Alexander Markov 6b3d1752fa [vm] More efficient 'await' of not Future and completed _Future ... When awaiting a value which is not a Future or a completed built-in _Future, 'await' implementation can bypass heavyweight _Future/_FutureListener machinery and schedule micro-tasks directly. Benchmarks: JIT, x64: AsyncLiveVars.* +46-54% (bigger is better) Calls.AwaitAsyncCall -46% (less is better) Calls.AwaitAsyncCallInstanceTargetPolymorphic -46% Calls.AwaitAsyncCallClosureTargetPolymorphic -45% Calls.AwaitFutureOrCallInstanceTargetPolymorphicManyAwaits -45% Calls.AwaitFutureOrCall -60% Calls.AwaitFutureOrCallInstanceTargetPolymorphic -60% Calls.AwaitFutureOrCallClosureTargetPolymorphic -59% JIT, ia32: AsyncLiveVars.* +43-52% (bigger is better) Calls.AwaitAsyncCall -42% (less is better) Calls.AwaitAsyncCallInstanceTargetPolymorphic -42% Calls.AwaitAsyncCallClosureTargetPolymorphic -41% Calls.AwaitFutureOrCallInstanceTargetPolymorphicManyAwaits -39% Calls.AwaitFutureOrCall -55% Calls.AwaitFutureOrCallInstanceTargetPolymorphic -54% Calls.AwaitFutureOrCallClosureTargetPolymorphic -53% JIT, arm: AsyncLiveVars.* +64-71% (bigger is better) Calls.AwaitAsyncCallInstanceTargetPolymorphic -51% (less is better) Calls.AwaitAsyncCallClosureTargetPolymorphic -47% Calls.AwaitFutureOrCallInstanceTargetPolymorphicManyAwaits -48% Calls.AwaitFutureOrCall -64% Calls.AwaitFutureOrCallInstanceTargetPolymorphic -64% Calls.AwaitFutureOrCallClosureTargetPolymorphic -59% JIT, arm64: AsyncLiveVars.* +65-78% (bigger is better) Calls.AwaitAsyncCall -51% (less is better) Calls.AwaitAsyncCallInstanceTargetPolymorphic -51% Calls.AwaitAsyncCallClosureTargetPolymorphic -50% Calls.AwaitFutureOrCallInstanceTargetPolymorphicManyAwaits -49% Calls.AwaitFutureOrCall -69% Calls.AwaitFutureOrCallInstanceTargetPolymorphic -68% Calls.AwaitFutureOrCallClosureTargetPolymorphic -67% AOT, x64: AsyncLiveVars.* +55-61% (bigger is better) Calls.AwaitAsyncCall -47% (less is better) Calls.AwaitAsyncCallInstanceTargetPolymorphic -46% Calls.AwaitAsyncCallClosureTargetPolymorphic -47% Calls.AwaitFutureOrCallInstanceTargetPolymorphicManyAwaits -46% Calls.AwaitFutureOrCall -59% Calls.AwaitFutureOrCallInstanceTargetPolymorphic -59% Calls.AwaitFutureOrCallClosureTargetPolymorphic -58% AOT, arm: AsyncLiveVars.* 54-66% (bigger is better) Calls.AwaitAsyncCall -46-51% (less is better) Calls.AwaitAsyncCallInstanceTargetPolymorphic -46-50% Calls.AwaitAsyncCallClosureTargetPolymorphic -46-52% Calls.AwaitFutureOrCallInstanceTargetPolymorphicManyAwaits -45-50% Calls.AwaitFutureOrCall -63-68% Calls.AwaitFutureOrCallInstanceTargetPolymorphic -63-66% Calls.AwaitFutureOrCallClosureTargetPolymorphic -63-67% AOT, arm64: AsyncLiveVars.* +53-66% (bigger is better) Calls.AwaitAsyncCall -50-51% (less is better) Calls.AwaitAsyncCallInstanceTargetPolymorphic -50% Calls.AwaitAsyncCallClosureTargetPolymorphic -50-51% Calls.AwaitFutureOrCallInstanceTargetPolymorphicManyAwaits -49-50% Calls.AwaitFutureOrCall -66-68% Calls.AwaitFutureOrCallInstanceTargetPolymorphic -66-68% Calls.AwaitFutureOrCallClosureTargetPolymorphic -63-67% TEST=ci Issue: https://github.com/dart-lang/sdk/issues/48378 Change-Id: I65e3702fcd816ee3fee876ff442b9887c035b1ec Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/243102 Reviewed-by: Lasse Nielsen <lrn@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>		2022-06-10 14:38:28 +00:00
..
bin	Replace Uri.scheme == with Uri.isScheme	2022-02-08 21:38:57 +00:00
lib	Revert "Refactor _Future."	2022-06-09 16:51:55 +00:00
tests	[vm] More efficient 'await' of not Future and completed _Future	2022-06-10 14:38:28 +00:00
tool	Change references to "dartfmt" in runtime and tools to "dart format".	2021-10-01 18:16:27 +00:00
web	[vm] Make naming more consistent when converting between handles, tagged and untagged pointers.	2021-01-15 23:32:02 +00:00
.gitignore
analysis_options.yaml	[SDK] Removes non-exiting tests from .status	2021-02-04 06:46:13 +00:00
BUILD.gn	Replace a bunch of references to .packages	2021-10-12 20:16:15 +00:00
HACKING.md
observatory_sources.gni	[ Observatory ] Remove footer with dead / irrelevant links	2021-10-11 23:30:24 +00:00
pubspec.yaml	[Observatory] Switch to Dart 2.12 and remove redundant experiment	2020-12-30 02:26:25 +00:00
update_sources.py	[infra] Migrate scripts to python3	2021-04-15 10:10:20 +00:00