zig-utils/zig-js

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A JavaScript engine in pure Zig.

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Perf: predecode VM quickening candidates and cache misses

#70 opened 11 days ago by chris · 1 comment

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Perf: initialize object cells without a full default-template copy

#69 opened 11 days ago by chris · 1 comment

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Perf: add a compact GC slab class for ordinary objects

#68 opened 11 days ago by chris · 1 comment

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Perf: inline number bitwise operators in VM dispatch

#67 opened 11 days ago by chris · 1 comment

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Perf: classify conservative roots through the GC cell slabs

#66 opened 11 days ago by chris · 1 comment

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Perf: cache object-literal shape transitions in bytecode

#65 opened 11 days ago by chris · 1 comment

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Perf: trace precise typed GC edges without broad membership scans

#64 opened 11 days ago by chris · 1 comment

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Perf: collect the nursery at single-mutator JS safepoints

#63 opened 11 days ago by chris · 13 comments

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Bench: add bounded object-allocation churn vs JSC

#62 opened 11 days ago by chris · 37 comments

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Bench: add a polymorphic object-shape JSC workload

#61 opened 11 days ago by chris · 4 comments

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Bench: broaden the JSC matrix beyond specialized kernels

#60 opened 11 days ago by chris · 9 comments

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Perf: beat JSC on cold context creation and source startup

#59 opened 11 days ago by chris · 4 comments

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Bench: keep optimized kernels above the timing floor and preserve call observability

#58 opened 11 days ago by chris · 6 comments

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Perf: quicken monomorphic numeric property update traces

#57 opened 11 days ago by chris · 8 comments

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Perf: add guarded integer specialization to the baseline JIT

#56 opened 11 days ago by chris · 9 comments

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Perf: batch exact JIT accounting across hot CFG successors

#55 opened 11 days ago by chris · 1 comment

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Threads: serialize no-GIL access to embedder allocators

#54 opened 11 days ago by chris · 2 comments

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Dev: keep focused test builds fast and cache-bounded

#53 opened 11 days ago by chris · 1 comment

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Perf: add a baseline native-code tier for hot bytecode functions

#52 opened 11 days ago by chris · 14 comments

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Perf: recycle non-escaping VM call activations

#51 opened 11 days ago by chris · 2 comments

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Perf: add benchmark regression gates and historical evidence

#50 opened 11 days ago by chris · 10 comments

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Perf: remove no-GIL scaling bottlenecks in the comparison workloads

#49 opened 11 days ago by chris · 17 comments

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Perf: beat JSC on recursive and general function-call throughput

#48 opened 11 days ago by chris · 20 comments

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Perf: beat JSC on array allocation, growth, traversal, and GC

#47 opened 11 days ago by chris · 11 comments

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Perf: beat JSC on arithmetic and property-access kernels

#46 opened 11 days ago by chris · 16 comments

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Bench: make zig-js and JSC comparison symmetric and statistically robust

#45 opened 11 days ago by chris · 3 comments

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Perf: outperform JavaScriptCore across the verified benchmark matrix

#44 opened 11 days ago by chris · 14 comments

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Tests: migrate cleanup checkpoints after cleanupSome removal

#43 opened 11 days ago by chris · 2 comments

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Bench: compare zig-js single/no-GIL scaling with JavaScriptCore

#42 opened 11 days ago by chris · 4 comments

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Runtime: serialize async-function resume handoffs

#41 opened 11 days ago by chris · 2 comments