We have just released a new CppCon 2025 Video!

Why 99% of C++ Microbenchmarks Lie – and How to Write the 1% that Matter!- by @krisjusiak- CppCon 2025

youtu.be/s_cWIeo9r4I

#Coding #Cplusplus #Cpp #Programming #cppcon

Slides for @CppCon talk Performance Is Not a Number: Avoiding Microbenchmarking Pitfalls
kris-jusiak.github.io/talks/cppcon-2…

We have just released a new CppCon 2024 Video!

Template-less Metaprogramming in C++ - by @krisjusiak - CppCon 2024

youtu.be/yriNqhv-oM0

#Coding #Cplusplus #Cpp #Programming #cppcon

Slides for - 'Bitcoin Script - Implementation Details and Use Cases'
krzysztof-jusiak.github.io/talks/bitcoin-…
C++ focused - Open Content talk - from #CppCon Bitcoin track

[#cpp20] DIY - Dependency Injection Yourself
github.com/qlibs/di
godbolt.org/z/cPErnYzha

CppCon 2024 SESSION ANNOUNCEMENT: Template-less Meta-programming by @krisjusiak

cppcon2024.sched.com/event/1gZeh/te…

Register now: cppcon.org/registration/

#cpp #cplusplus #metaprogramming

[#cpp20/#cpp23] Memory allocators
- stack_allocator
- huge_page_allocator
- numa_allocator

github.com/qlibs/mem

Supports #cpp23 - wg21.link/P0401

[#cpp20] SWAR (en.wikipedia.org/wiki/SWAR) vs SIMD (wg21.link/P1928)
godbolt.org/z/xxKh5nh5x
github.com/qlibs/swar

[#cpp] Fast/Slow path
godbolt.org/z/5bEEzxhEz
github.com/qlibs/jmp

[#cpp] dispatching techniques with different trade-offs
godbolt.org/z/cfKP9E8W9
github.com/qlibs/jmp

[github.com/qlibs/mut] branchless variant with mutable branches via code patching vs std::variant
godbolt.org/z/GGTPqvY3b
godbolt.org/z/4GGc63hcM

[#cpp20] Zero/minimal overhead static/const branch library
github.com/boost-ext/sb
godbolt.org/z/Tdfoj1a57
godbolt.org/z/46815h4Kx

[#cpp20] Compelling meta-programming examples
godbolt.org/z/Pc57zE4a6
godbolt.org/z/8PYEveWza
godbolt.org/z/crbeMfo3r
(github.com/boost-ext/mp)

[#cpp20] mp2.0.0 - Back to the Future Meta-Programming!
github.com/boost-ext/mp
godbolt.org/z/h97qe9feP

[#cpp20] static_assert is almost all you need!
krzysztof-jusiak.github.io/talks/static_a…
github.com/boost-ext/ut2

Run-time optimizations for compile-time reflections @cpponsea krzysztof-jusiak.github.io/talks/cpponsea…

[#cpp] Benchmarking perfect hashing - boost-ext.github.io/mph/perfect_ha…

- if/else
- switch/case
- std::map
- std::unordered_map
- boost::unordered_flat_map
- gperf
- frozen
- mph

There is no silver bullet if it comes to the performance, just trade-offs!

[#cpp] [benchmark] string_to_enum
github.com/boost-ext/mph/…
github.com/boost-ext/mph

[#cpp] [benchmark] enum_to_string
github.com/boost-ext/mph/…
github.com/boost-ext/mph

[#cpp20] [Minimal] perfect hashing (at compile-time)
godbolt.org/z/GE87neaxG
github.com/boost-ext/mph