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release: 0.2.8
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Ships the self-guard expansion, and corrects what the benchmark tables claim.
Measured with wafer, gforth and SwiftForth all native on x86-64 -- the macOS
sf64 build runs under Rosetta 2 and flatters us -- Fibonacci is 1.16x rather
than 0.83x, so sf64 still wins it and wafer takes the other four. README and
OPTIMIZATIONS now carry both tables.
This commit is contained in:
Oleksandr Kozachuk
2026-08-10 12:48:33 +02:00
parent e963e636d3
commit 4f96f8860a
8 changed files with 68 additions and 24 deletions
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CLAUDE.md
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## What is WAFER?
WAFER (WebAssembly Forth Engine in Rust) is an optimizing Forth 2012 compiler targeting WebAssembly. Currently a working Forth system with 200+ words, JIT compilation, 12 word sets at 100% compliance, and a full optimization pipeline (peephole, constant folding, inlining, strength reduction, DCE, tail calls, per-region stack-to-local promotion with DO/BEGIN loop and IF support, self-recursive direct calls, a typed calling convention for words with a known stack effect, self-guard expansion for recursive words, consolidation). Beats gforth on all benchmarks in release mode (3-20x), and SwiftForth `sf64` on all five. Includes a browser-based REPL via wasm-pack.
WAFER (WebAssembly Forth Engine in Rust) is an optimizing Forth 2012 compiler targeting WebAssembly. Currently a working Forth system with 200+ words, JIT compilation, 12 word sets at 100% compliance, and a full optimization pipeline (peephole, constant folding, inlining, strength reduction, DCE, tail calls, per-region stack-to-local promotion with DO/BEGIN loop and IF support, self-recursive direct calls, a typed calling convention for words with a known stack effect, self-guard expansion for recursive words, consolidation). Beats gforth on every benchmark, and SwiftForth `sf64` on four of five (measured native-vs-native on x86-64; the macOS sf64 build is x86-64 under Rosetta and flatters WAFER). Includes a browser-based REPL via wasm-pack.
## Architecture