python Intel Core i9-7980XE testing with a ASRock X299 Taichi XE (P1.60 BIOS) and eVGA NVIDIA GeForce GTX 970 4GB on Gentoo/Linux via the Phoronix Test Suite. LTO PGO STATIC: Processor: Intel Core i9-7980XE @ 4.40GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Taichi XE (P1.60 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 129024MB, Disk: 960GB INTEL SSDPED1D960GAY + 2000GB Western Digital WD20EARS-00S + 2000GB Seagate ST2000DM001-1CH1 + 3 x 2000GB Seagate ST2000DM001-1ER1 + 2000GB Western Digital WD20EARS-00M + 250GB HITACHI HTS54322, Graphics: eVGA NVIDIA GeForce GTX 970 4GB (135/324MHz), Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 + Intel Dual Band-AC 3168NGW OS: Gentoo/Linux, Kernel: 5.0.17-gentoo (x86_64), Display Server: X Server 1.20.5, Display Driver: modesetting 1.20.5, Vulkan: 1.1.119, Compiler: GCC 9.2.0 + Clang 9.0.0 + LLVM 9.0.0 + CUDA 10.1, File-System: ext4, Screen Resolution: 3840x1080 LTO PGO: Processor: Intel Core i9-7980XE @ 4.40GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Taichi XE (P1.60 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 129024MB, Disk: 960GB INTEL SSDPED1D960GAY + 2000GB Western Digital WD20EARS-00S + 2000GB Seagate ST2000DM001-1CH1 + 3 x 2000GB Seagate ST2000DM001-1ER1 + 2000GB Western Digital WD20EARS-00M + 250GB HITACHI HTS54322, Graphics: eVGA NVIDIA GeForce GTX 970 4GB (135/324MHz), Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 + Intel Dual Band-AC 3168NGW OS: Gentoo/Linux, Kernel: 5.0.17-gentoo (x86_64), Display Server: X Server 1.20.5, Display Driver: modesetting 1.20.5, Vulkan: 1.1.119, Compiler: GCC 9.2.0 + Clang 9.0.0 + LLVM 9.0.0 + CUDA 10.1, File-System: ext4, Screen Resolution: 3840x1080 LTO: Processor: Intel Core i9-7980XE @ 4.40GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Taichi XE (P1.60 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 129024MB, Disk: 960GB INTEL SSDPED1D960GAY + 2000GB Western Digital WD20EARS-00S + 2000GB Seagate ST2000DM001-1CH1 + 3 x 2000GB Seagate ST2000DM001-1ER1 + 2000GB Western Digital WD20EARS-00M + 250GB HITACHI HTS54322, Graphics: eVGA NVIDIA GeForce GTX 970 4GB (135/324MHz), Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 + Intel Dual Band-AC 3168NGW OS: Gentoo/Linux, Kernel: 5.0.17-gentoo (x86_64), Display Server: X Server 1.20.5, Display Driver: modesetting 1.20.5, Vulkan: 1.1.119, Compiler: GCC 9.2.0 + Clang 9.0.0 + LLVM 9.0.0 + CUDA 10.1, File-System: ext4, Screen Resolution: 3840x1080 no SEMINTERPOS: Processor: Intel Core i9-7980XE @ 4.40GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Taichi XE (P1.60 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 129024MB, Disk: 960GB INTEL SSDPED1D960GAY + 2000GB Western Digital WD20EARS-00S + 2000GB Seagate ST2000DM001-1CH1 + 3 x 2000GB Seagate ST2000DM001-1ER1 + 2000GB Western Digital WD20EARS-00M + 250GB HITACHI HTS54322, Graphics: eVGA NVIDIA GeForce GTX 970 4GB (135/324MHz), Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 + Intel Dual Band-AC 3168NGW OS: Gentoo/Linux, Kernel: 5.0.17-gentoo (x86_64), Display Server: X Server 1.20.5, Display Driver: modesetting 1.20.5, Vulkan: 1.1.119, Compiler: GCC 9.2.0 + Clang 9.0.0 + LLVM 9.0.0 + CUDA 10.1, File-System: ext4, Screen Resolution: 3840x1080 no SEMINTERPOS 2: Processor: Intel Core i9-7980XE @ 4.40GHz (18 Cores / 36 Threads), Motherboard: ASRock X299 Taichi XE (P1.60 BIOS), Chipset: Intel Sky Lake-E DMI3 Registers, Memory: 129024MB, Disk: 960GB INTEL SSDPED1D960GAY + 2000GB Western Digital WD20EARS-00S + 2000GB Seagate ST2000DM001-1CH1 + 3 x 2000GB Seagate ST2000DM001-1ER1 + 2000GB Western Digital WD20EARS-00M + 250GB HITACHI HTS54322, Graphics: eVGA NVIDIA GeForce GTX 970 4GB (135/324MHz), Audio: Realtek ALC1220, Network: Intel I219-V + Intel I211 + Intel Dual Band-AC 3168NGW OS: Gentoo/Linux, Kernel: 5.0.17-gentoo (x86_64), Display Server: X Server 1.20.5, Display Driver: modesetting 1.20.5, Vulkan: 1.1.119, Compiler: GCC 9.2.0 + Clang 9.0.0 + LLVM 9.0.0 + CUDA 10.1, File-System: ext4, Screen Resolution: 3840x1080 Compile Bench 0.6 Test: Compile MB/s > Higher Is Better LTO PGO STATIC . 2389 |======================================================= LTO PGO ........ 2425 |======================================================== LTO ............ 2408 |======================================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better LTO PGO STATIC . 549 |======================================================== LTO PGO ........ 560 |========================================================= LTO ............ 558 |========================================================= Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better LTO PGO STATIC . 2775 |======================================================== LTO PGO ........ 2795 |======================================================== LTO ............ 2794 |======================================================== Cython benchmark 0.27 Seconds < Lower Is Better LTO PGO STATIC ... 20.95 |================================================ LTO PGO .......... 21.30 |================================================= LTO .............. 22.99 |===================================================== no SEMINTERPOS 2 . 22.46 |==================================================== Numpy Benchmark Nanoseconds < Lower Is Better LTO PGO STATIC ... 4809434 |================================================ LTO PGO .......... 4812236 |================================================ LTO .............. 4826106 |================================================ no SEMINTERPOS 2 . 5134657 |=================================================== PyBench 2018-02-16 Total For Average Test Times Milliseconds < Lower Is Better LTO PGO STATIC ... 1050 |=============================================== LTO PGO .......... 1049 |=============================================== LTO .............. 1212 |====================================================== no SEMINTERPOS 2 . 1213 |======================================================