BenchmarksTimings (ms)Create 1kLLui22.0 msSolid21.9 msSvelte22.1 msvanilla21.2 msReact26.7 msElm37.1 msReplace 1kLLui23.2 msSolid23.5 msSvelte24.2 msvanilla22.1 msReact32.2 msElm36.8 msUpdate 10thLLui12.1 msSolid11.8 msSvelte12.0 msvanilla11.8 msReact16.7 msElm23.8 msSelectLLui3.1 msSolid3.6 msSvelte4.8 msvanilla8.5 msReact5.6 msElm15.2 msSwapLLui8.6 msSolid14.2 msSvelte14.1 msvanilla13.0 msReact106.5 msElm24.4 msRemoveLLui10.3 msSolid11.8 msSvelte13.6 msvanilla10.1 msReact14.5 msElm30.1 msCreate 10kLLui217.4 msSolid214.7 msSvelte216.2 msvanilla201.6 msReact420.4 msElm583.0 msAppend 1kLLui24.7 msSolid24.5 msSvelte24.6 msvanilla24.0 msReact31.4 msElm32.7 msClearLLui11.2 msSolid11.8 msSvelte11.0 msvanilla8.9 msReact19.1 msElm15.1 msMemory (MB)ReadyLLui0.6 MBSolid0.6 MBSvelte0.7 MBvanilla0.6 MBReact1.2 MBElm0.7 MBRun 1kLLui3.2 MBSolid2.6 MBSvelte2.9 MBvanilla1.8 MBReact4.4 MBElm3.6 MBClearLLui1.1 MBSolid0.7 MBSvelte1.0 MBvanilla0.6 MBReact2.0 MBElm1.0 MBBundle Size (KB)UncompressedLLui24.9 KBSolid11.5 KBSvelte34.3 KBvanilla11.3 KBReact190.3 KBElm31.7 KBGzippedLLui8.2 KBSolid4.5 KBSvelte12.2 KBvanilla2.5 KBReact51.4 KBElm10.4 KBRaw Data & MethodologyResults from js-framework-benchmark (krausest). All frameworks measured under identical conditions. Timings (ms) Raw data Operation LLui Solid Svelte vanilla React Elm Create 1k 22.0 ms 21.9 ms 22.1 ms 21.2 ms 26.7 ms 37.1 ms Replace 1k 23.2 ms 23.5 ms 24.2 ms 22.1 ms 32.2 ms 36.8 ms Update 10th 12.1 ms 11.8 ms 12.0 ms 11.8 ms 16.7 ms 23.8 ms Select 3.1 ms 3.6 ms 4.8 ms 8.5 ms 5.6 ms 15.2 ms Swap 8.6 ms 14.2 ms 14.1 ms 13.0 ms 106.5 ms 24.4 ms Remove 10.3 ms 11.8 ms 13.6 ms 10.1 ms 14.5 ms 30.1 ms Create 10k 217.4 ms 214.7 ms 216.2 ms 201.6 ms 420.4 ms 583.0 ms Append 1k 24.7 ms 24.5 ms 24.6 ms 24.0 ms 31.4 ms 32.7 ms Clear 11.2 ms 11.8 ms 11.0 ms 8.9 ms 19.1 ms 15.1 ms Relative to LLui Operation vs Solid vs Svelte vs vanilla vs React vs Elm Create 1k = = -4% +21% +69% Replace 1k +1% +4% -5% +39% +59% Update 10th -2% = -2% +38% +97% Select +16% +55% +174% +81% +390% Swap +65% +64% +51% +1138% +184% Remove +15% +32% -2% +41% +192% Create 10k -1% = -7% +93% +168% Append 1k = = -3% +27% +32% Clear +5% -2% -21% +71% +35% Positive = peer is slower than LLui. Bold = LLui wins by >3%. Memory (MB) Raw data Operation LLui Solid Svelte vanilla React Elm Ready 0.6 MB 0.6 MB 0.7 MB 0.6 MB 1.2 MB 0.7 MB Run 1k 3.2 MB 2.6 MB 2.9 MB 1.8 MB 4.4 MB 3.6 MB Clear 1.1 MB 0.7 MB 1.0 MB 0.6 MB 2.0 MB 1.0 MB Bundle Size (KB) Raw data Operation LLui Solid Svelte vanilla React Elm Uncompressed 24.9 KB 11.5 KB 34.3 KB 11.3 KB 190.3 KB 31.7 KB Gzipped 8.2 KB 4.5 KB 12.2 KB 2.5 KB 51.4 KB 10.4 KB Methodology Tool: js-framework-benchmark by Stefan Krause Browser: Chrome (headful), CPU throttling 4x Iterations: 15 per benchmark, median reported Machine: MacBook Pro M5 Max, 128 GB RAM LLui version: Latest from opt branch with all compiler optimizations enabled Data source: benchmarks/jfb-baseline.json — raw JSON Numbers fluctuate ±5% between runs. Differences <5% should be considered noise.