gcc_nopgo Intel Core i7-5820K testing with a ASUS X99-A/USB 3.1 (1702 BIOS) and NVIDIA GeForce GTX 1080 Ti 11264MB on Gentoo via the Phoronix Test Suite. lto_O3_graphite_kernel_nolto_O3_gcc_nopgo: Processor: Intel Core i7-5820K @ 3.50GHz (6 Cores / 12 Threads), Motherboard: ASUS X99-A/USB 3.1 (1702 BIOS), Memory: 32768MB, Disk: 4001GB Seagate ST4000NM0024-1HT + 512GB SAMSUNG MZVPV512HDGL-00000, Graphics: NVIDIA GeForce GTX 1080 Ti 11264MB (139/405MHz), Audio: Realtek ALC1150 OS: Gentoo, Kernel: 4.17.4-gentoo (x86_64), Desktop: KDE Plasma 5.13.2, Display Server: X Server 1.20.0, Display Driver: NVIDIA 396.24, Compiler: GCC 7.3.0 + Clang 6.0.1 + LLVM 6.0.1, File-System: ext4, Screen Resolution: 1024x768 lto_O3_graphite_kernel_nolto_O3_gcc_nopgo_test_optimized: Processor: Intel Core i7-5820K @ 3.50GHz (6 Cores / 12 Threads), Motherboard: ASUS X99-A/USB 3.1 (1702 BIOS), Memory: 32768MB, Disk: 4001GB Seagate ST4000NM0024-1HT + 512GB SAMSUNG MZVPV512HDGL-00000, Graphics: NVIDIA GeForce GTX 1080 Ti 11264MB (1177/5005MHz), Audio: Realtek ALC1150 OS: Gentoo, Kernel: 4.17.4-gentoo (x86_64), Desktop: KDE Plasma 5.13.2, Display Server: X Server 1.20.0, Display Driver: NVIDIA 396.24, Compiler: GCC 7.3.0 + Clang 6.0.1 + LLVM 6.0.1, File-System: ext4, Screen Resolution: 1024x768 Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better lto_O3_graphite_kernel_nolto_O3_gcc_nopgo ................ 576.73 |============ lto_O3_graphite_kernel_nolto_O3_gcc_nopgo_test_optimized . 591.19 |============ Timed Linux Kernel Compilation 4.13 Time To Compile Seconds < Lower Is Better lto_O3_graphite_kernel_nolto_O3_gcc_nopgo ................ 89.28 |============= lto_O3_graphite_kernel_nolto_O3_gcc_nopgo_test_optimized . 88.84 |=============