40764650af
For stage1 ZIR instructions and stage1 AIR instructions, the instruction op code was taking up 8 bytes due to padding even though it only needed 1 byte. This commit reduces the ref_count field from uint32_t to uint16_t because the code only really cares if instructions are referenced at all, not how many times they are referenced. With the ref_count field reduced to uint16_t the uint8_t op code is now placed in the freed up space. Empirically, this saves 382 MiB of peak RAM usage when building the self-hosted compiler, which is a reduction of 5%. Consequently this resulted in a 3% reduction of cache-misses when building the self-hosted compiler. This was @SpexGuy's idea, committed by me because we tested it on my computer.
A general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
Resources
- Introduction
- Download & Documentation
- Chapter 0 - Getting Started | ZigLearn.org
- Community
- Contributing
- Code of Conduct
- Frequently Asked Questions
- Community Projects
Installation
- download a pre-built binary
- install from a package manager
- build from source
- bootstrap zig for any target
License
The ultimate goal of the Zig project is to serve users. As a first-order effect, this means users of the compiler, helping programmers to write better software. Even more important, however, are the end-users.
Zig is intended to be used to help end-users accomplish their goals. Zig should be used to empower end-users, never to exploit them financially, or to limit their freedom to interact with hardware or software in any way.
However, such problems are best solved with social norms, not with software licenses. Any attempt to complicate the software license of Zig would risk compromising the value Zig provides.
Therefore, Zig is available under the MIT (Expat) License, and comes with a humble request: use it to make software better serve the needs of end-users.
This project redistributes code from other projects, some of which have other licenses besides MIT. Such licenses are generally similar to the MIT license for practical purposes. See the subdirectories and files inside lib/ for more details.