Link-Time Optimizations are optimizations done by the compiler at link-time, when interprocedural optimizations can be applied against the entire code-base as a whole of what's being compiled rather than just the scope of a single source file being compiled at a time.

Link-time optimization Articles & Reviews

GCC 12 Compiler Optimization Tuning With The AMD Ryzen Threadripper 3990X   Software   2022-07-19
Squeezing More Performance Out Of The Linux Kernel With Clang + LTO   Software   2021-07-21
LLVM Clang 12 Benchmarks At Varying Optimization Levels, LTO   Software   2021-06-25
Initial Fedora 32 vs. Fedora 33 Beta Benchmarks Point To Slightly Higher Performance   Operating Systems   2020-09-29
GCC 10 Link-Time Optimization Benchmarks On AMD Threadripper   Software   2020-01-07
GCC 4.7 Link-Time Optimization Performance   Software   2012-08-21
Benchmarks Of GCC 4.5.0 Compiler Performance   Software   2010-04-19

Link-time optimization Linux & Open-Source News

Mold 1.11 High Performance Linker Released With Initial POWER10 Support   Programming   2023-03-16
Mold 1.8 Released With More Features For This High Performance Linker   Programming   2022-12-26
NVIDIA CUDA 12.0 Released With Official JIT LTO, C++20 Dialect Support   NVIDIA   2022-12-09
Patches Posted For GCC LTO Optimizing The Linux Kernel   Linux Kernel   2022-11-14
Meson 0.64 Build System Released With Intel oneAPI Compiler Support, Incremental ThinLTO   Programming   2022-11-07
GCC 12 Profile Guided Optimization Benchmarks With The AMD Threadripper 3990X   GNU   2022-08-02
Mold 1.3 High Speed Linker Released With LTO Improvements   Programming   2022-06-18
Google Posts Latest Code For KCFI As Better Control-Flow Integrity For The Linux Kernel   Linux Security   2022-05-16
Mold 1.1.1 Released With Optimized Memory Usage, New Options   Programming   2022-03-08
Mold 1.1 High Performance Linker Brings Native LTO, RISC-V Support   Programming   2022-02-21
Mold 1.0.2 Released For This High Performance Linker   Programming   2022-01-23
LLVM Enjoyed Record Growth In 2021, Many Exciting Compiler Advancements   LLVM   2022-01-02
2021 Brought A Convenient Installer For Arch Linux, Powering The Steam Deck   Arch Linux   2021-12-31
Ubuntu Had A Great Year In Switching To Wayland, Continued Commercial Success   Ubuntu   2021-12-30
BOLT Close To Merging Into LLVM For Optimizing Performance Of Binaries   LLVM   2021-12-09
Intel Graphics Compiler 1.0.9289 Released As A Huge Update   Intel   2021-11-23
An Early Look At The GCC 12 Compiler Performance On AMD Zen 3   GNU   2021-10-22
Clang CFI Patches For The Linux Kernel Updated To Beef Up Security   Linux Kernel   2021-08-25
LE9, Canonical's Profits, Steam Deck, & Loongson 3A5000 Made For An Exciting July   Phoronix   2021-08-01
Intel Crocus, Linux 5.13, Other Vendor Happenings Made For An Exciting June   Phoronix   2021-06-30
Profile Guided Optimizations (PGO) Likely Coming To Linux 5.14 For Clang   Linux Kernel   2021-06-12
Linux 5.13 To Allow Zstd Compressed Modules, Zstd Update Pending With Faster Performance   Linux Kernel   2021-05-03
Clang CFI Support Upstreamed For Linux 5.13 - But Only On ARM64 For Now   LLVM   2021-04-30
QEMU 6.0 Released With AMD SEV-ES Encrypted Guest Support, Experimental Multi-Process   Virtualization   2021-04-29
Linux 5.12 Released With Intel Xe Variable Rate Refresh, Clang LTO, KFENCE + More   Linux Kernel   2021-04-25
