (1150MHz)Realtek ALC1150DELL S2409W2 x Intel I210Ubuntu 20.045.4.0-14-generic (x86_64)GNOME Shell 3.35.91X Server 1.20.7modesetting 1.20.7GCC 9.2.1 20200304ext41920x1080Intel Core 2 Quad Q6600 @ 2.40GHz (4 Cores)MSI MS-7350 v100 (V1.0A BIOS)NVIDIA C554096MB320GB Western Digital WD3200AVJS-6MSI NVIDIA GeForce 8600 GT 256MBRealtek ALC888EndeavourOS rolling5.5.8-arch1-1 (x86_64)XfceGCC 9.2.1 20200130 + Clang 9.0.1OpenBenchmarking.orgEnvironment Details- No LVI Mitigation: CXXFLAGS=-O3 CFLAGS=-O3- LFENCE Before Indirect Branch: CXXFLAGS="-O3 -Wa,-mlfence-before-indirect-branch=all" CFLAGS="-O3 -Wa,-mlfence-before-indirect-branch=all"- LFENCE Before RET: CXXFLAGS="-O3 -Wa,-mlfence-before-ret=or" CFLAGS="-O3 -Wa,-mlfence-before-ret=or"- LFENCE After Load: CXXFLAGS="-O3 -Wa,-mlfence-after-load=yes" CFLAGS="-O3 -Wa,-mlfence-after-load=yes"- LFENCE Load + Indirect Branch + Ret: CXXFLAGS="-O3 -Wa,-mlfence-after-load=yes -Wa,-mlfence-before-indirect-branch=all -Wa,-mlfence-before-ret=or" CFLAGS="-O3 -Wa,-mlfence-after-load=yes -Wa,-mlfence-before-indirect-branch=all -Wa,-mlfence-before-ret=or"Compiler Details- No LVI Mitigation: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - LFENCE Before Indirect Branch: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - LFENCE Before RET: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - LFENCE After Load: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - LFENCE Load + Indirect Branch + Ret: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v - Core2Quad-Q6600: --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror --enable-__cxa_atexit --enable-cet=auto --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++,d --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu Processor Details- No LVI Mitigation: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca- LFENCE Before Indirect Branch: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca- LFENCE Before RET: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca- LFENCE After Load: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca- LFENCE Load + Indirect Branch + Ret: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca- Core2Quad-Q6600: Scaling Governor: acpi-cpufreq schedutil - CPU Microcode: 0xb6Security Details- No LVI Mitigation: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable - LFENCE Before Indirect Branch: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable - LFENCE Before RET: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable - LFENCE After Load: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable - LFENCE Load + Indirect Branch + Ret: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable - Core2Quad-Q6600: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: EPT disabled + mds: Vulnerable: Clear buffers attempted no microcode; SMT disabled + meltdown: Mitigation of PTI + spec_store_bypass: Vulnerable + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline STIBP: disabled RSB filling + tsx_async_abort: Not affected

No LVI MitigationLFENCE Before Indirect BranchLFENCE Before RETLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600Logarithmic Result OverviewPhoronix Test SuiteVP9 libvpx EncodingLAME MP3 EncodingOpenSSLTimed HMMer SearchSVT-AV1C-RayJohn The RipperPostgreSQL pgbenchGraphicsMagickMemcached mcperfCoremarkdav1dFacebook RocksDBSysbenchx264LevelDBRedisIPC_benchmarkHimeno BenchmarkACES DGEMMFFTWLAMMPS Molecular Dynamics SimulatorFLAC Audio EncodingTimed MrBayes AnalysisBotan

LVI Mitigationsipc-benchmark: Unnamed Pipe - 2048ipc-benchmark: FIFO Named Pipe - 2048smhasher: wyhashsmhasher: wyhashsmhasher: fasthash32smhasher: fasthash32smhasher: t1ha0_aes_avx2smhasher: t1ha0_aes_avx2fftw: Float + SSE - 2D FFT Size 128mrbayes: Primate Phylogeny Analysishmmer: Pfam Database Searchlammps: Rhodopsin Proteinbotan: KASUMIbotan: AES-256botan: Twofishbotan: Blowfishbotan: CAST-256john-the-ripper: Blowfishjohn-the-ripper: MD5graphics-magick: Rotategraphics-magick: Resizingdav1d: Summer Nature 1080psvt-av1: Enc Mode 8 - 1080psvt-hevc: 1080p 8-bit YUV To HEVC Video Encodevpxenc: Speed 5x264: H.264 Video Encodingmt-dgemm: Sustained Floating-Point Ratecoremark: CoreMark Size 666 - Iterations Per Secondhimeno: Poisson Pressure Solverc-ray: Total Time - 4K, 16 Rays Per Pixelencode-flac: WAV To FLACencode-mp3: WAV To MP3openssl: RSA 4096-bit Performanceleveldb: Hot Readleveldb: Fill Syncleveldb: Rand Readleveldb: Seek Randpgbench: Buffer Test - Normal Load - Read Onlypgbench: Buffer Test - Normal Load - Read Writeredis: GETsysbench: CPUrocksdb: Read While Writingmcperf: Add - 1mcperf: Get - 1mcperf: Set - 1mcperf: Add - 16leveldb: Fill SyncNo LVI MitigationLFENCE Before Indirect BranchLFENCE Before RETLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q66001520361148209715371.5830.876302.8839.97339576.7740.4063620780.0945.1723.05494.5344027.591364.617450.387143.9407703438359735437281.0713.84124.4123.8644.541.121684155734.9271243504.382174160.7528.9228.6411217.63.4386078.9533.4694.581109133.8349476337.3977262902781.858863.997492584974622.1126791.274530.774588.51501588144200415139.1644.5946305.0071.41639743.3747.8093456981.2665.1903.09194.5564012.193365.472455.182143.7427704450730720435279.9213.58023.8323.7043.591.125063155387.1929673495.065655160.7408.8798.7001217.53.5356172.7603.4584.670107867.8723276489.7174512807336.758482.741390142773822.3122542.873056.10.11475647145821915368.4048.4466301.2592.46040155.9373.1343310986.7295.7782.99994.3153548.671361.857449.685143.3367632442128688435273.7312.15621.2820.3241.301.134689150838.3881763502.538965161.2329.0069.3811214.93.8336140.0123.8005.343101653.3291486622.9350282964800.428475.184389980572552.0125504.072700.472514.50.1150678914822061459.64183.6061108.63158.3202536.98100.1423179.7861.63530.0260.27511.961656.42623.66127.04113.786646924571626585.952.1693.882.6310.810.19911330075.832607182.6807591234.59197.94176.727138.15.5576279.4065.56110.54049296.6619285470.2147512290110.929160.575291167169923.1112679.369868.970035.3145444212815221460.06199.7661108.26205.3972578.17129.6323147.0865.29530.0580.27511.947667.16323.62627.03613.843646923521656585.042.1333.792.5910.590.19689929308.801462182.6852081235.08297.73277.149138.15.7466343.5905.79410.96345420.1824225255.4478692157109.929160.685290437569416.7108597.868935.869368.65286905677558166.6401.27242.4871.02127.14278.515160.342184.67168.28530729758223913855.190.184.6210.100.06547843182.0632021158.733795443.61344.69774.758198.55.04251.5574.9697.63032157.390080389.682488816590.002022.781819473414265.523106.313919.714078.38.0OpenBenchmarking.org

