Jens Johansen
0fcf5363b3
This CL updates 3 places where ints are added to a (growable)
`List<int>` just to be (slow) copied to an `Uint32List` or `Uint8List`.
Before:
```
39,419,429,182 instructions:u
39,419,418,402 instructions:u
39,419,444,064 instructions:u
```
With changes to `pkg/analyzer/lib/src/fine/manifest_ast.dart`:
```
39,400,298,496 instructions:u
39,400,111,564 instructions:u
39,400,122,931 instructions:u
```
+ changes to `pkg/analyzer/lib/src/summary2/informative_data.dart`:
```
39,377,663,819 instructions:u
39,377,615,760 instructions:u
39,377,658,088 instructions:u
```
+ changes to `pkg/analyzer/lib/src/summary2/reference.dart`:
```
39,354,886,990 instructions:u
39,354,710,428 instructions:u
39,354,958,987 instructions:u
```
Combined, 10 run benchmarks:
Normal GC:
```
page-faults:u: -0.3153% +/- 0.1113% (-598.70 +/- 211.30) (189905.10 -> 189306.40)
instructions:u: -0.3646% +/- 0.0032% (-208298550.90 +/- 1831771.41) (57125057089.00 -> 56916758538.10)
maxRssKbytes: 0.3099% +/- 0.0124% (1916.40 +/- 76.62) (618475.60 -> 620392.00)
maxRssBytes: 0.3099% +/- 0.0124% (1962393.60 +/- 78455.89) (633319014.40 -> 635281408.00)
Comparing GC data:
MarkSweep( promotion) goes from 15 to 17
MarkSweep( old space) goes from 1 to 0
Notice combined GC time goes from 3528 ms to 3552 ms (notice only 1 run each).
```
Disabled GC:
```
page-faults:u: -0.1178% +/- 0.0170% (-1398.70 +/- 201.62) (1187291.70 -> 1185893.00)
instructions:u: -0.1647% +/- 0.0015% (-64920618.80 +/- 609688.86) (39419968252.50 -> 39355047633.70)
branch-misses:u: 4.6312% +/- 4.5821% (5247477.70 +/- 5191850.50) (113307038.50 -> 118554516.20)
maxRssKbytes: -0.1211% +/- 0.0069% (-5769.20 +/- 331.11) (4765063.60 -> 4759294.40)
maxRssBytes: -0.1211% +/- 0.0069% (-5907660.80 +/- 339060.21) (4879425126.40 -> 4873517465.60)
```
Change-Id: I78d2f61d82a993b8d1d76ab5f13230d8b6507ff4
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/508564
Reviewed-by: Johnni Winther <johnniwinther@google.com>
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