The 12 Most Interesting Changes Of Linux 5.12 - PS5, N64, Intel VRR, RDNA2 OverDrive   Linux Kernel   2021-04-15
QEMU 6.0 On The Way With LTO Support, AMD SEV-ES Guests, Multi-Process Experiment   Virtualization   2021-03-25
Ubuntu 21.04 Moves Ahead With Enabling LTO Optimizations For Greater Performance   Ubuntu   2021-03-20
Clang CFI Patches For The Linux Kernel Aim To Provide Better Security   LLVM   2021-03-14
Arch Linux Looking To Employ LTO By Default, Possibly Raise x86-64 Requirements   Arch Linux   2021-03-09
Clang LTO Support Merged For Linux 5.12 Including ARM64 + x86_64   LLVM   2021-02-23
Clang LTO PR Submitted For Linux 5.12, But x86_64 Support Not Included Yet   Linux Kernel   2021-02-17
Building The Linux Kernel With Clang Continues To Be Useful, New Features Pursued   LLVM   2021-02-08
Ubuntu 21.04 To Turn On LTO Optimizations For Its Packages   Ubuntu   2021-01-29
Following LTO, Linux Kernel Patches Updated For PGO To Yield Faster Performance   LLVM   2021-01-14
Clang LTO Support Looks Like It Could Land For Linux 5.12   Linux Kernel   2021-01-11
2020 Was Another Interesting Year For Microsoft Around Open-Source/Linux   Microsoft   2020-12-28
Clang LTO Support For The Linux Kernel Spun Up A Seventh Time   Linux Kernel   2020-11-21
Fedora 33 Released With Workstation Using Btrfs By Default   Fedora   2020-10-27
Clang LTO Patches Updated For The Linux Kernel   Linux Kernel   2020-09-04
Intel mOS, Cachy, Mozilla Layoffs Were The Open-Source Buzz Of August   Phoronix   2020-09-01
Google Using AutoFDO On Linux Meant Up To 12% Less Cycles Spent Within The Kernel   Google   2020-08-28
Microsoft Is Exploring LTO+PGO For A Faster Linux Kernel   Microsoft   2020-08-27
Fedora 33 LTO Support Is Now In Good Shape For Faster, Smaller Packages   Fedora   2020-08-19
Fedora 33 Moving Closer To LTO-Optimizing Packages   Fedora   2020-08-09
Intel Cloud-Hypervisor 0.9 Brings io_uring Block Device Support For Faster Performance   Virtualization   2020-08-08
Google Posts Patches So The Linux Kernel Can Be LTO-Optimized By Clang   Linux Kernel   2020-06-24
GCC 10 Compiler Released With Radeon OpenMP/OpenACC Offload, Intel Tigerlake/Cooperlake   GNU   2020-05-07
There Are Many Interesting Google Summer of Code 2020 Open-Source Projects   Google   2020-05-07
Google's Propeller Is Beginning To Be Upstreamed For Spinning Faster Program Binaries   LLVM   2020-04-07
Mesa Developers Discuss LTO'ing + PGO'ing Builds For Greater Performance   Mesa   2020-02-13
Fedora 32 Aiming To Enable Link-Time Optimizations By Default For Packages   Fedora   2019-12-20
Video: 100+ Daily Performance Tests For Clear Linux + Intel's Other Full-Stack Optimizations   Clear Linux   2019-12-01
GNOME 3.35.2 Released As Another Step Towards The GNOME 3.36 Desktop   GNOME   2019-11-24
Fedora Stakeholders Debate Statically Linking Python For Better Performance   Fedora   2019-11-08
LLVM Clang RISC-V Now Supports LTO   LLVM   2019-10-16
GCC 10's LTO Will Make Use Of Available CPU Cores By Default   GNU   2019-08-04
OpenSUSE Enables LTO By Default For Tumbleweed - Smaller & Faster Binaries   SUSE   2019-07-17
GCC 10 Lands The Zstd LTO Bytecode Compression Support   GNU   2019-07-06
GCC Is Looking At Zstd For Compressing Its LTO Data   GNU   2019-06-21
OpenSUSE Tumbleweed Eyeing LTO By Default; GCC 9 Optimization Work Thanks To Firefox   GNU   2019-05-04
GCC 9.1 Released As Huge Compiler Update With D Language, Zen 2, OpenMP 5, C++2A, C2X   GNU   2019-05-03
