This gives moderate speed improvements when hashing small keys. The crc/adler/fnv inlining did not provide enough speed up to warrant the change. OLD: wyhash small keys: 2277 MiB/s [c14617a1e3800000] siphash(1,3) small keys: 937 MiB/s [b2919222ed400000] siphash(2,4) small keys: 722 MiB/s [3c3d974cc2800000] fnv1a small keys: 1580 MiB/s [70155e1cb7000000] adler32 small keys: 1898 MiB/s [00013883ef800000] crc32-slicing-by-8 small keys: 2323 MiB/s [0035bf3dcac00000] crc32-half-byte-lookup small keys: 218 MiB/s [0035bf3dcac00000] NEW: wyhash small keys: 2775 MiB/s [c14617a1e3800000] siphash(1,3) small keys: 1086 MiB/s [b2919222ed400000] siphash(2,4) small keys: 789 MiB/s [3c3d974cc2800000] fnv1a small keys: 1604 MiB/s [70155e1cb7000000] adler32 small keys: 1856 MiB/s [00013883ef800000] crc32-slicing-by-8 small keys: 2336 MiB/s [0035bf3dcac00000] crc32-half-byte-lookup small keys: 218 MiB/s [0035bf3dcac00000]
A general-purpose programming language designed for robustness, optimality, and maintainability.
Resources
- Introduction
- Download & Documentation
- Community
- Contributing
- Frequently Asked Questions
- Community Projects
Building from Source
Note that you can download a binary of master branch.
Stage 1: Build Zig from C++ Source Code
Dependencies
POSIX
- cmake >= 2.8.5
- gcc >= 5.0.0 or clang >= 3.6.0
- LLVM, Clang, LLD development libraries == 8.x, compiled with the same gcc or clang version above
- Use the system package manager, or build from source.
Windows
- cmake >= 2.8.5
- Microsoft Visual Studio 2017 (version 15.8)
- LLVM, Clang, LLD development libraries == 8.x, compiled with the same MSVC version above
- Use the pre-built binaries or build from source.
Instructions
POSIX
mkdir build
cd build
cmake ..
make install
MacOS
brew install cmake llvm@8
brew outdated llvm@8 || brew upgrade llvm@8
mkdir build
cd build
cmake .. -DCMAKE_PREFIX_PATH=/usr/local/Cellar/llvm/8.0.0_1
make install
Windows
See https://github.com/ziglang/zig/wiki/Building-Zig-on-Windows
Stage 2: Build Self-Hosted Zig from Zig Source Code
Note: Stage 2 compiler is not complete. Beta users of Zig should use the Stage 1 compiler for now.
Dependencies are the same as Stage 1, except now you can use stage 1 to compile Zig code.
bin/zig build --prefix $(pwd)/stage2
This produces ./stage2/bin/zig which can be used for testing and development.
Once it is feature complete, it will be used to build stage 3 - the final compiler
binary.
Stage 3: Rebuild Self-Hosted Zig Using the Self-Hosted Compiler
Note: Stage 2 compiler is not yet able to build Stage 3. Building Stage 3 is not yet supported.
Once the self-hosted compiler can build itself, this will be the actual compiler binary that we will install to the system. Until then, users should use stage 1.
Debug / Development Build
./stage2/bin/zig build --prefix $(pwd)/stage3
Release / Install Build
./stage2/bin/zig build install -Drelease