IPC_benchmark

IPC_benchmark is a Linux inter-process communication benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMessages Per Second, More Is BetterIPC_benchmarkType: Unnamed Pipe - Message Bytes: 2048Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE Before RETLFENCE Before Indirect BranchLFENCE After LoadNo LVI Mitigation300K600K900K1200K1500KSE +/- 11701.09, N = 15SE +/- 24328.97, N = 15SE +/- 22792.63, N = 13SE +/- 14185.23, N = 10SE +/- 5934.66, N = 3SE +/- 23319.71, N = 352869014544421475647150158815067891520361
OpenBenchmarking.orgMessages Per Second, More Is BetterIPC_benchmarkType: Unnamed Pipe - Message Bytes: 2048Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE Before RETLFENCE Before Indirect BranchLFENCE After LoadNo LVI Mitigation300K600K900K1200K1500KMin: 446924 / Avg: 528689.73 / Max: 639157Min: 1270557 / Avg: 1454442.4 / Max: 1530095Min: 1273661 / Avg: 1475647 / Max: 1567605Min: 1431080 / Avg: 1501587.5 / Max: 1566746Min: 1498457 / Avg: 1506789.33 / Max: 1518276Min: 1490796 / Avg: 1520360.67 / Max: 1566382

OpenBenchmarking.orgMessages Per Second, More Is BetterIPC_benchmarkType: FIFO Named Pipe - Message Bytes: 2048Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE Before Indirect BranchLFENCE Before RETNo LVI MitigationLFENCE After Load300K600K900K1200K1500KSE +/- 9551.92, N = 12SE +/- 15759.80, N = 3SE +/- 6206.38, N = 3SE +/- 22765.74, N = 3SE +/- 6688.93, N = 3SE +/- 23424.58, N = 356775512815221442004145821914820971482206
OpenBenchmarking.orgMessages Per Second, More Is BetterIPC_benchmarkType: FIFO Named Pipe - Message Bytes: 2048Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE Before Indirect BranchLFENCE Before RETNo LVI MitigationLFENCE After Load300K600K900K1200K1500KMin: 505617 / Avg: 567755.17 / Max: 617756Min: 1261286 / Avg: 1281521.67 / Max: 1312568Min: 1434747 / Avg: 1442004.33 / Max: 1454354Min: 1419604 / Avg: 1458218.67 / Max: 1498419Min: 1469738 / Avg: 1482097.33 / Max: 1492711Min: 1443975 / Avg: 1482206 / Max: 1524772

SMHasher

SMHasher is a hash function tester. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: wyhashLFENCE After LoadLFENCE Load + Indirect Branch + RetLFENCE Before Indirect BranchLFENCE Before RETNo LVI Mitigation3K6K9K12K15KSE +/- 0.34, N = 3SE +/- 0.18, N = 3SE +/- 172.83, N = 3SE +/- 61.62, N = 3SE +/- 91.45, N = 31459.641460.0615139.1615368.4015371.581. (CXX) g++ options: -O3 -march=native -lpthread
OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: wyhashLFENCE After LoadLFENCE Load + Indirect Branch + RetLFENCE Before Indirect BranchLFENCE Before RETNo LVI Mitigation3K6K9K12K15KMin: 1458.98 / Avg: 1459.64 / Max: 1460.12Min: 1459.71 / Avg: 1460.06 / Max: 1460.28Min: 14797.29 / Avg: 15139.16 / Max: 15354.3Min: 15261.62 / Avg: 15368.4 / Max: 15475.07Min: 15211.15 / Avg: 15371.58 / Max: 15527.861. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: wyhashLFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation4080120160200SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 3SE +/- 0.00, N = 3199.77183.6148.4544.5930.871. (CXX) g++ options: -O3 -march=native -lpthread
OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: wyhashLFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation4080120160200Min: 199.76 / Avg: 199.77 / Max: 199.77Min: 183.6 / Avg: 183.61 / Max: 183.61Min: 48.43 / Avg: 48.45 / Max: 48.46Min: 44.56 / Avg: 44.59 / Max: 44.65Min: 30.87 / Avg: 30.87 / Max: 30.871. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: fasthash32LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch14002800420056007000SE +/- 0.06, N = 3SE +/- 0.06, N = 3SE +/- 2.59, N = 3SE +/- 4.58, N = 3SE +/- 2.33, N = 31108.261108.636301.256302.886305.001. (CXX) g++ options: -O3 -march=native -lpthread
OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: fasthash32LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch11002200330044005500Min: 1108.15 / Avg: 1108.26 / Max: 1108.34Min: 1108.51 / Avg: 1108.63 / Max: 1108.7Min: 6297.65 / Avg: 6301.25 / Max: 6306.27Min: 6293.81 / Avg: 6302.88 / Max: 6308.49Min: 6300.55 / Avg: 6305 / Max: 6308.451. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: fasthash32LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation50100150200250SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3205.40158.3292.4671.4239.971. (CXX) g++ options: -O3 -march=native -lpthread
OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: fasthash32LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation4080120160200Min: 205.38 / Avg: 205.4 / Max: 205.42Min: 158.31 / Avg: 158.32 / Max: 158.33Min: 92.44 / Avg: 92.46 / Max: 92.5Min: 71.41 / Avg: 71.42 / Max: 71.43Min: 39.96 / Avg: 39.97 / Max: 39.991. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: t1ha0_aes_avx2LFENCE After LoadLFENCE Load + Indirect Branch + RetNo LVI MitigationLFENCE Before Indirect BranchLFENCE Before RET9K18K27K36K45KSE +/- 0.19, N = 3SE +/- 1.85, N = 3SE +/- 278.78, N = 3SE +/- 549.98, N = 4SE +/- 280.18, N = 32536.982578.1739576.7739743.3740155.931. (CXX) g++ options: -O3 -march=native -lpthread
OpenBenchmarking.orgMiB/sec, More Is BetterSMHasher 2020-02-29Hash: t1ha0_aes_avx2LFENCE After LoadLFENCE Load + Indirect Branch + RetNo LVI MitigationLFENCE Before Indirect BranchLFENCE Before RET7K14K21K28K35KMin: 2536.7 / Avg: 2536.98 / Max: 2537.35Min: 2575.57 / Avg: 2578.17 / Max: 2581.76Min: 39077.08 / Avg: 39576.77 / Max: 40040.83Min: 39001.29 / Avg: 39743.37 / Max: 41360.13Min: 39751.03 / Avg: 40155.93 / Max: 40693.861. (CXX) g++ options: -O3 -march=native -lpthread

OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: t1ha0_aes_avx2LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation306090120150SE +/- 0.01, N = 3SE +/- 0.45, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 4SE +/- 0.01, N = 3129.63100.1473.1347.8140.411. (CXX) g++ options: -O3 -march=native -lpthread
OpenBenchmarking.orgcycles/hash, Fewer Is BetterSMHasher 2020-02-29Hash: t1ha0_aes_avx2LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation20406080100Min: 129.62 / Avg: 129.63 / Max: 129.64Min: 99.68 / Avg: 100.14 / Max: 101.04Min: 73.12 / Avg: 73.13 / Max: 73.15Min: 47.79 / Avg: 47.81 / Max: 47.82Min: 40.4 / Avg: 40.41 / Max: 40.421. (CXX) g++ options: -O3 -march=native -lpthread

FFTW

FFTW is a C subroutine library for computing the discrete Fourier transform (DFT) in one or more dimensions. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 128LFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation8K16K24K32K40KSE +/- 5.21, N = 3SE +/- 2.37, N = 3SE +/- 77.64, N = 3SE +/- 402.02, N = 6SE +/- 335.87, N = 3SE +/- 457.98, N = 33147.03179.78166.633109.034569.036207.0-fomit-frame-pointer -mtune=native -malign-double -fstrict-aliasing -fno-schedule-insns -ffast-math1. (CC) gcc options: -pthread -O3 -lm
OpenBenchmarking.orgMflops, More Is BetterFFTW 3.3.6Build: Float + SSE - Size: 2D FFT Size 128LFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation6K12K18K24K30KMin: 3140.5 / Avg: 3147 / Max: 3157.3Min: 3176.7 / Avg: 3179.73 / Max: 3184.4Min: 8011.4 / Avg: 8166.6 / Max: 8248.6Min: 32239 / Avg: 33108.67 / Max: 34497Min: 33997 / Avg: 34568.67 / Max: 35160Min: 35389 / Avg: 36206.67 / Max: 369731. (CC) gcc options: -pthread -O3 -lm

