History

Victor Berchet 0833b59aab refactor(core): add a checkIndex to the compiler view nodes

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).

2017-10-04 14:55:54 -07:00

index.html

feat(core): add initial view engine (#14014 )

2017-01-20 13:10:57 -08:00

index.ts

feat: RendererV2 integration (#14469 )

2017-02-14 21:03:18 -08:00

README.md

refactor(core): add a checkIndex to the compiler view nodes

2017-10-04 14:55:54 -07:00

tree.ts

refactor(core): add a checkIndex to the compiler view nodes

2017-10-04 14:55:54 -07:00

README.md

Ng2 Next Benchmark

This benchmark uses the upcoming view engine for Angular, which moves more functionality from codegen into runtime to reduce generated code size.

As we introduce more runtime code, we need to be very careful to not regress in performance, compared to the pure codegen solution.

Initial results: size of Deep Tree Benchmark

File size for Tree benchmark template, view class of the component + the 2 embedded view classes (without imports nor host view factory):

                           | bytes | ratio | bytes (gzip) | ratio (gzip)

------------------------------ | ----- | ----- | ------------ | ------------ Source template + annotation | 245 | 1x | 159 | 1x Gen code (Closure minified) | 2693 | 11.9x | 746 | 4.7x New View Engine (minified) | 868 | 3.5x | 436 | 2.7x

Initial results: performance of Deep Tree Benchmark

Measured locally on a MacBook Pro.

BENCHMARK deepTree.... Description:

bundles: false
depth: 11
forceGc: false
regressionSlopeMetric: scriptTime
sampleSize: 20
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

...createOnly	gcAmount	gcTime	majorGcTime	pureScriptTime	renderTime	scriptTime
ng2	11461.24+-21%	12.35+-42%	1.15+-429%	72.49+-4%	49.61+-4%	82.69+-6%
ng2 next	6207.77+-93%	9.84+-84%	3.35+-238%	73.95+-4%	49.86+-4%	77.53+-10%

...update	gcAmount	gcTime	majorGcTime	pureScriptTime	renderTime	scriptTime
ng2	0.00	0.00+-435%	0.00+-435%	13.34+-8%	28.55+-8%	13.34+-8%
ng2 next	175.02+-435%	0.74+-435%	0.00+-302%	20.55+-12%	28.00+-6%	20.55+-12%

...pure cd (10x)	gcAmount	gcTime	majorGcTime	pureScriptTime	renderTime	scriptTime
ng2	2155.57+-238%	0.24+-238%	0.00+-238%	19.32+-9%	2.54+-6%	19.32+-9%
ng2 next	908.12+-366%	1.62+-325%	0.49+-435%	30.66+-6%	2.62+-19%	30.66+-6%