Life is too short for malloc.

IHFT is microframework & laboratory for low latency applications.

Configuration	Static Runtime	Shared Runtime	ASAN+UBSAN	TSAN
Linux(GCC)
Linux(Clang)
MacOS(Clang)	-

• platform module
  • set cpu for current thread
  • set name for current thread
  • lock memory pages
  • status for isolcpus, nohz_full, rcu_nocbs
  • hyper-threading detector
  • cpu frequency scaling detector
  • swap detector
  • transparent huge pages detector
  • huge page system detector
  • core to core latency example
  • platform sysjitter example
• channel module
  • one 2 one stream pod data queue
  • one 2 one stream moveable object queue
  • one 2 many stream pod data queue
  • one 2 many stream moveable object queue
  • one 2 each stream pod data queue
  • one 2 each stream moveable object queue
  • batch reader for all moveable object queues
  • python latency analysis tool
  • C++20 concepts
  • documentation with latency histograms
• memory module
  • arena allocator
  • stream fixed pool allocator
  • page allocator for 4KB pages
  • huge page allocator for 2MB & 1GB pages
• timer module
  • native cpu_counter
  • native cpu_pause
• types module
  • box: placed object ownership
  • function_ref: non-owning reference to a callable
  • result: function output or error
• misc module
  • simple human-readable TOML config system
  • sigaction based signal handler
• logger module
  • simple client usage
  • non reliable delivery
  • smart serializer for input arguments
  • compile-time formatting pattern check
  • wait-free implementation
  • log pount source file and thread info
  • std::format as formatting backend
  • std::source_location as log point source
  • documentation with pictures
• network module
  • udp demo
  • multicast demo
  • DPDK demo
• engine module
  • logical cpu
  • task assignment
  • configuration verification
  • intelligent component loading
  • documentation with pictures
• CI
  • github workflows CI
  • static binary
  • Clang support with libc++
  • GCC support with libstdc++
  • Catch2 unit tests
  • address sanitizer
  • thread sanitizer
  • ub sanitizer
  • clang format
• DevOps
  • script for system latency optimization

Analytics

Channel

Compiler

Constant

Engine

Memory

Misc

Platform

Types

C++ reference

Compiler Explorer

Compiler Flags and Options

Agner Fog’s instruction tables

Intel Intrinsics Guide

WikiChip CPU information

Intel hardware information

AMD hardware information

OpenOnload is a user-level network stack

DPDK Accelerating Network Performance

TOML config file format

Osnoise tracer

Disable cpu frecuency scaling

Eric Rigtorp Low Latency Tuning

Red Hat Enterprise Linux-7 Low Latency Tuning

Red Hat Enterprise Linux-7 Performance Tuning Guide

Erik Rigtorp personal blog

Martin Thompson mechanical sympathy