Timed MrBayes Analysis

This test performs a bayesian analysis of a set of primate genome sequences in order to estimate their phylogeny. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.2.7Primate Phylogeny AnalysisLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation2004006008001000SE +/- 0.22, N = 3SE +/- 0.18, N = 3SE +/- 0.43, N = 3SE +/- 0.06, N = 3SE +/- 1.31, N = 3SE +/- 0.03, N = 3865.30861.64401.2786.7381.2780.09-msse3 -msse4.1 -msse4.2 -maes -mavx -mfma -mavx2 -mrdrnd -mbmi -mbmi2 -madx -mmpx -mabm-msse3 -msse4.1 -msse4.2 -maes -mavx -mfma -mavx2 -mrdrnd -mbmi -mbmi2 -madx -mmpx -mabm-lreadline1. (CC) gcc options: -mmmx -msse -msse2 -mssse3 -O3 -std=c99 -pedantic -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed MrBayes Analysis 3.2.7Primate Phylogeny AnalysisLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation150300450600750Min: 865.02 / Avg: 865.3 / Max: 865.73Min: 861.32 / Avg: 861.64 / Max: 861.94Min: 400.41 / Avg: 401.27 / Max: 401.75Min: 86.66 / Avg: 86.73 / Max: 86.84Min: 79.9 / Avg: 81.27 / Max: 83.89Min: 80.04 / Avg: 80.09 / Max: 80.121. (CC) gcc options: -mmmx -msse -msse2 -mssse3 -O3 -std=c99 -pedantic -lm

Timed HMMer Search

This test searches through the Pfam database of profile hidden markov models. The search finds the domain structure of Drosophila Sevenless protein. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation1020304050SE +/- 0.228, N = 3SE +/- 0.047, N = 3SE +/- 0.079, N = 3SE +/- 0.053, N = 3SE +/- 0.020, N = 3SE +/- 0.005, N = 342.48730.05830.0265.7785.1905.172-O2-O3-O31. (CC) gcc options: -pthread -lhmmer -lsquid -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterTimed HMMer Search 2.3.2Pfam Database SearchCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation918273645Min: 42.21 / Avg: 42.49 / Max: 42.94Min: 30 / Avg: 30.06 / Max: 30.15Min: 29.89 / Avg: 30.03 / Max: 30.16Min: 5.72 / Avg: 5.78 / Max: 5.88Min: 5.16 / Avg: 5.19 / Max: 5.23Min: 5.16 / Avg: 5.17 / Max: 5.181. (CC) gcc options: -pthread -lhmmer -lsquid -lm

LAMMPS Molecular Dynamics Simulator

LAMMPS is a classical molecular dynamics code, and an acronym for Large-scale Atomic/Molecular Massively Parallel Simulator. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgns/day, More Is BetterLAMMPS Molecular Dynamics Simulator 9Jan2020Model: Rhodopsin ProteinLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch0.69551.3912.08652.7823.4775SE +/- 0.000, N = 3SE +/- 0.001, N = 3SE +/- 0.000, N = 3SE +/- 0.004, N = 3SE +/- 0.006, N = 3SE +/- 0.005, N = 30.2750.2751.0212.9993.0543.091-lpng -lz1. (CXX) g++ options: -O3 -rdynamic -ljpeg -lfftw3 -lm
OpenBenchmarking.orgns/day, More Is BetterLAMMPS Molecular Dynamics Simulator 9Jan2020Model: Rhodopsin ProteinLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch246810Min: 0.28 / Avg: 0.28 / Max: 0.28Min: 0.27 / Avg: 0.28 / Max: 0.28Min: 1.02 / Avg: 1.02 / Max: 1.02Min: 2.99 / Avg: 3 / Max: 3.01Min: 3.04 / Avg: 3.05 / Max: 3.07Min: 3.08 / Avg: 3.09 / Max: 3.11. (CXX) g++ options: -O3 -rdynamic -ljpeg -lfftw3 -lm

Botan

Botan is a cross-platform open-source C++ crypto library that supports most all publicly known cryptographic algorithms. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMiB/s, More Is BetterBotan 2.13.0Test: KASUMILFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch20406080100SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.04, N = 3SE +/- 0.02, N = 3SE +/- 0.05, N = 311.9511.9627.1494.3294.5394.561. (CXX) g++ options: -fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt
OpenBenchmarking.orgMiB/s, More Is BetterBotan 2.13.0Test: KASUMILFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch20406080100Min: 11.95 / Avg: 11.95 / Max: 11.95Min: 11.96 / Avg: 11.96 / Max: 11.96Min: 27.1 / Avg: 27.14 / Max: 27.16Min: 94.27 / Avg: 94.32 / Max: 94.4Min: 94.49 / Avg: 94.53 / Max: 94.57Min: 94.46 / Avg: 94.56 / Max: 94.611. (CXX) g++ options: -fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt

OpenBenchmarking.orgMiB/s, More Is BetterBotan 2.13.0Test: AES-256Core2Quad-Q6600LFENCE After LoadLFENCE Load + Indirect Branch + RetLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation9001800270036004500SE +/- 0.12, N = 3SE +/- 0.42, N = 3SE +/- 0.03, N = 3SE +/- 0.17, N = 3SE +/- 0.68, N = 3SE +/- 3.22, N = 378.52656.43667.163548.674012.194027.591. (CXX) g++ options: -fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt
OpenBenchmarking.orgMiB/s, More Is BetterBotan 2.13.0Test: AES-256Core2Quad-Q6600LFENCE After LoadLFENCE Load + Indirect Branch + RetLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation7001400210028003500Min: 78.29 / Avg: 78.52 / Max: 78.72Min: 655.73 / Avg: 656.43 / Max: 657.18Min: 667.1 / Avg: 667.16 / Max: 667.22Min: 3548.36 / Avg: 3548.67 / Max: 3548.96Min: 4011.23 / Avg: 4012.19 / Max: 4013.5Min: 4021.16 / Avg: 4027.59 / Max: 4031.121. (CXX) g++ options: -fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt

OpenBenchmarking.orgMiB/s, More Is BetterBotan 2.13.0Test: TwofishLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch80160240320400SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.06, N = 3SE +/- 0.26, N = 3SE +/- 0.27, N = 3SE +/- 0.01, N = 323.6323.66160.34361.86364.62365.471. (CXX) g++ options: -fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt
OpenBenchmarking.orgMiB/s, More Is BetterBotan 2.13.0Test: TwofishLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch70140210280350Min: 23.58 / Avg: 23.63 / Max: 23.65Min: 23.66 / Avg: 23.66 / Max: 23.67Min: 160.24 / Avg: 160.34 / Max: 160.44Min: 361.33 / Avg: 361.86 / Max: 362.13Min: 364.14 / Avg: 364.62 / Max: 365.06Min: 365.45 / Avg: 365.47 / Max: 365.51. (CXX) g++ options: -fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt

OpenBenchmarking.orgMiB/s, More Is BetterBotan 2.13.0Test: BlowfishLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch100200300400500SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.18, N = 3SE +/- 0.09, N = 3SE +/- 4.11, N = 3SE +/- 0.10, N = 327.0427.04184.67449.69450.39455.181. (CXX) g++ options: -fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt
OpenBenchmarking.orgMiB/s, More Is BetterBotan 2.13.0Test: BlowfishLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch80160240320400Min: 27.04 / Avg: 27.04 / Max: 27.04Min: 27.03 / Avg: 27.04 / Max: 27.05Min: 184.32 / Avg: 184.67 / Max: 184.91Min: 449.52 / Avg: 449.68 / Max: 449.82Min: 442.19 / Avg: 450.39 / Max: 455.09Min: 455.04 / Avg: 455.18 / Max: 455.381. (CXX) g++ options: -fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt

