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bpowers / simlin Public

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engine: bytecode VM optimizations#241

Merged

bpowers merged 17 commits intomainbpowers/simlin:mainfrom

bobby/bytecode-improvementsbpowers/simlin:bobby/bytecode-improvementsCopy head branch name to clipboard

Feb 7, 2026

Conversation Commits17 (17)Checks Files changed

Merged

engine: bytecode VM optimizations#241
bpowers merged 17 commits intomainfrom
bobby/bytecode-improvements

Commits

Commits on Feb 7, 2026

engine: replace Vec-based stack with fixed-array stack
bpowers
committed
engine: group eval state into EvalState struct to reduce argument count
bpowers
committed
engine: move inline dim arrays to side table, shrink opcode from 12 to 8 bytes
bpowers
committed
engine: optimize run_to loop and data buffer access
bpowers
committed
engine: add peephole optimizer with superinstructions
bpowers
committed
engine: add comprehensive tests for bytecode VM optimizations
bpowers
committed
engine: address review feedback on bytecode VM optimizations
bpowers
committed
engine: centralize jump handling and derive Copy for Opcode
bpowers
committed
engine: add SAFETY comments and pass Op2 by value
bpowers
committed
engine: document design decisions for reviewability
bpowers
committed
engine: add compile-time stack depth validation
bpowers
committed
engine: use checked_sub in max_stack_depth for stricter validation
bpowers
committed
engine: add comments for reviewability on safety decisions
bpowers
committed
engine: strengthen invariant checking and documentation
bpowers
committed
engine: improve safety comments and import organization
bpowers
committed
engine: add test for multi-dimensional subscript stack depth
bpowers
committed
build: remove npm-run-all dependency, fix pnpm format
bpowers
committed

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