ddidderr
062c643ea8
Adds crates/ghostty-bench, a port of ZIG/src/benchmark and src/synthetic: the ghostty-bench binary (terminal-stream, terminal-parser, codepoint-width, grapheme-break, is-symbol, osc-parser, screen-clone with Zig's CLI) and ghostty-synthetic data generators (+ascii, +utf8, +osc, plus a Rust-only +sgr mode). Measured against Ghostty's own ghostty-bench built with Zig 0.15.2 (ReleaseFast) vs --profile production, the hot paths were optimized without behaviour changes: - Terminal::print single-lookup fast path for width-1 chars mid-line - page grapheme allocator: bitmap first-fit instead of a linear scan (was 38% of utf8 stream time; randomized equivalence test added) - plain cells skip per-cell work in clear_cells and row cloning - ASCII fast path + strict hand-written UTF-8 decoder (exhaustive equivalence test against std) - parser/OSC parser split into inlined fast and state-change paths - RenderState allocates grapheme vectors only for grapheme rows - Page::assert_integrity no-op stub so the production profile builds terminal-stream is now at parity (ascii 1.08x, utf8 0.97x, SGR 1.04x of Zig's time). Still slower: screen-clone (~2.6x, zero-filling fresh cell Vecs vs Zig's lazily-zeroed mmap), osc-parser (1.9x), and the raw parser on SGR data (1.5x). Full table in docs/rewrite/notes/perf-P1.md. Test Plan: - cargo test --workspace (no failures) - cargo run --profile production -p ghostty-bench -- +terminal-stream --data=<file> and compare with Zig's ghostty-bench
98 lines
2.5 KiB
TOML
98 lines
2.5 KiB
TOML
[package]
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name = "ghostty-rs"
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version = "0.1.0"
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edition = "2024"
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description = "A Rust rewrite of the Ghostty terminal emulator"
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[[bin]]
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name = "ghostty"
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path = "src/main.rs"
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[dependencies]
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ghostty-core.workspace = true
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ghostty-config.workspace = true
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ghostty-apprt-gtk.workspace = true
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ghostty-apprt.workspace = true
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ghostty-cli.workspace = true
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log = "0.4"
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[lints]
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workspace = true
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[workspace]
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resolver = "3"
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members = [".", "crates/*"]
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[workspace.package]
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version = "0.1.0"
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edition = "2024"
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license = "MIT"
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[workspace.dependencies]
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ghostty-vt = { path = "crates/ghostty-vt" }
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ghostty-unicode = { path = "crates/ghostty-unicode" }
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ghostty-terminal = { path = "crates/ghostty-terminal" }
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ghostty-input = { path = "crates/ghostty-input" }
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ghostty-config = { path = "crates/ghostty-config" }
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ghostty-font = { path = "crates/ghostty-font" }
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ghostty-renderer = { path = "crates/ghostty-renderer" }
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ghostty-termio = { path = "crates/ghostty-termio" }
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ghostty-os = { path = "crates/ghostty-os" }
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ghostty-datastruct = { path = "crates/ghostty-datastruct" }
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ghostty-core = { path = "crates/ghostty-core" }
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ghostty-apprt-gtk = { path = "crates/ghostty-apprt-gtk" }
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ghostty-apprt = { path = "crates/ghostty-apprt" }
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ghostty-cli = { path = "crates/ghostty-cli" }
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ghostty-bench = { path = "crates/ghostty-bench" }
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[workspace.lints.rust]
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unsafe_code = "forbid"
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[workspace.lints.clippy]
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pedantic = { level = "warn", priority = -1 }
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todo = "warn"
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unwrap_used = "warn"
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# Porting a low-level terminal emulator involves a lot of intentional
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# numeric casts and long state-machine functions; these pedantic lints are
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# noise for this codebase.
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cast_possible_truncation = "allow"
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cast_possible_wrap = "allow"
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cast_sign_loss = "allow"
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cast_precision_loss = "allow"
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cast_lossless = "allow"
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module_name_repetitions = "allow"
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too_many_lines = "allow"
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missing_errors_doc = "allow"
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missing_panics_doc = "allow"
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similar_names = "allow"
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struct_excessive_bools = "allow"
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fn_params_excessive_bools = "allow"
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match_same_arms = "allow"
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unreadable_literal = "allow"
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many_single_char_names = "allow"
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doc_markdown = "allow"
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must_use_candidate = "allow"
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return_self_not_must_use = "allow"
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used_underscore_binding = "allow"
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large_stack_arrays = "allow"
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inline_always = "allow"
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[profile.release]
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debug = true
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strip = false
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debug-assertions = true
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overflow-checks = true
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lto = false
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panic = "unwind"
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incremental = true
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[profile.production]
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inherits = "release"
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debug = false
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strip = true
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debug-assertions = false
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overflow-checks = false
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lto = true
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incremental = false
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codegen-units = 1
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