OpenBenchmarking.orgMiB/s, More Is BetterBotan 2.13.0Test: CAST-256LFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation306090120150SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.07, N = 3SE +/- 0.06, N = 3SE +/- 0.21, N = 3SE +/- 0.02, N = 313.7913.8468.29143.34143.74143.941. (CXX) g++ options: -fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt
OpenBenchmarking.orgMiB/s, More Is BetterBotan 2.13.0Test: CAST-256LFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation306090120150Min: 13.78 / Avg: 13.79 / Max: 13.8Min: 13.84 / Avg: 13.84 / Max: 13.84Min: 68.15 / Avg: 68.29 / Max: 68.37Min: 143.22 / Avg: 143.34 / Max: 143.41Min: 143.32 / Avg: 143.74 / Max: 143.97Min: 143.9 / Avg: 143.94 / Max: 143.981. (CXX) g++ options: -fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt

John The Ripper

This is a benchmark of John The Ripper, which is a password cracker. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: BlowfishLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch17003400510068008500SE +/- 3.18, N = 3SE +/- 1.45, N = 3SE +/- 0.88, N = 36466463072763277037704-lgmp1. (CC) gcc options: -m64 -lssl -lcrypto -fopenmp -pthread -lm -lz -ldl -lcrypt -lbz2
OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: BlowfishLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch13002600390052006500Min: 3066 / Avg: 3072.33 / Max: 3076Min: 7629 / Avg: 7631.67 / Max: 7634Min: 7703 / Avg: 7704.33 / Max: 77061. (CC) gcc options: -m64 -lssl -lcrypto -fopenmp -pthread -lm -lz -ldl -lcrypt -lbz2

OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: MD5LFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600No LVI MitigationLFENCE Before RETLFENCE Before Indirect Branch100K200K300K400K500KSE +/- 6.67, N = 3SE +/- 10.33, N = 3SE +/- 417.85, N = 3SE +/- 42.78, N = 3SE +/- 520.74, N = 3SE +/- 90.21, N = 3923529245797582438359442128450730-lgmp1. (CC) gcc options: -m64 -lssl -lcrypto -fopenmp -pthread -lm -lz -ldl -lcrypt -lbz2
OpenBenchmarking.orgReal C/S, More Is BetterJohn The Ripper 1.9.0-jumbo-1Test: MD5LFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600No LVI MitigationLFENCE Before RETLFENCE Before Indirect Branch80K160K240K320K400KMin: 92339 / Avg: 92352.33 / Max: 92359Min: 92436 / Avg: 92456.67 / Max: 92467Min: 96748 / Avg: 97582.33 / Max: 98041Min: 438279 / Avg: 438359.33 / Max: 438425Min: 441292 / Avg: 442128.33 / Max: 443084Min: 450560 / Avg: 450730.33 / Max: 4508671. (CC) gcc options: -m64 -lssl -lcrypto -fopenmp -pthread -lm -lz -ldl -lcrypt -lbz2

GraphicsMagick

This is a test of GraphicsMagick with its OpenMP implementation that performs various imaging tests on a sample 6000x4000 pixel JPEG image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: RotateLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation160320480640800SE +/- 0.67, N = 3SE +/- 2.19, N = 3SE +/- 1.00, N = 3SE +/- 8.62, N = 3SE +/- 0.33, N = 3162165239688720735-O3-O3-O2 -lwebp -lwebpmux -llcms2 -ltiff -lfreetype -ljasper -lXext -llzma -lzstd-O3-O3-O31. (CC) gcc options: -fopenmp -pthread -ljpeg -lSM -lICE -lX11 -lbz2 -lxml2 -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: RotateLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation130260390520650Min: 164 / Avg: 164.67 / Max: 166Min: 235 / Avg: 239.33 / Max: 242Min: 686 / Avg: 688 / Max: 689Min: 703 / Avg: 720 / Max: 731Min: 734 / Avg: 734.67 / Max: 7351. (CC) gcc options: -fopenmp -pthread -ljpeg -lSM -lICE -lX11 -lbz2 -lxml2 -lz -lm -lpthread

OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: ResizingLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before Indirect BranchLFENCE Before RETNo LVI Mitigation90180270360450SE +/- 1.73, N = 36565138435435437-O3-O3-O2 -lwebp -lwebpmux -llcms2 -ltiff -lfreetype -ljasper -lXext -llzma -lzstd-O3-O3-O31. (CC) gcc options: -fopenmp -pthread -ljpeg -lSM -lICE -lX11 -lbz2 -lxml2 -lz -lm -lpthread
OpenBenchmarking.orgIterations Per Minute, More Is BetterGraphicsMagick 1.3.33Operation: ResizingLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before Indirect BranchLFENCE Before RETNo LVI Mitigation80160240320400Min: 432 / Avg: 435 / Max: 4381. (CC) gcc options: -fopenmp -pthread -ljpeg -lSM -lICE -lX11 -lbz2 -lxml2 -lz -lm -lpthread

dav1d

Dav1d is an open-source, speedy AV1 video decoder. This test profile times how long it takes to decode sample AV1 video content. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFPS, More Is Betterdav1d 0.6.0Video Input: Summer Nature 1080pCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation60120180240300SE +/- 0.09, N = 3SE +/- 0.06, N = 3SE +/- 0.04, N = 3SE +/- 0.44, N = 3SE +/- 0.43, N = 3SE +/- 0.44, N = 355.1985.0485.95273.73279.92281.07MIN: 48.65 / MAX: 59.29-O3 - MIN: 78.13 / MAX: 96.33-O3 - MIN: 78.9 / MAX: 97.75-O3 - MIN: 248.49 / MAX: 298.86-O3 - MIN: 254.67 / MAX: 306.05-O3 - MIN: 263 / MAX: 305.721. (CC) gcc options: -pthread
OpenBenchmarking.orgFPS, More Is Betterdav1d 0.6.0Video Input: Summer Nature 1080pCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation50100150200250Min: 55.05 / Avg: 55.19 / Max: 55.36Min: 84.92 / Avg: 85.04 / Max: 85.12Min: 85.86 / Avg: 85.95 / Max: 85.99Min: 272.87 / Avg: 273.73 / Max: 274.36Min: 279.48 / Avg: 279.92 / Max: 280.77Min: 280.31 / Avg: 281.07 / Max: 281.831. (CC) gcc options: -pthread

SVT-AV1

This is a test of the Intel Open Visual Cloud Scalable Video Technology SVT-AV1 CPU-based multi-threaded video encoder for the AV1 video format with a sample 1080p YUV video file. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-AV1 0.8Encoder Mode: Enc Mode 8 - Input: 1080pCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation48121620SE +/- 0.000, N = 3SE +/- 0.001, N = 3SE +/- 0.003, N = 3SE +/- 0.020, N = 3SE +/- 0.015, N = 3SE +/- 0.012, N = 30.1802.1332.16912.15613.58013.841-O3-O3-O31. (CXX) g++ options: -fPIE -fPIC -pie
OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-AV1 0.8Encoder Mode: Enc Mode 8 - Input: 1080pCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation48121620Min: 0.18 / Avg: 0.18 / Max: 0.18Min: 2.13 / Avg: 2.13 / Max: 2.14Min: 2.16 / Avg: 2.17 / Max: 2.17Min: 12.13 / Avg: 12.16 / Max: 12.19Min: 13.55 / Avg: 13.58 / Max: 13.6Min: 13.83 / Avg: 13.84 / Max: 13.861. (CXX) g++ options: -fPIE -fPIC -pie

