Apache2 QEMU Type Host + AMD mitigations and tweaks

KVM testing on Ubuntu 24.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2410205-NE-APACHE2QE63&grr.

Apache2 QEMU Type Host + AMD mitigations and tweaksProcessorMotherboardChipsetMemoryDiskNetworkOSKernelCompilerFile-SystemSystem LayerAMD EPYC 7313P 16-Core - - QEMU Standard PC (i440FXAMD EPYC 7313P 16-Core (4 Cores)QEMU Standard PC (i440FX + PIIX 1996) (rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org BIOS)Intel 440FX 82441FX PMC8GB35GB QEMU HDDRed Hat Virtio deviceUbuntu 24.046.8.0-47-generic (x86_64)GCC 13.2.0ext4KVMOpenBenchmarking.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: 0xa0011d1- gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Vulnerable: Safe RET no microcode + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: disabled; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Apache2 QEMU Type Host + AMD mitigations and tweaksapache: 4apache: 100apache: 20AMD EPYC 7313P 16-Core - - QEMU Standard PC (i440FX14256.3621336.7819574.35OpenBenchmarking.org

Apache HTTP Server

Concurrent Requests: 4

OpenBenchmarking.orgRequests Per Second, More Is BetterApache HTTP Server 2.4.56Concurrent Requests: 4AMD EPYC 7313P 16-Core - - QEMU Standard PC (i440FX3K6K9K12K15KSE +/- 20.86, N = 314256.361. (CC) gcc options: -lluajit-5.1 -lm -lssl -lcrypto -lpthread -ldl -std=c99 -O2

Apache HTTP Server

Concurrent Requests: 100

OpenBenchmarking.orgRequests Per Second, More Is BetterApache HTTP Server 2.4.56Concurrent Requests: 100AMD EPYC 7313P 16-Core - - QEMU Standard PC (i440FX5K10K15K20K25KSE +/- 106.91, N = 321336.781. (CC) gcc options: -lluajit-5.1 -lm -lssl -lcrypto -lpthread -ldl -std=c99 -O2

Apache HTTP Server

Concurrent Requests: 20

OpenBenchmarking.orgRequests Per Second, More Is BetterApache HTTP Server 2.4.56Concurrent Requests: 20AMD EPYC 7313P 16-Core - - QEMU Standard PC (i440FX4K8K12K16K20KSE +/- 25.40, N = 319574.351. (CC) gcc options: -lluajit-5.1 -lm -lssl -lcrypto -lpthread -ldl -std=c99 -O2

Phoronix Test Suite v10.8.5