GCC LTO Kernel Patch

Intel Core i5-3360M testing with a HP 179B (68ICF Ver. F.42 BIOS) and Intel HD 4000 2GB on Ubuntu 20.04 via the Phoronix Test Suite.

HTML result view exported from: https://openbenchmarking.org/result/2109164-IB-GCCLTOKER80&sro.

GCC LTO Kernel PatchProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDesktopDisplay ServerOpenGLVulkanCompilerFile-SystemScreen Resolution5.13.16-xanmod1-rdb-cacule-intel lto gcc ofast5.13.14-xanmod1-rdb-cacule-intel o3Intel Core i5-3360M @ 2.80GHz (2 Cores / 4 Threads)HP 179B (68ICF Ver. F.42 BIOS)Intel 3rd Gen Core DRAM8GB240GB Western Digital WDS240G2G0A-Intel HD 4000 2GB (1200MHz)IDT 92HD81B1X5Intel 82579LM + Intel Centrino Advanced-N 6205Ubuntu 20.045.13.16-xanmod1-rdb-cacule-intel0fastltoagressive (x86_64)KDE Plasma 5.18.7X Server 1.20.114.2 Mesa 21.2.1 kisak-mesa PPA1.2.182GCC 11.2.0 + LLVM 10.0.1ext41366x7685.13.14-xanmod1-rdb-cacule-intel (x86_64)OpenBenchmarking.orgKernel Details- Transparent Huge Pages: madviseEnvironment Details- CXXFLAGS="-Ofast -march=native -flto=5 -fno-lto -fno-use-linker-plugin -fipa-cp-clone" LDFLAGS="-fuse-linker-plugin -fno-lto -fno-use-linker-plugin" CFLAGS="-Ofast -march=native -flto=5 -fno-lto -fno-use-linker-plugin -fipa-cp-clone" Compiler Details- --build=x86_64-linux-gnu --disable-cet --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++,m2 --enable-libphobos-checking=release --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-link-serialization=1 --enable-multiarch --enable-multilib --enable-nls --enable-objc-gc=auto --enable-offload-targets=nvptx-none=/build/gcc-11-11.2.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-11.2.0/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-build-config=bootstrap-lto-lean --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 Details- Scaling Governor: intel_cpufreq ondemand - CPU Microcode: 0x21Security Details- itlb_multihit: KVM: Mitigation of VMX disabled + 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: Vulnerable IBPB: disabled STIBP: disabled + srbds: Vulnerable: No microcode + tsx_async_abort: Not affected

GCC LTO Kernel Patchstress-ng: MMAPstress-ng: NUMAstress-ng: MEMFDstress-ng: Atomicstress-ng: Cryptostress-ng: Mallocstress-ng: RdRandstress-ng: Forkingstress-ng: IO_uringstress-ng: SENDFILEstress-ng: CPU Cachestress-ng: CPU Stressstress-ng: Semaphoresstress-ng: Matrix Mathstress-ng: Vector Mathstress-ng: Memory Copyingstress-ng: Socket Activitystress-ng: Context Switchingstress-ng: Glibc C String Functionsstress-ng: Glibc Qsort Data Sortingstress-ng: System V Message Passing5.13.16-xanmod1-rdb-cacule-intel lto gcc ofast5.13.14-xanmod1-rdb-cacule-intel o37.2629.9071.23158419.83257.217725551.82376628.0012761.021595.9725175.75233.762863.40279495.805880.305275.60474.791332.28751841.53131495.0420.321583213.417.0228.1268.20157603.51257.057848737.74376340.8512043.781579.2624664.78232.522873.59274755.215791.415272.75467.581294.94632897.88130417.2920.231505481.70OpenBenchmarking.org

Stress-NG

Test: MMAP

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: MMAP5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast246810SE +/- 0.02, N = 3SE +/- 0.02, N = 37.027.261. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: NUMA

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: NUMA5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast714212835SE +/- 0.18, N = 15SE +/- 0.38, N = 328.1229.901. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: MEMFD

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: MEMFD5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast1632486480SE +/- 0.04, N = 3SE +/- 0.14, N = 368.2071.231. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Atomic

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Atomic5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast30K60K90K120K150KSE +/- 318.54, N = 3SE +/- 478.91, N = 3157603.51158419.831. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Crypto

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Crypto5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast60120180240300SE +/- 0.06, N = 3SE +/- 0.19, N = 3257.05257.211. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Malloc

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Malloc5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast2M4M6M8M10MSE +/- 21377.13, N = 3SE +/- 865.40, N = 37848737.747725551.821. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: RdRand

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: RdRand5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast80K160K240K320K400KSE +/- 13.79, N = 3SE +/- 118.10, N = 3376340.85376628.001. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Forking

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Forking5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast3K6K9K12K15KSE +/- 40.65, N = 3SE +/- 110.39, N = 312043.7812761.021. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: IO_uring

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: IO_uring5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast30060090012001500SE +/- 130.09, N = 15SE +/- 79.96, N = 131579.261595.971. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: SENDFILE

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: SENDFILE5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast5K10K15K20K25KSE +/- 89.84, N = 3SE +/- 166.79, N = 324664.7825175.751. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: CPU Cache

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: CPU Cache5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast50100150200250SE +/- 2.26, N = 3SE +/- 2.44, N = 3232.52233.761. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: CPU Stress

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: CPU Stress5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast6001200180024003000SE +/- 4.16, N = 3SE +/- 3.41, N = 32873.592863.401. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Semaphores

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Semaphores5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast60K120K180K240K300KSE +/- 115.83, N = 3SE +/- 127.59, N = 3274755.21279495.801. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Matrix Math

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Matrix Math5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast13002600390052006500SE +/- 18.51, N = 3SE +/- 19.50, N = 35791.415880.301. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Vector Math

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Vector Math5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast11002200330044005500SE +/- 1.75, N = 3SE +/- 1.99, N = 35272.755275.601. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Memory Copying

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Memory Copying5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast100200300400500SE +/- 2.56, N = 3SE +/- 1.74, N = 3467.58474.791. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Socket Activity

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Socket Activity5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast30060090012001500SE +/- 2.66, N = 3SE +/- 0.59, N = 31294.941332.281. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Context Switching

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Context Switching5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast160K320K480K640K800KSE +/- 12925.63, N = 12SE +/- 2779.21, N = 3632897.88751841.531. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Glibc C String Functions

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Glibc C String Functions5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast30K60K90K120K150KSE +/- 358.29, N = 3SE +/- 115.12, N = 3130417.29131495.041. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: Glibc Qsort Data Sorting

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: Glibc Qsort Data Sorting5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast510152025SE +/- 0.10, N = 3SE +/- 0.01, N = 320.2320.321. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Stress-NG

Test: System V Message Passing

OpenBenchmarking.orgBogo Ops/s, More Is BetterStress-NG 0.13.02Test: System V Message Passing5.13.14-xanmod1-rdb-cacule-intel o35.13.16-xanmod1-rdb-cacule-intel lto gcc ofast300K600K900K1200K1500KSE +/- 3724.26, N = 3SE +/- 3696.93, N = 31505481.701583213.411. (CC) gcc options: -Ofast -march=native -flto=5 -fno-lto -fipa-cp-clone -O2 -std=gnu99 -lm -fuse-linker-plugin -lcrypt -lrt -lz -ldl -pthread -lapparmor -lc -latomic

Phoronix Test Suite v10.8.4