SVT-HEVC

This is a test of the Intel Open Visual Cloud Scalable Video Technology SVT-HEVC CPU-based multi-threaded video encoder for the HEVC / H.265 video format with a sample 1080p YUV video file. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-HEVC 1.4.11080p 8-bit YUV To HEVC Video EncodeLFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation612182430SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.03, N = 33.793.8821.2823.8324.411. (CC) gcc options: -O3 -fPIE -fPIC -O2 -pie -rdynamic -lpthread -lrt
OpenBenchmarking.orgFrames Per Second, More Is BetterSVT-HEVC 1.4.11080p 8-bit YUV To HEVC Video EncodeLFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation612182430Min: 3.79 / Avg: 3.79 / Max: 3.79Min: 3.88 / Avg: 3.88 / Max: 3.88Min: 21.27 / Avg: 21.28 / Max: 21.29Min: 23.81 / Avg: 23.83 / Max: 23.85Min: 24.35 / Avg: 24.41 / Max: 24.451. (CC) gcc options: -O3 -fPIE -fPIC -O2 -pie -rdynamic -lpthread -lrt

VP9 libvpx Encoding

This is a standard video encoding performance test of Google's libvpx library and the vpxenc command for the VP9/WebM format using a sample 1080p video. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is BetterVP9 libvpx Encoding 1.8.2Speed: Speed 5LFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation612182430SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.06, N = 5SE +/- 0.02, N = 3SE +/- 0.03, N = 3SE +/- 0.04, N = 32.592.634.6220.3223.7023.861. (CXX) g++ options: -m64 -lm -lpthread -O3 -fPIC -U_FORTIFY_SOURCE -std=c++11
OpenBenchmarking.orgFrames Per Second, More Is BetterVP9 libvpx Encoding 1.8.2Speed: Speed 5LFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation612182430Min: 2.59 / Avg: 2.59 / Max: 2.6Min: 2.63 / Avg: 2.63 / Max: 2.63Min: 4.4 / Avg: 4.62 / Max: 4.7Min: 20.29 / Avg: 20.32 / Max: 20.36Min: 23.67 / Avg: 23.7 / Max: 23.75Min: 23.81 / Avg: 23.86 / Max: 23.941. (CXX) g++ options: -m64 -lm -lpthread -O3 -fPIC -U_FORTIFY_SOURCE -std=c++11

x264

This is a simple test of the x264 encoder run on the CPU (OpenCL support disabled) with a sample video file. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2019-12-17H.264 Video EncodingCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation1020304050SE +/- 0.10, N = 15SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.11, N = 3SE +/- 0.28, N = 3SE +/- 0.49, N = 310.1010.5910.8141.3043.5944.54-llsmash -lavformat -lavcodec -lavutil -lswscale1. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fPIC -fomit-frame-pointer -fno-tree-vectorize
OpenBenchmarking.orgFrames Per Second, More Is Betterx264 2019-12-17H.264 Video EncodingCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation918273645Min: 9.06 / Avg: 10.1 / Max: 10.32Min: 10.56 / Avg: 10.59 / Max: 10.61Min: 10.8 / Avg: 10.81 / Max: 10.82Min: 41.08 / Avg: 41.3 / Max: 41.42Min: 43.13 / Avg: 43.59 / Max: 44.09Min: 43.58 / Avg: 44.54 / Max: 45.21. (CC) gcc options: -ldl -m64 -lm -lpthread -O3 -ffast-math -std=gnu99 -fPIC -fomit-frame-pointer -fno-tree-vectorize

ACES DGEMM

This is a multi-threaded DGEMM benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgGFLOP/s, More Is BetterACES DGEMM 1.0Sustained Floating-Point RateCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadNo LVI MitigationLFENCE Before Indirect BranchLFENCE Before RET0.25530.51060.76591.02121.2765SE +/- 0.000168, N = 3SE +/- 0.001089, N = 3SE +/- 0.000251, N = 3SE +/- 0.009404, N = 3SE +/- 0.009027, N = 3SE +/- 0.011024, N = 30.0654780.1968990.1991131.1216841.1250631.1346891. (CC) gcc options: -O3 -march=native -fopenmp
OpenBenchmarking.orgGFLOP/s, More Is BetterACES DGEMM 1.0Sustained Floating-Point RateCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadNo LVI MitigationLFENCE Before Indirect BranchLFENCE Before RET246810Min: 0.07 / Avg: 0.07 / Max: 0.07Min: 0.19 / Avg: 0.2 / Max: 0.2Min: 0.2 / Avg: 0.2 / Max: 0.2Min: 1.1 / Avg: 1.12 / Max: 1.14Min: 1.11 / Avg: 1.13 / Max: 1.14Min: 1.12 / Avg: 1.13 / Max: 1.161. (CC) gcc options: -O3 -march=native -fopenmp

Coremark

This is a test of EEMBC CoreMark processor benchmark. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIterations/Sec, More Is BetterCoremark 1.0CoreMark Size 666 - Iterations Per SecondLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation30K60K90K120K150KSE +/- 3.16, N = 3SE +/- 15.75, N = 3SE +/- 78.51, N = 3SE +/- 696.48, N = 3SE +/- 406.60, N = 3SE +/- 594.80, N = 329308.8030075.8343182.06150838.39155387.19155734.93-O3-O3-O31. (CC) gcc options: -O2 -lrt" -lrt
OpenBenchmarking.orgIterations/Sec, More Is BetterCoremark 1.0CoreMark Size 666 - Iterations Per SecondLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation30K60K90K120K150KMin: 29304.03 / Avg: 29308.8 / Max: 29314.77Min: 30058.24 / Avg: 30075.83 / Max: 30107.26Min: 43026.95 / Avg: 43182.06 / Max: 43280.68Min: 149476.83 / Avg: 150838.39 / Max: 151773.86Min: 154649.14 / Avg: 155387.19 / Max: 156051.89Min: 154813.74 / Avg: 155734.93 / Max: 156847.371. (CC) gcc options: -O2 -lrt" -lrt

Himeno Benchmark

The Himeno benchmark is a linear solver of pressure Poisson using a point-Jacobi method. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before Indirect BranchLFENCE Before RETNo LVI Mitigation8001600240032004000SE +/- 0.04, N = 3SE +/- 0.03, N = 3SE +/- 1.30, N = 3SE +/- 2.74, N = 3SE +/- 2.71, N = 3SE +/- 8.50, N = 3182.68182.691158.733495.073502.543504.38-mavx2-mavx2-mavx21. (CC) gcc options: -O3
OpenBenchmarking.orgMFLOPS, More Is BetterHimeno Benchmark 3.0Poisson Pressure SolverLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before Indirect BranchLFENCE Before RETNo LVI Mitigation6001200180024003000Min: 182.61 / Avg: 182.68 / Max: 182.72Min: 182.64 / Avg: 182.69 / Max: 182.74Min: 1156.26 / Avg: 1158.73 / Max: 1160.65Min: 3491.01 / Avg: 3495.07 / Max: 3500.28Min: 3497.99 / Avg: 3502.54 / Max: 3507.37Min: 3491.02 / Avg: 3504.38 / Max: 3520.181. (CC) gcc options: -O3

C-Ray

This is a test of C-Ray, a simple raytracer designed to test the floating-point CPU performance. This test is multi-threaded (16 threads per core), will shoot 8 rays per pixel for anti-aliasing, and will generate a 1600 x 1200 image. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time - 4K, 16 Rays Per PixelLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch30060090012001500SE +/- 0.84, N = 3SE +/- 0.56, N = 3SE +/- 0.07, N = 3SE +/- 0.02, N = 3SE +/- 0.06, N = 3SE +/- 0.05, N = 31235.081234.59443.61161.23160.75160.741. (CC) gcc options: -lm -lpthread -O3
OpenBenchmarking.orgSeconds, Fewer Is BetterC-Ray 1.1Total Time - 4K, 16 Rays Per PixelLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch2004006008001000Min: 1233.6 / Avg: 1235.08 / Max: 1236.51Min: 1233.59 / Avg: 1234.59 / Max: 1235.54Min: 443.48 / Avg: 443.61 / Max: 443.7Min: 161.21 / Avg: 161.23 / Max: 161.28Min: 160.68 / Avg: 160.75 / Max: 160.87Min: 160.66 / Avg: 160.74 / Max: 160.821. (CC) gcc options: -lm -lpthread -O3

