RAMstream

KVM testing on Ubuntu 24.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2405312-NE-RAMSTREAM25.

RAMstreamProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerOpenGLCompilerFile-SystemScreen ResolutionSystem Layer1 x 4GB RAM QEMU4 x Intel Core i7-7700HQ (4 Cores)QEMU Standard PC (Q35 + ICH9 2009) (1.15.0-1 BIOS)Intel 82G33/G31/P35/P31 + ICH91 x 4GB RAM QEMU40GBllvmpipeQEMU GenericRed Hat Virtio 1.0 deviceUbuntu 24.046.8.0-31-generic (x86_64)GNOME Shell 46.0X Server + Wayland4.5 Mesa 24.0.5-1ubuntu1 (LLVM 17.0.6 256 bits)GCC 13.2.0ext41600x900KVMOpenBenchmarking.org- Transparent Huge Pages: madvise- --build=x86_64-linux-gnu --disable-vtable-verify --disable-werror --enable-cet --enable-checking=release --enable-clocale=gnu --enable-default-pie --enable-gnu-unique-object --enable-languages=c,ada,c++,go,d,fortran,objc,obj-c++,m2 --enable-libphobos-checking=release --enable-libstdcxx-backtrace --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-defaulted --enable-offload-targets=nvptx-none=/build/gcc-13-uJ7kn6/gcc-13-13.2.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-13-uJ7kn6/gcc-13-13.2.0/debian/tmp-gcn/usr --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 - CPU Microcode: 0xf8- gather_data_sampling: Unknown: Dependent on hypervisor status + itlb_multihit: Not affected + l1tf: Mitigation of PTE Inversion; VMX: flush not necessary SMT disabled + mds: Mitigation of Clear buffers; SMT Host state unknown + meltdown: Mitigation of PTI + mmio_stale_data: Vulnerable: Clear buffers attempted no microcode; SMT Host state unknown + reg_file_data_sampling: Not affected + retbleed: Mitigation of IBRS + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of IBRS; IBPB: conditional; STIBP: disabled; RSB filling; PBRSB-eIBRS: Not affected; BHI: Syscall hardening KVM: SW loop + srbds: Unknown: Dependent on hypervisor status + tsx_async_abort: Not affected

RAMstreamstream: Copystream: Scalestream: Triadstream: Add1 x 4GB RAM QEMU23863.516686.618751.918753.5OpenBenchmarking.org

Stream

Type: Copy

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: Copy1 x 4GB RAM QEMU5K10K15K20K25KSE +/- 26.38, N = 523863.51. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Type: Scale

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: Scale1 x 4GB RAM QEMU4K8K12K16K20KSE +/- 22.48, N = 516686.61. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Type: Triad

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: Triad1 x 4GB RAM QEMU4K8K12K16K20KSE +/- 15.24, N = 518751.91. (CC) gcc options: -O3 -march=native -fopenmp

Stream

Type: Add

OpenBenchmarking.orgMB/s, More Is BetterStream 2013-01-17Type: Add1 x 4GB RAM QEMU4K8K12K16K20KSE +/- 15.69, N = 518753.51. (CC) gcc options: -O3 -march=native -fopenmp

Phoronix Test Suite v10.8.5