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engine: bytecode VM optimizations #241

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Merged
bpowers merged 17 commits into from
Feb 7, 2026
+2,843 −396
Merged

engine: bytecode VM optimizations #241

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cde70db
engine: replace Vec-based stack with fixed-array stack
bpowers Feb 7, 2026
bc0e2db
engine: group eval state into EvalState struct to reduce argument count
bpowers Feb 7, 2026
d07b4b3
engine: move inline dim arrays to side table, shrink opcode from 12 t…
bpowers Feb 7, 2026
1d3692b
engine: optimize run_to loop and data buffer access
bpowers Feb 7, 2026
fa33f13
engine: add peephole optimizer with superinstructions
bpowers Feb 7, 2026
5d22b3d
engine: add comprehensive tests for bytecode VM optimizations
bpowers Feb 7, 2026
3f52d4c
engine: address review feedback on bytecode VM optimizations
bpowers Feb 7, 2026
b7e3b68
engine: centralize jump handling and derive Copy for Opcode
bpowers Feb 7, 2026
f87dddc
engine: add SAFETY comments and pass Op2 by value
bpowers Feb 7, 2026
ee96a07
engine: document design decisions for reviewability
bpowers Feb 7, 2026
e1414ef
engine: add compile-time stack depth validation
bpowers Feb 7, 2026
f5978c4
engine: use checked_sub in max_stack_depth for stricter validation
bpowers Feb 7, 2026
745286f
engine: add comments for reviewability on safety decisions
bpowers Feb 7, 2026
dd46980
engine: strengthen invariant checking and documentation
bpowers Feb 7, 2026
0b8d791
engine: improve safety comments and import organization
bpowers Feb 7, 2026
27020f9
engine: add test for multi-dimensional subscript stack depth
bpowers Feb 7, 2026
64236ae
build: remove npm-run-all dependency, fix pnpm format
bpowers Feb 7, 2026
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4 changes: 4 additions & 0 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -13,3 +13,7 @@ opt-level = "z"
lto = true
panic = "abort"
strip = true

[profile.bench]
debug = true
strip = false
5 changes: 2 additions & 3 deletions package.json
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Expand Up @@ -12,7 +12,6 @@
"packageManager": "pnpm@10.6.0",
"devDependencies": {
"@playwright/test": "^1.58.1",
"npm-run-all": "^4.1.5",
"prettier": "^3.8.1",
"ts-protoc-gen": "^0.15.0",
"typescript": "^5.9.3"
Expand All @@ -22,8 +21,8 @@
"rust-needs-format": "cargo fmt -- --check",
"js-format": "find src -name '*.ts' -o -name '*.tsx' | egrep -v '/(lib(\\.(browser|module))?|core)/' | xargs prettier --write",
"rust-format": "cargo fmt",
"format": "npm-run-all -p js-format rust-format",
"precommit": "npm-run-all -p js-needs-format rust-needs-format lint",
"format": "cargo fmt && pnpm js-format",
"precommit": "pnpm js-needs-format && pnpm rust-needs-format && pnpm lint",
"install-git-hooks": "cd .git/hooks && rm -f pre-commit && ln -s ../../scripts/pre-commit ./pre-commit",
"lint": "pnpm rust-lint && pnpm -r run lint",
"tsc": "pnpm --filter @simlin/core exec tsc --noEmit && pnpm --filter @simlin/diagram exec tsc --noEmit && pnpm --filter @simlin/server exec tsc --noEmit && pnpm --filter @simlin/app exec tsc --noEmit",
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