FLAC Audio Encoding

This test times how long it takes to encode a sample WAV file to FLAC format five times. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch20406080100SE +/- 0.094, N = 5SE +/- 0.023, N = 5SE +/- 0.161, N = 5SE +/- 0.005, N = 5SE +/- 0.004, N = 5SE +/- 0.008, N = 597.94197.73244.6979.0068.9228.879-O3-O3-O2 -logg1. (CXX) g++ options: -fvisibility=hidden -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterFLAC Audio Encoding 1.3.2WAV To FLACLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch20406080100Min: 97.82 / Avg: 97.94 / Max: 98.31Min: 97.67 / Avg: 97.73 / Max: 97.8Min: 44.24 / Avg: 44.7 / Max: 45.13Min: 8.99 / Avg: 9.01 / Max: 9.02Min: 8.91 / Avg: 8.92 / Max: 8.94Min: 8.86 / Avg: 8.88 / Max: 8.91. (CXX) g++ options: -fvisibility=hidden -lm

LAME MP3 Encoding

LAME is an MP3 encoder licensed under the LGPL. This test measures the time required to encode a WAV file to MP3 format. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3LFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation20406080100SE +/- 0.016, N = 3SE +/- 0.005, N = 3SE +/- 0.069, N = 3SE +/- 0.001, N = 3SE +/- 0.003, N = 3SE +/- 0.004, N = 377.14976.72774.7589.3818.7008.641-O3 -ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr -pipe-O3 -ffast-math -funroll-loops -fschedule-insns2 -fbranch-count-reg -fforce-addr -pipe1. (CC) gcc options: -lncurses -lm
OpenBenchmarking.orgSeconds, Fewer Is BetterLAME MP3 Encoding 3.100WAV To MP3LFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation1530456075Min: 77.12 / Avg: 77.15 / Max: 77.18Min: 76.72 / Avg: 76.73 / Max: 76.73Min: 74.63 / Avg: 74.76 / Max: 74.85Min: 9.38 / Avg: 9.38 / Max: 9.38Min: 8.7 / Avg: 8.7 / Max: 8.71Min: 8.64 / Avg: 8.64 / Max: 8.651. (CC) gcc options: -lncurses -lm

OpenSSL

OpenSSL is an open-source toolkit that implements SSL (Secure Sockets Layer) and TLS (Transport Layer Security) protocols. This test measures the RSA 4096-bit performance of OpenSSL. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.1.1RSA 4096-bit PerformanceLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation30060090012001500SE +/- 0.00, N = 3SE +/- 0.00, N = 3SE +/- 0.06, N = 3SE +/- 0.70, N = 3SE +/- 0.63, N = 3SE +/- 1.65, N = 3138.1138.1198.51214.91217.51217.61. (CC) gcc options: -pthread -m64 -O3 -lssl -lcrypto -ldl
OpenBenchmarking.orgSigns Per Second, More Is BetterOpenSSL 1.1.1RSA 4096-bit PerformanceLFENCE After LoadLFENCE Load + Indirect Branch + RetCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation2004006008001000Min: 138.1 / Avg: 138.1 / Max: 138.1Min: 138.1 / Avg: 138.1 / Max: 138.1Min: 198.4 / Avg: 198.5 / Max: 198.6Min: 1213.8 / Avg: 1214.9 / Max: 1216.2Min: 1216.6 / Avg: 1217.47 / Max: 1218.7Min: 1214.3 / Avg: 1217.6 / Max: 1219.31. (CC) gcc options: -pthread -m64 -O3 -lssl -lcrypto -ldl

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Hot ReadLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation1.29292.58583.87875.17166.4645SE +/- 0.011, N = 3SE +/- 0.011, N = 3SE +/- 0.066, N = 3SE +/- 0.016, N = 3SE +/- 0.029, N = 3SE +/- 0.010, N = 35.7465.5575.0423.8333.5353.4381. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Hot ReadLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation246810Min: 5.72 / Avg: 5.75 / Max: 5.76Min: 5.54 / Avg: 5.56 / Max: 5.58Min: 4.96 / Avg: 5.04 / Max: 5.17Min: 3.8 / Avg: 3.83 / Max: 3.85Min: 3.49 / Avg: 3.53 / Max: 3.59Min: 3.42 / Avg: 3.44 / Max: 3.451. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Fill SyncLFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before Indirect BranchLFENCE Before RETNo LVI MitigationCore2Quad-Q660014002800420056007000SE +/- 9.49, N = 3SE +/- 121.57, N = 15SE +/- 26.04, N = 3SE +/- 102.63, N = 15SE +/- 114.30, N = 3SE +/- 1.68, N = 46343.596279.416172.766140.016078.9551.561. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Fill SyncLFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before Indirect BranchLFENCE Before RETNo LVI MitigationCore2Quad-Q660011002200330044005500Min: 6329.68 / Avg: 6343.59 / Max: 6361.73Min: 5069.23 / Avg: 6279.41 / Max: 6527.08Min: 6123.64 / Avg: 6172.76 / Max: 6212.31Min: 5134.49 / Avg: 6140.01 / Max: 6397.07Min: 5851.51 / Avg: 6078.95 / Max: 6212.6Min: 47.87 / Avg: 51.56 / Max: 55.321. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random ReadLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch1.30372.60743.91115.21486.5185SE +/- 0.007, N = 3SE +/- 0.001, N = 3SE +/- 0.043, N = 3SE +/- 0.036, N = 3SE +/- 0.003, N = 3SE +/- 0.034, N = 35.7945.5614.9693.8003.4693.4581. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Random ReadLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETNo LVI MitigationLFENCE Before Indirect Branch246810Min: 5.78 / Avg: 5.79 / Max: 5.81Min: 5.56 / Avg: 5.56 / Max: 5.56Min: 4.92 / Avg: 4.97 / Max: 5.06Min: 3.76 / Avg: 3.8 / Max: 3.87Min: 3.47 / Avg: 3.47 / Max: 3.48Min: 3.41 / Avg: 3.46 / Max: 3.531. (CXX) g++ options: -O3 -lsnappy -lpthread

OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Seek RandomLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation3691215SE +/- 0.039, N = 3SE +/- 0.039, N = 3SE +/- 0.030, N = 3SE +/- 0.045, N = 3SE +/- 0.034, N = 3SE +/- 0.013, N = 310.96310.5407.6305.3434.6704.5811. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMicroseconds Per Op, Fewer Is BetterLevelDB 1.22Benchmark: Seek RandomLFENCE Load + Indirect Branch + RetLFENCE After LoadCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation3691215Min: 10.9 / Avg: 10.96 / Max: 11.04Min: 10.47 / Avg: 10.54 / Max: 10.6Min: 7.58 / Avg: 7.63 / Max: 7.68Min: 5.29 / Avg: 5.34 / Max: 5.43Min: 4.6 / Avg: 4.67 / Max: 4.72Min: 4.55 / Avg: 4.58 / Max: 4.61. (CXX) g++ options: -O3 -lsnappy -lpthread