At Least 27% Of Gentoo's Portage Can Be Easily LTO Optimized For Better Performance   Operating Systems   2019-04-17
Open-Source / Linux Letdowns For 2018   Free Software   2018-12-31
HardenedBSD 12 Released With Jailed Bhyve, Disables SMT By Default   BSD   2018-12-19
Intel's Vulkan Driver Is Working On A NIR Cache   Intel   2018-10-13
LTO'ing Mesa Is Getting Discussed For Performance & Binary Size Reasons   Mesa   2016-05-31
Recapping The New Features Of GCC 6: OpenMP 4.5, HSA, C++14, AMD Zen & More   GNU   2016-04-11
LTO'ing LibreOffice With GCC 6   LibreOffice   2016-03-19
GCC 5 Is Coming This Month With OpenMP 4.0, Offloading, Cilk Plus & More   GNU   2015-04-06
Biggest Linux Kernel Features & Work Of 2014   Linux Kernel   2014-12-27
GCC Compiler Optimization Benchmarks With A 16-Thread Haswell-EP   GNU   2014-11-11
New GCC 5.0 Changes, Command-Line Options That Landed So Far   GNU   2014-08-26
More "Mega Driver" Work Merged For Mesa   Mesa   2014-07-10
Trying Link-Time Optimizations On GCC 4.10   GNU   2014-06-23
Gallium3D "Mega Drivers" Might Be Ready For Merging In The Next Month   Mesa   2014-06-18
Marek Patches A "Mega Radeon" Driver   Radeon   2014-05-15
Intel Is Working On A Linux Networking Stack For Small Systems   Intel   2014-05-06
AMD's AM1 Platform & Linux 3.15 Dominated April   Phoronix   2014-04-30
GCC 4.9.0 Released, Brings Many Compiler Features   GNU   2014-04-22
Link-Time Optimizing Improved, But Still Takes A While On GCC 4.9   GNU   2014-04-13
The Linux 3.15 Kernel Is Going To Have A Lot Of Great Features   Linux Kernel   2014-04-12
Slides From The 2014 European LLVM Conference   LLVM   2014-04-12
Bringing Major Features, GCC 4.9 RC1 Has Been Released   GNU   2014-04-11
Torvalds Is Unconvinced By LTO'ing A Linux Kernel   Linux Kernel   2014-04-09
LTO Support Coming To Linux 3.15, Making For A Faster Kernel   Linux Kernel   2014-04-07
Features That Landed So Far For The Linux 3.15 Kernel   Linux Kernel   2014-04-07
Link-Time Optimizations Near Reality For x86 Linux Kernel   Linux Kernel   2014-04-01
Mozilla Updates To Rust 0.9 Programming Language   Mozilla   2014-01-10
Mesa Mega Driver Patches Published   Mesa   2013-09-30
"Mega Drivers" Still Being Targeted For Mesa   Mesa   2013-09-26
"Mega Drivers" Being Proposed For A Faster Mesa   Intel   2013-08-08
GCC 4.8 Release Brings Improved C++11, Optimizations   GNU   2013-03-22
GCC Link-Time Optimizations On The ARM Cortex-A9   Arm   2013-03-02
GCC 4.8 Has Support For AMD Steamroller, Jaguar   GNU   2013-02-16
Link-Time Optimizations With GCC 4.8   GNU   2013-02-09
Optimizing Mesa Performance With Compiler Flags   Mesa   2013-01-27
GCC 4.8 Has More Optimizations   GNU   2012-11-14
Building Gentoo Linux With LLVM/Clang   Operating Systems   2012-08-20
Link-Time Optimization To Speed Up The Linux Kernel   Intel   2012-08-19
A GCC Proposal To Build It Better, Faster   GNU   2012-07-12
GCC Turns 25 Years Old, GCC 4.7 Released   GNU   2012-03-22
The Prominent Changes For The GCC 4.7 Compiler   GNU   2012-03-15
GCC 4.7 Release Candidate 1 Offers Many Changes   GNU   2012-03-03
GCC 4.7 Moves Along Into Stage 4   GNU   2012-01-29
GCC 4.6 Brings Intel Optimizations, AVX, Improvements   GNU   2011-03-26
GCC 4.6 Release Candidate Comes w/o P1 Regressions   GNU   2011-03-14
GCC 4.6 Is Only Four Bugs Away From An RC   GNU   2011-03-07
GCC 4.6 Still Has Too Many Serious Regressions   GNU   2011-01-26