0833b59aab
Each node now has two index: nodeIndex and checkIndex. nodeIndex is the index in both the view definition and the view data. checkIndex is the index in in the update function (update directives and update renderer). While nodeIndex and checkIndex have the same value for now, having both of them will allow changing the structure of view definition after compilation (ie for runtime translations).
47 lines
2.9 KiB
Markdown
47 lines
2.9 KiB
Markdown
# Ng2 Next Benchmark
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This benchmark uses the upcoming view engine for Angular, which moves
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more functionality from codegen into runtime to reduce generated code size.
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As we introduce more runtime code, we need to be very careful to not
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regress in performance, compared to the pure codegen solution.
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## Initial results: size of Deep Tree Benchmark
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File size for Tree benchmark template,
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view class of the component + the 2 embedded view classes (without imports nor host view factory):
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| bytes | ratio | bytes (gzip) | ratio (gzip)
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------------------------------ | ----- | ----- | ------------ | ------------
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Source template + annotation | 245 | 1x | 159 | 1x
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Gen code (Closure minified) | 2693 | 11.9x | 746 | 4.7x
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New View Engine (minified) | 868 | 3.5x | 436 | 2.7x
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## Initial results: performance of Deep Tree Benchmark
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Measured locally on a MacBook Pro.
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BENCHMARK deepTree....
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Description:
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- bundles: false
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- depth: 11
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- forceGc: false
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- regressionSlopeMetric: scriptTime
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- sampleSize: 20
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- userAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.95 Safari/537.36
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...createOnly | gcAmount | gcTime | majorGcTime | pureScriptTime | renderTime | scriptTime
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--------------- | ------------------ | ------------------ | ------------------ | ------------------ | ------------------ | ------------------
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ng2 | 11461.24+-21% | 12.35+-42% | 1.15+-429% | 72.49+-4% | 49.61+-4% | 82.69+-6%
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ng2 next | 6207.77+-93% | 9.84+-84% | 3.35+-238% | 73.95+-4% | 49.86+-4% | 77.53+-10%
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...update | gcAmount | gcTime | majorGcTime | pureScriptTime | renderTime | scriptTime
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--------------- | ------------------ | ------------------ | ------------------ | ------------------ | ------------------ | ------------------
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ng2 | 0.00 | 0.00+-435% | 0.00+-435% | 13.34+-8% | 28.55+-8% | 13.34+-8%
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ng2 next | 175.02+-435% | 0.74+-435% | 0.00+-302% | 20.55+-12% | 28.00+-6% | 20.55+-12%
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...pure cd (10x) | gcAmount | gcTime | majorGcTime | pureScriptTime | renderTime | scriptTime
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--------------- | ------------------ | ------------------ | ------------------ | ------------------ | ------------------ | ------------------
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ng2 | 2155.57+-238% | 0.24+-238% | 0.00+-238% | 19.32+-9% | 2.54+-6% | 19.32+-9%
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ng2 next | 908.12+-366% | 1.62+-325% | 0.49+-435% | 30.66+-6% | 2.62+-19% | 30.66+-6%
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