PostgreSQL pgbench

This is a simple benchmark of PostgreSQL using pgbench. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation20K40K60K80K100KSE +/- 263.95, N = 15SE +/- 47.38, N = 3SE +/- 54.85, N = 3SE +/- 196.17, N = 3SE +/- 95.59, N = 3SE +/- 413.63, N = 332157.3945420.1849296.66101653.33107867.87109133.83-O2-O3-O3-O3-O3-O31. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read OnlyCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation20K40K60K80K100KMin: 31284.84 / Avg: 32157.39 / Max: 34064.02Min: 45352.61 / Avg: 45420.18 / Max: 45511.5Min: 49194.48 / Avg: 49296.66 / Max: 49382.31Min: 101273.02 / Avg: 101653.33 / Max: 101926.98Min: 107681.46 / Avg: 107867.87 / Max: 107997.85Min: 108312.57 / Avg: 109133.83 / Max: 109630.551. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadNo LVI MitigationLFENCE Before Indirect BranchLFENCE Before RET14002800420056007000SE +/- 0.93, N = 3SE +/- 71.67, N = 3SE +/- 19.12, N = 3SE +/- 63.09, N = 15SE +/- 42.83, N = 3SE +/- 98.41, N = 3389.685255.455470.216337.406489.726622.94-O3-O3-O3-O3-O31. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm
OpenBenchmarking.orgTPS, More Is BetterPostgreSQL pgbench 12.0Scaling: Buffer Test - Test: Normal Load - Mode: Read WriteCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadNo LVI MitigationLFENCE Before Indirect BranchLFENCE Before RET11002200330044005500Min: 387.83 / Avg: 389.68 / Max: 390.8Min: 5112.18 / Avg: 5255.45 / Max: 5331.12Min: 5445.31 / Avg: 5470.21 / Max: 5507.79Min: 5893.6 / Avg: 6337.4 / Max: 6798.17Min: 6410.43 / Avg: 6489.72 / Max: 6557.42Min: 6499.69 / Avg: 6622.94 / Max: 6817.441. (CC) gcc options: -fno-strict-aliasing -fwrapv -lpgcommon -lpgport -lpq -lpthread -lrt -lcrypt -ldl -lm

Redis

Redis is an open-source data structure server. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 5.0.5Test: GETCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before Indirect BranchNo LVI MitigationLFENCE Before RET600K1200K1800K2400K3000KSE +/- 4095.90, N = 3SE +/- 20411.81, N = 3SE +/- 6290.25, N = 3SE +/- 37253.75, N = 3SE +/- 33984.11, N = 15SE +/- 23623.92, N = 3816590.002157109.922290110.922807336.752902781.852964800.421. (CXX) g++ options: -MM -MT -g3 -fvisibility=hidden -O3
OpenBenchmarking.orgRequests Per Second, More Is BetterRedis 5.0.5Test: GETCore2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before Indirect BranchNo LVI MitigationLFENCE Before RET500K1000K1500K2000K2500KMin: 808407.44 / Avg: 816590 / Max: 821018Min: 2118644 / Avg: 2157109.92 / Max: 2188183.75Min: 2277904.25 / Avg: 2290110.92 / Max: 2298850.5Min: 2770083 / Avg: 2807336.75 / Max: 2881844.25Min: 2564102.75 / Avg: 2902781.85 / Max: 3021148Min: 2941176.5 / Avg: 2964800.42 / Max: 3012048.251. (CXX) g++ options: -MM -MT -g3 -fvisibility=hidden -O3

Sysbench

This is a benchmark of Sysbench with CPU and memory sub-tests. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgEvents Per Second, More Is BetterSysbench 2018-07-28Test: CPUCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI MitigationLFENCE After LoadLFENCE Load + Indirect Branch + Ret2K4K6K8K10KSE +/- 0.96, N = 3SE +/- 1.05, N = 3SE +/- 0.77, N = 3SE +/- 0.57, N = 3SE +/- 0.95, N = 3SE +/- 0.43, N = 32022.788475.188482.748864.009160.589160.691. (CC) gcc options: -pthread -O3 -funroll-loops -ggdb3 -march=core2 -rdynamic -ldl -laio -lm
OpenBenchmarking.orgEvents Per Second, More Is BetterSysbench 2018-07-28Test: CPUCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchNo LVI MitigationLFENCE After LoadLFENCE Load + Indirect Branch + Ret16003200480064008000Min: 2020.86 / Avg: 2022.78 / Max: 2023.87Min: 8473.29 / Avg: 8475.18 / Max: 8476.9Min: 8481.39 / Avg: 8482.74 / Max: 8484.06Min: 8862.87 / Avg: 8864 / Max: 8864.57Min: 9158.88 / Avg: 9160.58 / Max: 9162.18Min: 9159.85 / Avg: 9160.69 / Max: 9161.281. (CC) gcc options: -pthread -O3 -funroll-loops -ggdb3 -march=core2 -rdynamic -ldl -laio -lm

Facebook RocksDB

This is a benchmark of Facebook's RocksDB as an embeddable persistent key-value store for fast storage based on Google's LevelDB. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Read While WritingCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchLFENCE Load + Indirect Branch + RetLFENCE After LoadNo LVI Mitigation200K400K600K800K1000KSE +/- 829.70, N = 3SE +/- 10108.45, N = 3SE +/- 6920.01, N = 3SE +/- 1624.30, N = 3SE +/- 6024.37, N = 3SE +/- 14182.06, N = 31947348998059014279043759116719258491. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread
OpenBenchmarking.orgOp/s, More Is BetterFacebook RocksDB 6.3.6Test: Read While WritingCore2Quad-Q6600LFENCE Before RETLFENCE Before Indirect BranchLFENCE Load + Indirect Branch + RetLFENCE After LoadNo LVI Mitigation160K320K480K640K800KMin: 193219 / Avg: 194733.67 / Max: 196078Min: 884599 / Avg: 899805 / Max: 918946Min: 890336 / Avg: 901427 / Max: 914142Min: 902519 / Avg: 904375 / Max: 907612Min: 904388 / Avg: 911671 / Max: 923625Min: 902101 / Avg: 925849.33 / Max: 9511551. (CXX) g++ options: -O3 -march=native -std=c++11 -fno-builtin-memcmp -fno-rtti -rdynamic -lpthread

Memcached mcperf

This is a test of twmperf/mcperf with memcached, a distributed memory object caching system. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.6.0Method: Add - Connections: 1Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation16K32K48K64K80KSE +/- 45.94, N = 3SE +/- 115.20, N = 3SE +/- 120.28, N = 3SE +/- 475.38, N = 3SE +/- 230.88, N = 3SE +/- 110.28, N = 314265.569416.769923.172552.073822.374622.1-O3-O3-O3-O3-O31. (CC) gcc options: -lm -rdynamic
OpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.6.0Method: Add - Connections: 1Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation13K26K39K52K65KMin: 14179.1 / Avg: 14265.47 / Max: 14335.8Min: 69252.8 / Avg: 69416.73 / Max: 69638.9Min: 69749.4 / Avg: 69923.13 / Max: 70154.1Min: 71635 / Avg: 72551.97 / Max: 73228Min: 73542.8 / Avg: 73822.33 / Max: 74280.4Min: 74492.1 / Avg: 74622.1 / Max: 74841.41. (CC) gcc options: -lm -rdynamic

OpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.6.0Method: Get - Connections: 1Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before Indirect BranchLFENCE Before RETNo LVI Mitigation30K60K90K120K150KSE +/- 42.44, N = 3SE +/- 214.95, N = 3SE +/- 613.45, N = 3SE +/- 188.33, N = 3SE +/- 529.02, N = 3SE +/- 1437.67, N = 323106.3108597.8112679.3122542.8125504.0126791.2-O3-O3-O3-O3-O31. (CC) gcc options: -lm -rdynamic
OpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.6.0Method: Get - Connections: 1Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before Indirect BranchLFENCE Before RETNo LVI Mitigation20K40K60K80K100KMin: 23053.8 / Avg: 23106.3 / Max: 23190.3Min: 108221.9 / Avg: 108597.8 / Max: 108966.4Min: 111900.1 / Avg: 112679.27 / Max: 113889.6Min: 122182.3 / Avg: 122542.77 / Max: 122817.6Min: 124454.1 / Avg: 125503.97 / Max: 126142.6Min: 124231.2 / Avg: 126791.17 / Max: 1292051. (CC) gcc options: -lm -rdynamic

OpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.6.0Method: Set - Connections: 1Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation16K32K48K64K80KSE +/- 56.59, N = 3SE +/- 383.89, N = 3SE +/- 157.67, N = 3SE +/- 129.57, N = 3SE +/- 149.20, N = 3SE +/- 403.77, N = 313919.768935.869868.972700.473056.174530.7-O3-O3-O3-O3-O31. (CC) gcc options: -lm -rdynamic
OpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.6.0Method: Set - Connections: 1Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETLFENCE Before Indirect BranchNo LVI Mitigation13K26K39K52K65KMin: 13820.5 / Avg: 13919.7 / Max: 14016.5Min: 68169.4 / Avg: 68935.8 / Max: 69358.8Min: 69557.5 / Avg: 69868.93 / Max: 70067.5Min: 72441.3 / Avg: 72700.43 / Max: 72830.7Min: 72804.8 / Avg: 73056.07 / Max: 73321.1Min: 73832.4 / Avg: 74530.67 / Max: 75231.11. (CC) gcc options: -lm -rdynamic

OpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.6.0Method: Add - Connections: 16Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETNo LVI Mitigation16K32K48K64K80KSE +/- 49.25, N = 3SE +/- 85.00, N = 3SE +/- 120.20, N = 3SE +/- 114.33, N = 3SE +/- 293.57, N = 314078.369368.670035.372514.574588.5-O3-O3-O3-O31. (CC) gcc options: -lm -rdynamic
OpenBenchmarking.orgOperations Per Second, More Is BetterMemcached mcperf 1.6.0Method: Add - Connections: 16Core2Quad-Q6600LFENCE Load + Indirect Branch + RetLFENCE After LoadLFENCE Before RETNo LVI Mitigation13K26K39K52K65KMin: 13980.8 / Avg: 14078.27 / Max: 14139.3Min: 69238.5 / Avg: 69368.57 / Max: 69528.4Min: 69849.5 / Avg: 70035.3 / Max: 70260.3Min: 72337 / Avg: 72514.5 / Max: 72728.1Min: 74199.6 / Avg: 74588.5 / Max: 75163.91. (CC) gcc options: -lm -rdynamic

LevelDB

LevelDB is a key-value storage library developed by Google that supports making use of Snappy for data compression and has other modern features. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Fill SyncLFENCE Before Indirect BranchLFENCE Before RETCore2Quad-Q6600246810SE +/- 0.00, N = 3SE +/- 0.01, N = 15SE +/- 0.12, N = 40.10.18.01. (CXX) g++ options: -O3 -lsnappy -lpthread
OpenBenchmarking.orgMB/s, More Is BetterLevelDB 1.22Benchmark: Fill SyncLFENCE Before Indirect BranchLFENCE Before RETCore2Quad-Q66003691215Min: 0.1 / Avg: 0.1 / Max: 0.1Min: 0.1 / Avg: 0.12 / Max: 0.2Min: 7.7 / Avg: 7.95 / Max: 8.21. (CXX) g++ options: -O3 -lsnappy -lpthread

No LVI Mitigation

Environment Notes: CXXFLAGS=-O3 CFLAGS=-O3
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable

Testing initiated at 11 March 2020 18:26 by user phoronix.

LFENCE Before Indirect Branch

Environment Notes: CXXFLAGS="-O3 -Wa,-mlfence-before-indirect-branch=all" CFLAGS="-O3 -Wa,-mlfence-before-indirect-branch=all"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable

Testing initiated at 12 March 2020 11:51 by user phoronix.

LFENCE Before RET

Environment Notes: CXXFLAGS="-O3 -Wa,-mlfence-before-ret=or" CFLAGS="-O3 -Wa,-mlfence-before-ret=or"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable

Testing initiated at 12 March 2020 13:44 by user phoronix.

LFENCE After Load

Environment Notes: CXXFLAGS="-O3 -Wa,-mlfence-after-load=yes" CFLAGS="-O3 -Wa,-mlfence-after-load=yes"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable

Testing initiated at 12 March 2020 06:31 by user phoronix.

LFENCE Load + Indirect Branch + Ret

Processor: Intel Xeon E3-1275 v6 @ 4.20GHz (4 Cores / 8 Threads), Motherboard: ASUS P10S-M WS (4401 BIOS), Chipset: Intel Xeon E3-1200 v6/7th, Memory: 16GB, Disk: Samsung SSD 970 EVO Plus 500GB, Graphics: Intel HD P630 (1150MHz), Audio: Realtek ALC1150, Monitor: DELL S2409W, Network: 2 x Intel I210

OS: Ubuntu 20.04, Kernel: 5.4.0-14-generic (x86_64), Desktop: GNOME Shell 3.35.91, Display Server: X Server 1.20.7, Display Driver: modesetting 1.20.7, Compiler: GCC 9.2.1 20200304, File-System: ext4, Screen Resolution: 1920x1080

Environment Notes: CXXFLAGS="-O3 -Wa,-mlfence-after-load=yes -Wa,-mlfence-before-indirect-branch=all -Wa,-mlfence-before-ret=or" CFLAGS="-O3 -Wa,-mlfence-after-load=yes -Wa,-mlfence-before-indirect-branch=all -Wa,-mlfence-before-ret=or"
Compiler Notes: --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none,hsa --enable-plugin --enable-shared --enable-threads=posix --host=x86_64-linux-gnu --program-prefix=x86_64-linux-gnu- --target=x86_64-linux-gnu --with-abi=m64 --with-arch-32=i686 --with-default-libstdcxx-abi=new --with-gcc-major-version-only --with-multilib-list=m32,m64,mx32 --with-target-system-zlib=auto --with-tune=generic --without-cuda-driver -v
Processor Notes: Scaling Governor: intel_pstate powersave - CPU Microcode: 0xca
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + spec_store_bypass: Mitigation of SSB disabled via prctl and seccomp + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline IBPB: conditional IBRS_FW STIBP: conditional RSB filling + tsx_async_abort: Mitigation of Clear buffers; SMT vulnerable

Testing initiated at 11 March 2020 22:13 by user phoronix.

Core2Quad-Q6600

Processor: Intel Core 2 Quad Q6600 @ 2.40GHz (4 Cores), Motherboard: MSI MS-7350 v100 (V1.0A BIOS), Chipset: NVIDIA C55, Memory: 4096MB, Disk: 320GB Western Digital WD3200AVJS-6, Graphics: MSI NVIDIA GeForce 8600 GT 256MB, Audio: Realtek ALC888

OS: EndeavourOS rolling, Kernel: 5.5.8-arch1-1 (x86_64), Desktop: Xfce, Display Server: X Server 1.20.7, Display Driver: modesetting 1.20.7, Compiler: GCC 9.2.1 20200130 + Clang 9.0.1, File-System: ext4

Compiler Notes: --disable-libssp --disable-libstdcxx-pch --disable-libunwind-exceptions --disable-werror --enable-__cxa_atexit --enable-cet=auto --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-default-ssp --enable-gnu-indirect-function --enable-gnu-unique-object --enable-install-libiberty --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++,d --enable-lto --enable-multilib --enable-plugin --enable-shared --enable-threads=posix --mandir=/usr/share/man --with-isl --with-linker-hash-style=gnu
Processor Notes: Scaling Governor: acpi-cpufreq schedutil - CPU Microcode: 0xb6
Security Notes: itlb_multihit: KVM: Mitigation of Split huge pages + l1tf: Mitigation of PTE Inversion; VMX: EPT disabled + mds: Vulnerable: Clear buffers attempted no microcode; SMT disabled + meltdown: Mitigation of PTI + spec_store_bypass: Vulnerable + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Full generic retpoline STIBP: disabled RSB filling + tsx_async_abort: Not affected

Testing initiated at 13 March 2020 00:15 by user toggeton.